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Epson 0C88832 Technical Manual
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Epson 0C88832 Technical Manual

Epson 0C88832 Technical Manual

Cmos 8-bit single chip microcomputer
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MF1215-01
CMOS 8-BIT SINGLE CHIP MICROCOMPUTER
E0C88832/88862 T
M
ECHNICAL
ANUAL
E0C88832/88862 Technical Hardware

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Summary of Contents for Epson 0C88832

  • Page 1 MF1215-01 CMOS 8-BIT SINGLE CHIP MICROCOMPUTER E0C88832/88862 T ECHNICAL ANUAL E0C88832/88862 Technical Hardware...
  • Page 2 Seiko Epson. Seiko Epson reserves the right to make changes to this material without notice. Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its application or use in any product or circuit and, further, there is no representation that this material is applicable to products requiring high level reliability, such as medical products.

  • Page 3: Table Of Contents

    5.3.7 Control of oscillation circuit and operating mode ..............31 5.3.8 Programming notes ......................... 32 Input Ports (K ports) ......................33 5.4.1 Configuration of input ports ....................33 5.4.2 Mask option ..........................33 5.4.3 Interrupt function and input comparison register ..............34 EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 4 5.10.11 Programming notes ......................88 5.11 LCD Controller .........................89 5.11.1 Configuration of LCD controller ..................89 5.11.2 Mask option ........................... 89 5.11.3 LCD power supply ......................... 90 5.11.4 LCD driver ..........................90 5.11.5 Display memory ........................93 EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 5 AC Characteristics ......................128 Oscillation Characteristics ....................134 Characteristics Curves (reference value) ................135 PACKAGE ......................142 Plastic Package ........................142 Ceramic Package ......................144 PAD LAYOUT ....................145 Diagram of Pad Layout ....................145 Pad Coordinates ......................147 PRECAUTIONS ON MOUNTING ..............149 EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 7: Introduction

    Table 1.1.1 Configuration Model Internal ROM Output port LCD segment E0C88832 32K bytes 5 bits 1,632 (Max.) E0C88862 60K bytes 4 bits 1,312 (Max.) *1: Maximum number of drive segments when the 32 common is selected. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 8: Features

    0.3 µA (Typ./normal mode) Con- SLEEP 1.5 µA (Typ./normal mode) sumed HALT (32.768 kHz) 9 µA (Typ./normal mode) current In operation (32.768 kHz) 1.1 mA (Typ./normal mode) In operation (4 MHz) Supply form QFP8-128pin, QFP15-128pin or chip EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 9: Block Diagram

    R27 (TOUT) Sound Generator R50 (BZ) R51 (BZ *) Power Generator ∗ Selectable by mask option –V Output Port CA–CG SEG0–SEG40 Supply Voltage Detector LCD Driver COM16–COM31 (SEG66–SEG51) COM0–COM15 1.5KB 60KB Fig. 1.3.2 E0C88862 block diagram EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 10: Pin Layout Diagram

    COM29/SEG53 P13/SRDY SEG22 COM28/SEG54 P12/SCLK SEG23 COM27/SEG55 P11/SOUT SEG24 COM26/SEG56 P10/SIN SEG25 COM25/SEG57 R26/TOUT SEG26 COM24/SEG58 R27/TOUT SEG27 COM23/SEG59 R34/FOUT SEG28 COM22/SEG60 R50/BZ SEG29 COM21/SEG61 R51/BZ SEG30 COM20/SEG62 N.C.: No Connection Fig. 1.4.1 E0C88832 pin layout EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 11 LCD segment output terminals SEG0–SEG50 RESET Initial reset input terminal ∗1 TEST Test input terminal ∗1 TEST is the terminal used for shipping inspection of the IC. For normal operation be sure it is connected to V EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 12 SEG19 COM23/SEG59 P11/SOUT SEG20 COM22/SEG60 P10/SIN SEG21 COM21/SEG61 R26/TOUT SEG22 COM20/SEG62 R27/TOUT SEG23 COM19/SEG63 R50/BZ SEG24 COM18/SEG64 OSC3 R51/BZ SEG25 COM17/SEG65 OSC4 N.C. SEG26 COM16/SEG66 N.C. N.C. SEG27 N.C.: No Connection Fig. 1.4.2 E0C88862 pin layout EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 13 LCD segment output terminals Initial reset input terminal RESET ∗1 TEST Test input terminal ∗1 TEST is the terminal used for shipping inspection of the IC. For normal operation be sure it is connected to V EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 14: Mask Option

    This mask option can select whether the pull-up resistor for the input port terminal is used or not. It is possible to select for each bit of the input ports. Refer to Section 5.4, "Input Ports (K ports)", for details. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 15 • P14 ....1. With Resistor 2. Gate Direct • P15 ....1. With Resistor 2. Gate Direct • P16 ....1. With Resistor 2. Gate Direct • P17 ....1. With Resistor 2. Gate Direct EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 16 5. Internal TYPE D (V Standard, 1/4 Bias, 4.5 V) 9 R51 OUTPUT PORT SPECIFICATION 1. With BZ (Use) 2. Without BZ (Not Use) 10 R26 OUTPUT PORT SPECIFICATION 1. With TOUT (Use) 2. Without TOUT (Not Use) EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 17: Power Supply

    Internal circuit Oscillation system OSC1 OSC1, OSC2 voltage regulator oscillation circuit LCD system E0C88832 power supply circuit COM0~COM15 –V COM16~COM31/SEG66~SEG51 LCD driver SEG0~SEG50 Regulator Booster/reducer COM0~COM15 COM16~COM31/SEG66~SEG51 SEG0~SEG40 E0C88862 Fig. 2.2.1 Configuration of power supply circuit EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 18: Heavy Load Protection Mode

    BZON protection mode BZSHT Fig. 2.3.1 Configuration of heavy load protection mode control circuit For details of the OSC3 oscillation circuit and buzzer output, see "5.3 Oscillation Circuits and Operating Mode" and "5.12 Sound Generator", respectively. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 19: Cpu And Memory Configuration

    Furthermore, from address 000026H to address 0000FFH, software interrupt vectors are assignable to any two bytes which begin with an even address. Table 3.3.1 lists the vector addresses and the exception processing factors to which they correspond. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 20: Cc (Customized Condition Flag)

    Consequently, when returning to the main routine from exception processing routines, please use the RETE instruction. See the "E0C88 Core CPU Manual" for information on CPU operations when an exception processing factor is generated. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 21: Initial Reset

    LOW level for two seconds (when the oscillation frequency f = 32.768 kHz) or more to perform OSC1 the initial reset by means of this function. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 22: Supply Voltage Detection (Svd) Circuit

    First SVD sampling time * Dummy cycle Reset exception processing ∗ When the initial reset by the SVD circuit with the mask option has been used, this cycle is inserted as the waiting time. Fig. 4.1.4.1 Initial reset sequence EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 23: Initial Settings After Initial Reset

    If necessary, the initialization should be done using software. For initial value at initial reset, see the sections on the I/O memory map and peripheral circuit descriptions in the following chapter of this Manual. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 24: Peripheral Circuits And Their Operation

    *1 When 1/8 duty has been selected by mask option, setting of this register becomes invalid. Note) When debugging using the E0C88 Family debugging tools ICE88R (ICE88) and PRC88348, all the interrupts including NMI are disabled until values are written to addresses "00FF00H" and "00FF01H". EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 25 *1 After initial reset, this status is set "1" until conclusion of hardware first sampling. *2 Initial values are set according to the supply voltage detected at first sampling by hardware. Until conclusion of first sampling, SVD0–SVD3 data are undefined. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 26 Source clock / 16 Source clock / 4 Source clock / 1 CONT0 Timer 0 continuous/one-shot mode selection Continuous One-shot PSET0 Timer 0 preset – Preset No operation "0" when being read PRUN0 Timer 0 Run/Stop control Stop EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 27 Timer 1 counter data D5 PTD14 Timer 1 counter data D4 High PTD13 Timer 1 counter data D3 PTD12 Timer 1 counter data D2 PTD11 Timer 1 counter data D1 PTD10 Timer 1 counter data D0 (LSB) EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 28 31.25 msec ENRTM Envelope attenuation time 1 sec 0.5 sec ENRST Envelope reset – Reset No operation "0" when being read ENON Envelope On/Off control BZON Buzzer output control *1 Reset to "0" during one-shot output. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 29 No operation Overrun error flag Error No error Reset (0) No operation RXTRG Receive trigger/status Stop Trigger No operation RXEN Receive enable Enable Disable TXTRG Transmit trigger/status Stop Trigger No operation TXEN Transmit enable Enable Disable EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 30 K04D K04 input port data – High level Low level K03D K03 input port data – input input K02D K02 input port data – K01D K01 input port data – K00D K00 input port data – EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 31 General-purpose register Reserved register HZR35 General-purpose register HZR34 R34 high impedance control Hi-Z Output HZR33 General-purpose register HZR32 General-purpose register Reserved register HZR31 General-purpose register HZR30 General-purpose register *1 This address is unavailable in the E0C88862. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 32 – – – – – – – R51D R51 output port data High R50D R50 output port data *1 "0" when TOUT output is selected by mask option. *2 This address is unavailable in the E0C88862. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 33: Watchdog Timer

    E0C88862. FOUT0 OSC3 OSC3 OSC3 FOUTON FOUT output control WDRST Watchdog timer reset – Reset No operation Constantly "0" when TMRST Clock timer reset – Reset No operation being read TMRUN Clock timer Run/Stop control Stop EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 34: Oscillation Circuits And Operating Mode

    (4) Crystal oscillation circuit (gate capacitor built-in) crystal oscillation, ceramic oscillation, CR oscilla- tion or external clock input can be selected with the Fig. 5.3.3.1 OSC1 oscillation circuit mask option, in the same way as OSC1. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 35: Osc3 Oscillation Circuit

    Fig. 5.3.4.1 OSC3 oscillation circuit status, as this will cause faulty operation. You can not use two modes, the low power mode and the high speed mode on one application, with respect to the operating voltages. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 36: Switching The Cpu Clocks

    CPU clock STOP Standby Status * The return destination from the standby status becomes the program execution status prior to shifting to the standby status Fig. 5.3.6.1 Status transition diagram for the operation mode and clock changeover EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 37: Control Of Oscillation Circuit And Operating Mode

    OSCC is to be set to "1". At all other times, it should be set to "0" in order to reduce current consumption. At initial reset, OSCC is set to "0" (OSC3 oscillation OFF). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 38: Programming Notes

    Chapter 7, "ELECTRICAL CHARACTERIS- TICS".) (5) When switching the clock from OSC3 to OSC1, be sure to switch OSC3 oscillation OFF with separate instructions. Using a single instruction to process simultaneously can cause a malfunc- tion of the CPU. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 39: Input Ports (K Ports)

    LSIs. In this case, take care that a floating state does not occur in input. For unused input ports, select the default setting of "With resistor". EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 40: Interrupt Function And Input Comparison Register

    KCP10 flag FK1 Address Address Interrupt selection register SIK10 Interrupt priority Interrupt enable Interrupt level judgement register EK1 request Address circuit Address Interrupt priority register PK10, PK11 Address Fig. 5.4.3.1 Configuration of input interrupt circuit EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 41 Because interrupt has been prohibited for K00, interrupt will be generated when non-conformity occurs between the contents of the three bits K01–K03 and the three bits input comparison register KCP01–KCP03. Fig. 5.4.3.2 Interrupt generation example in K0L (K00–K03) EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 42: Control Of Input Ports

    Constantly "0" when – – – – being read – – – – – – – – – – – – – "1" when being read K10D K10 input port data – High level Low level EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 43 "0" prohibits it. Changes of state in an input terminal in which interrupt is prohibited, will not influence interrupt generation. At initial reset, this register is set to "0" (interrupt prohibited). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 44: Programming Note

    K00–K03, EK0H to K04–K07, and EK1 to K10. : Terminal capacitance Max. value Interrupt is permitted in those series of terminals set to "1" and prohibited in those set to "0". At initial reset, this register is set to "0" (interrupt prohibited). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 45: Output Ports (R Ports)

    (TOUT signal inverted output) and the R51 R34* FOUT output (software selection) port can be set as the BZ output port (buzzer signal BZ output (software selection) inverted output). BZ output (mask option) ∗ R34 (FOUT) is available only in the E0C88832. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 46 (The oscillation start time will vary somewhat depending on the oscillator and on the externally attached parts. Refer to the oscillation start time example indicated in Chapter 7, "ELECTRICAL CHARACTERISTICS".) At initial reset, OSC3 oscillation circuit is set to OFF state. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 47 R50D. The data register R51D does not affect the BZ output. The BZ (BZ) signal is generated by the sound generator. With respect to control of frequency and envelope, see "5.12 Sound Generator". EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 48: Control Of Output Ports

    – – – – – – – R51D R51 output port data High R50D R50 output port data *1 "0" when TOUT output is selected by mask option. *2 These addresses are unavailable in the E0C88862. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 49 31.25 msec ENRTM Envelope attenuation time 1 sec 0.5 sec ENRST Envelope reset – Reset No operation "0" when being read ENON Envelope On/Off control BZON Buzzer output control *1 Reset to "0" during one-shot output. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 50 OSC3 OSC1 oscillation frequency OSC1 OSC3 oscillation frequency OSC3 At initial reset, this register is set to "0" (f /1). OSC1 ∗ In the E0C88862, FOUT0, FOUT1 and FOUT2 are general purpose registers with read/write capabilities. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 51: Programming Notes

    By writing "1" into BZSTP, the one-shot buzzer output can be stopped prior to the elapsing of the time set with SHTPW. Writing "0" is invalid and writing "1" except during one-shot output is also invalid. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 52: I/O Ports (P Ports)

    P15 .... With resistor Gate direct At initial reset, I/O control registers are set to "0" P16 .... With resistor Gate direct (I/O ports are set to input mode). P17 .... With resistor Gate direct EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 53: Control Of I/O Ports

    (C + load capacitance on the purpose registers with read/write capabilities board) x 1.6 [sec] which do not affect I/O activities of the terminals. : Pull up resistance Max. value : Terminal capacitance Max. value EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 54: Serial Interface

    Start bit READY output SRDY(P13) detection circuit control circuit Clock control circuit OSC3 OSC3 oscillation circuit SCLK(P12) Programmable timer 1 underflow signal Fig. 5.7.1.1 Configuration of serial interface EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 55: Mask Option

    Figure 5.7.3.1(c) shows the connection example of and clock synchronous 8-bit serial transfers can be input/output terminals in the asynchronous mode. performed with this serial interface as the master. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 56: Clock Source

    0 (1/1) 0 (1/1) 2,400 0 (1/1) 0 (1/1) 0 (1/1) 1,200 0 (1/1) 0 (1/1) 0 (1/1) 0 (1/1) 0 (1/1) 0 (1/1) 1 (1/4) 1 (1/4) 1 (1/4) 1 (1/4) 1 (1/4) 1 (1/4) EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 57: Transmit-Receive Control

    If gives the timing for each mode. there is subsequent data to be transmitted it can be When you do not receive, set RXEN to "0" to disable sent using this interrupt. receiving status. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 58: Operation Of Clock Synchronous Transfer

    "0" must be written to both the transmit enable register TXEN and the receive enable register RXEN. Fix these two registers to a disable status until data transfer actually begins. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 59 (6) Repeat steps (3) to (5) for the number of bytes of transmitting data, and then set the transmit disable status by writing "0" to the transmit enable register TXEN, when the transmitting is completed. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 60 (6) Repeat steps (3) to (5) for the number of bytes of receiving data, and then set the receive disable status by writing "0" to the receive enable register RXEN, when the receiving is com- pleted. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 61 SOUT D0 D1 D2 D3 D4 D5 D6 D7 TRXD 1st data SRDY SRDY Interrupt Interrupt (b) Transmit timing for slave mode (d) Receive timing for slave mode Fig. 5.7.6.4 Timing chart (clock synchronous system transmission) EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 62: Operation Of Asynchronous Transfer

    SCS0 and SCS1. (See Table 5.7.4.1.) Since all the registers mentioned in (2)–(5) are assigned to the same address, it's possible to set them all with one instruction. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 63 (5) Repeat steps (3) to (4) for the number of bytes of transmitting data, and then set the transmit disable status by writing "0" to the transmit enable register TXEN, when the transmitting is completed. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 64 (6) Repeat steps (3) to (5) for the number of bytes of receiving data, and then set the receive disable status by writing "0" to the receive enable register RXEN, when the receiving is completed. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 65 However, even when it does not become a framing error with the following data receipt, such data cannot be assured. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 66: Interrupt Function

    "5.14 Interrupt and controlled by generation of this interrupt factor. Standby Status". The exception processing vector address for this Figure 5.7.8.1 shows the configuration of the serial interrupt factor is set at 000014H. interface interrupt circuit. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 67 Also, the interrupt factor flag is set to "1" when a error). parity error or framing error is generated. The exception processing vector address for this The exception processing vector address for this interrupt factor is set at 000010H. interrupt factor is set at 000012H. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 68: Control Of Serial Interface

    PSIF0 PSIF1 Serial interface interrupt priority register PSW1 PSW0 Priority PSIF0 PTM1 PTM0 level Level 3 PSW1 Stopwatch timer interrupt priority register Level 2 PSW0 Level 1 Level 0 PTM1 Clock timer interrupt priority register PTM0 EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 69 "0" is written, neither checking is done nor is a parity bit added. Parity is valid only in asynchronous mode and the EPR setting becomes invalid in the clock synchro- nous mode. At initial reset, EPR is set to "0" (non parity). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 70 RXTRG is set to "1", it indicates receiving operation and when set to "0", it indicates that receiving has stopped. At initial reset, RXTRG is set to "0" (during stop). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 71 "1" to RXTRG in the asynchronous mode. OER is reset to "0" by writing "1". At initial reset and when RXEN is "0", OER is set to "0" (no error). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 72: Programming Notes

    Refer to the oscillation start time example At initial reset, this flag is reset to "0". indicated in Chapter 7, "ELECTRICAL CHAR- ACTERISTICS".) At initial reset, the OSC3 oscillation circuit is set to OFF status. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 73: Clock Timer

    Figure 5.8.2.2 shows the timing chart for the clock timer. Data bus Clock timer TMD0–TMD7 OSC1 256 Hz OSC1 oscillation Divider circuit Clock timer reset TMRST Interrupt Interrupt control circuit Clock timer Run/Stop request TMRUN Fig. 5.8.1.1 Configuration of clock timer EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 74 32 Hz TMD3 16 Hz TMD4 8 Hz TMD5 4 Hz TMD6 2 Hz TMD7 1 Hz 32 Hz interrupt 8 Hz interrupt 2 Hz interrupt 1 Hz interrupt Fig. 5.8.2.2 Timing chart of clock timer EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 75: Control Of Clock Timer

    Clock timer 32 Hz interrupt factor flag generated generated FTM8 Clock timer 8 Hz interrupt factor flag FTM2 Clock timer 2 Hz interrupt factor flag Reset No operation FTM1 Clock timer 1 Hz interrupt factor flag EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 76 RETE instruction) and interrupt factor flag reset are level which can be set by this register. necessary. The interrupt factor flag is reset to "0" by writing "1". At initial reset, this flag is reset to "0". EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 77: Programming Notes

    RUN status (TMRUN = "1"). The clock timer operation will become unstable when returning from SLEEP status. Therefore, when shifting to SLEEP status, set the clock timer to STOP status (TMRUN = "0") prior to executing the SLP instruction. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 78: Stopwatch Timer

    Approximate 10 Hz signal Count value Count clock (256 Hz) Count time (sec) 1/100 sec counter count-up pattern 2 Approximate 10 Hz signal Count value Count clock (256 Hz) Count time Fig. 5.9.2.1 (sec) Count-up pattern of stopwatch timer EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 79: Interrupt Function

    1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 SWD0 1/100 sec SWD1 counter SWD2 BCD data SWD3 100 Hz interrupt 10 Hz interrupt SWD4 1/10 sec SWD5 counter SWD6 Fig. 5.9.3.2 BCD data Stopwatch timer SWD7 timing chart 1 Hz interrupt EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 80: Control Of Stopwatch Timer

    Clock timer 32 Hz interrupt factor flag generated generated FTM8 Clock timer 8 Hz interrupt factor flag FTM2 Clock timer 2 Hz interrupt factor flag Reset No operation FTM1 Clock timer 1 Hz interrupt factor flag EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 81 RETE instruction) and interrupt factor flag reset are necessary. The interrupt factor flag is reset to "0" by writing "1". At initial reset, this flag is reset to "0". EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 82: Programming Notes

    = "1"). The stopwatch timer operation will become unstable when returning from SLEEP status. Therefore, when shifting to SLEEP status, set the clock timer to STOP status (SWRUN = "0") prior to executing the SLP instruction. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 83: Programmable Timer

    Clock Underflow ∗ Prescaler 8-bit down counter controller Available when selected signal PTOUT CHSEL by mask option Prescaler setting PSC10 Data buffer MODE16 PSC11 PTD10–PTD17 8/16-bit mode setting Serial interface Fig. 5.10.1.1 Configuration of programmable timer EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 84 Input clock Continuous 03H 02H 01H 00H A6H A5H A4H mode Count data One-shot 03H 02H 01H 00H mode Underflow When "A6H" is set into reload data register RLD. Fig. 5.10.2.2 Continuous mode and one-shot mode EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 85: Setting Of Input Clock

    OSC3 See "5.10.2 Count operation and basic mode setting" oscillation ON, prior to using the programmable for basic operation and control, and "5.10.3 Setting timer. input clock" for the clock source and setting of the prescaler. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 86: Event Counter Mode

    HIGH level width is measured. The timing is shown in Figure 5.10.6.1. FCSEL PRUN0 Prescaler output clock PLPOL EVIN input (K10) Input clock to timer Count data n-7 n-8 Fig. 5.10.6.1 Timing chart for pulse width measurement timer mode EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 87: Interrupt Function

    FPT1 Address Interrupt enable register EPT1 Address Interrupt priority Interrupt level judgement request Timer 0 underflow circuit Interrupt factor flag FPT0 Address Interrupt enable register EPT0 Address Fig. 5.10.7.1 Configuration of programmable timer interrupt circuit EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 88: Transmission Rate Setting Of Serial Interface

    0 (1/1) 0 (1/1) 2,400 0 (1/1) 0 (1/1) 0 (1/1) 1,200 0 (1/1) 0 (1/1) 0 (1/1) 0 (1/1) 0 (1/1) 0 (1/1) 1 (1/4) 1 (1/4) 1 (1/4) 1 (1/4) 1 (1/4) 1 (1/4) EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 89: Control Of Programmable Timer

    Timer 0 reload data D5 RLD04 Timer 0 reload data D4 High RLD03 Timer 0 reload data D3 RLD02 Timer 0 reload data D2 RLD01 Timer 0 reload data D1 RLD00 Timer 0 reload data D0 (LSB) EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 90 FK0H K04–K07 interrupt factor flag generated generated FK0L K00–K03 interrupt factor flag FSERR Serial I/F (error) interrupt factor flag FSREC Serial I/F (receiving) interrupt factor flag Reset No operation FSTRA Serial I/F (transmitting) interrupt factor flag EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 91 PSC00 and PSC01 becomes invalid. In the same way, the PSC10 and PSC11 setting becomes invalid when 16-bit mode has been selected. At initial reset, this register is set to "0" (input clock/1). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 92 1 by PSET1. mode). When the 16-bit mode is selected, writing "1" to PSET1 is invalid. This bit is exclusively for writing, it always be- comes "0" during reading. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 93 The TOUT signal can be output from R26 only factor flag will be set to "1" by the occurrence of an when the function is selected by mask option. interrupt generation condition. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 94: Programming Notes

    (3) Since the TOUT signal is generated asynchro- nously from the register PTOUT, when the signal is turned ON or OFF by the register setting, a hazard of a 1/2 cycle or less is gener- ated. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 95: Lcd Controller

    E0C88832 reducer COM0~COM15 COM16~COM31/SEG66~SEG51 SEG0~SEG50 COM0~COM15 COM16~COM31/SEG66~SEG51 SEG0~SEG40 Display memory DSPAR E0C88862 (b) V standard Note: V standard can be selected only for 1/4 bias drive. Fig. 5.11.1.1 Configuration of LCD controller and drive power supply EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 96: Lcd Power Supply

    1/32 & 1/16 duty E0C88832 1/16 COM0–COM15 SEG0–SEG66 1,072 dots × 1/8 duty COM0–COM7 536 dots 1/32 COM0–COM31 SEG0–SEG40 1,312 dots 1/32 & 1/16 duty E0C88862 1/16 COM0–COM15 SEG0–SEG40 912 dots × 1/8 duty COM0–COM7 SEG51–SEG66 456 dots EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 97 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) 32 Hz – – – – COM0 COM0 COM1 COM2 SEG0 SEG1 COM0–SEG0 (GND) (GND) COM0–SEG1 Fig. 5.11.4.1 Drive waveform for 1/32 duty EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 98 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) 32 Hz – – – – COM0 COM0 COM1 COM2 SEG0 SEG1 COM0–SEG0 (GND) (GND) COM0–SEG1 Fig. 5.11.4.2 Drive waveform for 1/16 duty EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 99: Display Memory

    5 × 5 dots can be selected in order to easily display area, this area is not released to external memory. 5 × 5-dot font characters on the LCD panel. Access to this area is always via display memory. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 100 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) Fig. 5.11.5.1 1/32 duty and 5 × 8 dots display memory map ∗ In the E0C88862, no memory is allocated to the area from 00Fx29H to 00Fx32H (x = 8–BH). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 101 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) Fig. 5.11.5.2 1/32 duty and 5 × 5 dots display memory map ∗ In the E0C88862, no memory is allocated to the area from 00Fx29H to 00Fx32H (x = 8–DH). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 102 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) Fig. 5.11.5.3 1/16 duty and 5 × 8 dots display memory map ∗ In the E0C88862, no memory is allocated to the area from 00Fx29H to 00Fx32H (x = 8–BH). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 103 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) Fig. 5.11.5.4 1/16 duty and 5 × 5 dots display memory map ∗ In the E0C88862, no memory is allocated to the area from 00Fx29H to 00Fx32H (x = 8–DH). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 104 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) Fig. 5.11.5.5 1/8 duty and 5 × 8 dots display memory map ∗ In the E0C88862, no memory is allocated to the area from 00Fx29H to 00Fx32H (x = 8, AH). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 105 5 PERIPHERAL CIRCUITS AND THEIR OPERATION (LCD Controller) Fig. 5.11.5.6 1/8 duty and 5 × 5 dots display memory map ∗ In the E0C88862, no memory is allocated to the area from 00Fx29H to 00Fx32H (x = 8, 9, BH, CH). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 106: Display Control

    (2) Since all dots off is dynamic drive, you can brink the entire LCD display without changing Note: Fixing the LCD contrast is not recommended. display memory data. A contrast adjustment function should be included in the software. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 107: Control Of Lcd Controller

    1/16 or 1/8 duty is selected. At initial reset, LDUTY is set to "0" (1/32 duty). When "0" is written to DSPAR, display area 0 is selected and when "1" is written, display area 1 is selected. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 108: Programming Note

    Notes: • If external power supply has been selected by the mask option, the contrast adjustment register LC0–LC3 is ineffective. • Fixing the LCD contrast is not recommended. A contrast adjustment function should be included in the software. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 109: Sound Generator

    R50 output Register BZON R51 output Register R51D Mask option Fig. 5.12.2.1 Configuration of R50 and R51 BZON/BZSHT BZ output (R50) BZ output (R51) * ∗ when selected by mask option Fig. 5.12.2.2 Buzzer output waveform EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 110: Setting Of Buzzer Frequency And Sound Level

    Level 4 Level 4 Level 5 Level 5 Level 6 Level 6 Level 7 Level 7 Level 8 (MIN) Level 8 (MIN) (a) BZ signal (b) BZ signal Fig. 5.12.3.1 Duty ratio of buzzer signal waveform EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 111: Digital Envelope

    BZ output (R51) * be immediately stopped (goes OFF in ∗ when selected by mask option asynchonization with 256 Hz signal) by writing "1" to the one-shot forced stop bit BZSTP. Fig. 5.12.5.1 Timing chart of one-shot output EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 112: Control Of Sound Generator

    The BZ signal can be output from R51 only when the above 8 types that have divided the OSC1 clock. the function is selected by mask option. At initial reset, this register is set at "0" (4096.0 Hz). EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 113 ENON is set to "0" (OFF). The one-shot buzzer output duration width is set to 125 msec when "1" is written to SHTPW and 62.5 msec, when "0" is written. At initial reset, SHTPW is set to "0" (31.25 msec). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 114: Programming Notes

    When "1" is written to BZSHT and BZSTP simulta- neously, BZSTP takes precedence and one-shot output becomes stop status. Since BZSTP is for writing only, during readout it is constantly set to "0". EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 115: Supply Voltage Detection (Svd) Circuit

    Internal initial reset circuit Mask option SVD3 4-bit A/D SVD2 converter Reference voltage SVD1 generation circuit SVD0 2,048 Hz OSC1 Sampling Dividing SVDON OSC1 oscillation control circuit SVDSP circuit circuit 1/4 Hz Fig. 5.13.1.1 Configuration of SVD circuit EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 116 2,048 Hz SVDON(W) SVDON(R) Latch SVD0–SVD3 Sampling (7.8 msec) Fig. 5.13.2.1 Timing chart of continuous sampling 1 Hz SVDSP(W) SVDON(R) SVD0–SVD3 Sampling (7.8 msec) Standby status 4 sec Fig. 5.13.2.2 Timing chart of 1/4 Hz auto-sampling EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 117: Control Of Svd Circuit

    *1 After initial reset, this status is set "1" until conclusion of hardware first sampling. *2 Initial values are set according to the supply voltage detected at first sampling by hardware. Until conclusion of first sampling, SVD0–SVD3 data are undefined. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 118: Programming Notes

    SVD circuit is operating, the stop operation of the OSC1 oscillation circuit is kept waiting until the sampling is completed. The two bits of SVDON and SVDSP are automatically reset to "0" by hardware while waiting for completion of sampling. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 119: Interrupt And Standby Status

    10 Hz timer ESW10 PSW0 FSW1 1 Hz PSW1 ESW1 FTM32 32 Hz ETM32 FTM8 8 Hz ETM8 Clock timer FTM2 2 Hz PTM0 ETM2 PTM1 FTM1 1 Hz ETM1 Fig. 5.14.1 Configuration of interrupt circuit EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 120: Interrupt Generation Conditions

    Rising edge of the clock timer 8 Hz signal FTM8 (00FF24 D2) Rising edge of the clock timer 2 Hz signal FTM2 (00FF24 D1) Rising edge of the clock timer 1 Hz signal FTM1 (00FF24 D0) EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 121: Interrupt Enable Register

    PK10, PK11 (00FF21 D0, D1) K00–K07 input interrupt PK00, PK01 (00FF20 D6, D7) Serial interface interrupt PSIF0, PSIF1 (00FF20 D4, D5) Stopwatch timer interrupt PSW0, PSW1 (00FF20 D2, D3) Clock timer interrupt PTM0, PTM1 (00FF20 D0, D1) EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 122: Exception Processing Vectors

    Consequently, to branch from multiple banks to a common exception process- ing routine, the top portion of an exception processing routine must be described within the common area (000000H–007FFFH). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 123: Control Of Interrupt

    FSREC Serial I/F (receiving) interrupt factor flag Reset No operation FSTRA Serial I/F (transmitting) interrupt factor flag Refer to the explanations on the respective peripheral circuits for the setting content and control method for each bit. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 124: Programming Notes

    (000000H–007FFFH). (4) Do not execute the SLP instruction for 2 msec after a NMI interrupt has occurred (when f OSC1 is 32.768 kHz). EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 125: Notes For Low Current Consumption

    OSC3 oscillation OFF (OSCC = "0") Operating mode VDC0, VDC1 Normal mode (VDC0 = VDC1 = "0") LCD controller LCDC0, LCDC1 Drive OFF (LCDC0 = LCDC1 = "0") SVD circuit SVDON, SVDSP OFF status (SVDON = SVDSP = "0") EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 126: Basic External Wiring Diagram

    ∗1 OSC1 = Crystal oscillation, ∗2 OSC1 = CR oscillation, ∗3 OSC3 = Crystal/Ceramic oscillation, ∗4 OSC3 = CR oscillation Note: The above table is simply an example. Refer to Chapter 7, "ELECTRICAL CHARACTERISTICS", for detailed characteristics. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 127 ∗1 OSC1 = Crystal oscillation, ∗2 OSC1 = CR oscillation, ∗3 OSC3 = Crystal/Ceramic oscillation, ∗4 OSC3 = CR oscillation Note: The above table is simply an example. Refer to Chapter 7, "ELECTRICAL CHARACTERISTICS", for detailed characteristics. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 128: Electrical Characteristics

    When LCD drive power is not used, the capacitor is not necessary. In this case, leave the V to V and CA to CG terminals open. When LCD drive power is used by 1/4 bias, the C and C capacitors are not necessary. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 129: Dc Characteristics

    Segment/Common output current SEGxx, COMxx, V -0.1 V SEGH SEGH µA SEGxx, COMxx, V = 0.1 V SEGL SEGL Note) 1 When external clock is selected by mask option. When pull-up resistor is added by mask option. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 130: Analog Circuit Characteristics

    5.80 LCX = CH 5.94 LCX = DH 6.09 LCX = EH 6.23 LCX = FH 6.38 Note) 1 Fixing the LCD contrast is not recommended. A contrast adjustment function should be included in the software. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 131 4.72 LCX = CH 4.80 LCX = DH 4.88 LCX = EH 4.95 LCX = FH 5.07 Note) 1 Fixing the LCD contrast is not recommended. A contrast adjustment function should be included in the software. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 132 SVD (Level 13) SVD (Level 14) SVD (Level 15) Note) 1 Low power operating mode only Low power operating mode or Normal operating mode only Normal operating mode only Normal operating mode or High speed operating mode only EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 133: Power Current Consumption

    The value in x V can be found by the following expression: I SVDN = x V) = (x × 30) - 30 (Max. value) SVDN When OSC1 CR oscillation circuit is selected by the mask option. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 134: Ac Characteristics

    400.0 µS Instruction execution time 1-cycle instruction 66.7 µS High speed mode 2-cycle instruction 133.3 µS (during operation with OSC3 clock) 3-cycle instruction 200.0 µS 4-cycle instruction 266.7 µS 5-cycle instruction 333.3 µS 6-cycle instruction 400.0 EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 135 = 0 V, Ta = -40 to 85°C, V = 0.8V = 0.2V = 0.8V = 0.2V Item Symbol Min. Typ. Max. Unit Note µS Transmitting data output delay time µS Receiving data input set-up time µS Receiving data input hold time EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 136 When a HIGH level is detected, the start bit detection circuit is reset and goes into a wait status until the next start bit. (Time as far as AC is excluded.) SCLK OUT SOUT SCLK IN SOUT Start bit Stop bit Sampling clock Erroneous start bit detection signal EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 137: Input Clock

    = 1.0 V, V = 0.3 V Item Symbol Min. Typ. Max. Unit Note µS OSC1 input clock time Cycle time µS "H" pulse width µS "L" pulse width Input clock rising time Input clock falling time OSC1 OSC3 EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 138 "L" pulse width 32 / f OSC1 µS EVIN input clock time Cycle time evcy µS (Without noise rejector) "H" pulse width µS "L" pulse width Input clock rising time Input clock falling time sccy SCLK evcy EVIN EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 139 Stabilization time is the time from switching on the operating mode until operating mode is stabilized. For example, when turning the OSC3 oscillation circuit on, stabilization time is needed after the operating mode is switched on. EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 140: Oscillation Characteristics

    4.0 MHz crystal oscillator Oscillation start time (High speed mode) 8.0 MHz crystal oscillator CA-301 4MHz / CA-301 8MHz Made by Seiko Epson corporation Note) 1 The crystal oscillation start time changes by the crystal oscillator to be used, C...

  • Page 141: Characteristics Curves (Reference Value)

    High level output current-voltage characteristic Ta = 85°C Max. value –V = 1.8 V = 2.4 V = 3.5 V Low level output current-voltage characteristic Ta = 85°C Min. value = 3.5 V = 2.4 V = 1.8 V EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 142 TYPE B (LCx = FH) TYPE A (LCx = FH) TYPE C (LCx = FH) TYPE D (LCx = FH) TYPE B (LCx = 0H) TYPE D (LCx = 0H) TYPE A (LCx = 0H) TYPE C (LCx = 0H) EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 143 7 ELECTRICAL CHARACTERISTICS LCD drive voltage-load characteristic Ta = 25°C, Typ. value, LCX = 8H TYPEB TYPEA TYPEC TYPED [µA] SVD voltage-ambient temperature characteristic Typ. value 1.05V 1.04V 1.03V 1.02V 1.01V 0.99V 0.98V 0.97 0.96V 0.95V Ta [°C] EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 144 Power current (CPU is in operating) <OSC3 CR oscillation> Ta = 25°C 5000 4500 4000 3500 3000 2500 High speed operating mode (MAX) 2000 1500 High speed operating mode (TYP) 1000 Normal mode (MAX) Normal mode (TYP) 1000 [kΩ] EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 145 Normal operating mode Low power operating mode Ta [°C] Power current-ambient temperature characteristic (CPU is under 32.768 kHz operation) Typ. value 25.0 20.0 15.0 High speed operating mode Normal operating mode 10.0 Low power operating mode Ta [°C] EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 146 ≥ 15 k Ω .) product. (The resistance value should be set to R • Oscillation frequency resistor characteristic (OSC1) Ta = 25°C, Typ. value 1,000 2,000 5,000 [kΩ] • Oscillation frequency temperature characteristic (OSC1) = 800 kΩ Ta [°C] EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 147 Ta = 25°C, Typ. value 10,000 High speed operating mode 1,000 Normal operating mode [kΩ] • Oscillation frequency temperature characteristic (OSC3) = 20 kΩ 10,000 5,000 High speed operating mode 2,000 Normal operating mode 1,000 Ta [°C] EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 148: Package

    8 PACKAGE 8 PACKAGE 8.1 Plastic Package QFP8-128pin (Unit: mm) ±0.4 31.2 ±0.1 INDEX ±0.1 0.35 ±0.05 0.15 0° 10° ±0.2 EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 149 8 PACKAGE QFP15-128pin (Unit: mm) ±0.4 ±0.1 INDEX +0.1 0.16 –0.05 +0.05 0.125 –0.025 0° 10° ±0.2 EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 150: Ceramic Package

    8 PACKAGE 8.2 Ceramic Package QFP8-128pin (Unit: mm) ±0.4 ±0.28 INDEX 0.35 ±0.2 EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 151: Pad Layout

    9 PAD LAYOUT 9 PAD LAYOUT 9.1 Diagram of Pad Layout E0C88832 Die No. (0, 0) 5.07 mm Chip thickness: 0.4 mm 95 µm Pad opening: EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 152 9 PAD LAYOUT E0C88862 (0, 0) Die No. 5.85 mm Chip thickness: 0.4 mm 100 µm Pad opening: EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 153: Pad Coordinates

    1,760 -2,370 COM22/SEG60 2,400 1,865 -1,888 2,370 R34/FOUT -2,400 -1,866 SEG29 1,892 -2,370 COM21/SEG61 2,400 1,996 -2,019 2,370 R50/BZ -2,400 -1,998 SEG30 2,400 -2,137 COM20/SEG62 2,400 2,128 -2,151 2,370 R51/BZ -2,400 -2,129 SEG31 2,400 -2,005 – EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 154 R27/TOUT -2,809 -1,815 SEG26 2,214 -2,458 COM18/SEG64 2,809 1,791 -1,901 2,458 R50/BZ -2,809 -1,947 SEG27 2,345 -2,458 COM17/SEG65 2,809 1,923 OSC3 -2,050 2,458 R51/BZ -2,809 -2,078 – COM16/SEG66 2,809 2,054 OSC4 -2,181 2,458 – – – EPSON E0C88832/88862 TECHNICAL MANUAL...

  • Page 155: Precautions On Mounting

    Do not connect anything to the V –V OSC1 (OSC3) and V , please keep enough CA–CG terminals when the LCD driver is not distance between OSC1 (OSC3) and V used. other signals on the board pattern. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 156 (2) The inspection process of the product needs an environment that shields the IC from visible radiation. (3) As well as the face of the IC, shield the back and side too. EPSON E0C88832/88862 TECHNICAL MANUAL...
  • Page 157 Phone: +1-815-455-7630 Fax: +1-815-455-7633 Telex: 65542 EPSCO HX Northeast - TAIWAN - 301 Edgewater Place, Suite 120 EPSON TAIWAN TECHNOLOGY & TRADING LTD. Wakefield, MA 01880, U.S.A. 10F, No. 287, Nanking East Road, Sec. 3 Phone: +1-781-246-3600 Fax: +1-781-246-5443 Taipei, TAIWAN...
  • Page 158 In pursuit of “Saving” Technology, Epson electronic devices. Our lineup of semiconductors, liquid crystal displays and quartz devices assists in creating the products of our customers’ dreams. Epson IS energy savings.
  • Page 159 ELECTRONIC DEVICES MARKETING DIVISION EPSON Electronic Devices Website http://www.epson.co.jp/device/ Issue JANUARY 2000, Printed in Japan...

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