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KX-TG7331BX//KX-TGA731BX
12 Miscellaneous
12.1. CPU Data (Base Unit)
12.1.1. IC7 (BBIC)
Pin No.
Description
1
VSS_LNA1
2
RF_RXp
3
RF_RXn
4
VSS_LNA2
5
RFP1
6
RFP0
7
REF_RES
8
AVS_XTAL
9
XTAL2
10
XTAL1
11
AVD_XTAL
12
RF_SUPPLY1
13
VDD1
14
SPI2_EN/P4_0
15
SPI2_CLK/P4_1
16
SPI2_DO/P4_2
17
SPI2_DI/P4_3
18
P4_4
19
LDO_CTRL
20
AVD
21
LSRn
22
LSRp
23
VREFm
24
MICh
25
CIDOUT/MICn
26
CIDINn/MICp
27
CIDINp/VREFp
28
PULSE_CTRL
29
RINGn/P3_6
30
RINGOUT/RINGING/
P3_5
31
PARADET/P3_4
32
ADC0/P3_3
33
ADC1/INT0/P1_0
34
NTC/ADC2
35
SOCp
36
SOCn
37
CHARGE_CTRL
38
P1_7/CHARGE
39
DP1/PAOUTp/P3_1
40
VDDPA
41
DP0/PAOUTn/P3_0
42
VBAT1
43
P4_5
44
P4_6
45
P4_7
46
VBAT2
47
CP_C1x
48
CP_C2x
49
CP_C1y
50
VBAT3
51
CP_C2y
52
CP_VOUT1/LED1
53
CP_VOUT2/LED2
54
PON/P1_6
55
VDD2
56
P2_7/BXTAL
57
P1_5/INT5/RDI/VDDE
58
P1_4/INT4/TDOD
I/O
-
GND
A.I
RF_RXp
A.I
RF_RXn
-
GND
D.O
RXON
D.O
ANT1
A.O
REF_RES
-
GND
A.I
XTAL2
A.I
XTAL1
-
AVD_XTAL
-
RF_SUPPLY1
-
VDD1
D.O
TAM_EN
D.O
SPI2_CLK
D.O
SPI2_DO
D.I
SPI2_DI
D.O
LED1
A.O
LDO_CTRL
-
AVD
A.O
LSRn
A.O
LSRp
-
GND
A.I
MICh
A.O
CIDOUT
A.I
CIDINn
A.I
CIDINp
D.O
N.C.
D.O
HOOK
A.I
RINGING
A.I
PARADET
A.I
ADC0
A.I
ADC1
-
GND
-
GND
-
GND
A.O
N.C.
A.I
CHARGE
D.O
DP1(N.C.)
-
GND
D.O
DP0(N.C.)
-
VBAT1
D.O
LED2
D.O
N.C.
D.O
N.C.
-
VBAT2
A.I/O
N.C.
A.I/O
CP_C2x
A.I/O
N.C.
-
VBAT3
A.I/O
CP_C2y
A.O
CP_VOUT1
A.O
CP_VOUT2
D.I
CHARGE_DET
-
+1.8V
D.O
CLK
D.I
ROW0
D.I
ROW1
Connection
at Normal mode
-
A.I
A.I
-
O_0/1
O_0/1
A.O
-
A.I
A.I
-
-
-
O_0/1
O_0/1
O_0/1
I_0/1
O_0/1
A.O
-
A.O
A.O
-
A.I
A.O
A.I
A.I
O_0/1
O_0/1
A.I
A.I
A.I
A.I
-
-
-
A.O
A.I
D.O
-
D.O
-
O_0/1
O_0/1
O_0/1
-
A.I/O
A.I/O
A.I/O
-
A.I/O
A.O
A.O
I_0/1
-
O_0/1
I_0/1
I_0/1
68
at Reset mode
-
A.I
A.I
-
Hi-Z
Hi-Z
A.O
-
A.I
A.I
-
-
-
I-PU
I-PU
I-PU
I-PU
I-PU
O-1
-
A.O
A.O
-
A.I
A.I
A.I
A.I
A.I
A.I
A.I
A.I
A.I
I-PU
A.I
A.I
A.I
O-0
I-PD
O-0
-
O-0
-
I-PU
I-PU
I-PU
-
A.I
A.I
A.I
-
A.I
A.I
A.I
I-PD
-
I-PU
O-1
I-PD
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Troubleshooting
