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3.4.8 Peripheral I/O registers
Table 3-4: List of Peripheral I/O Registers (Sheet 1 of 10)
Address
Function Register Name
FFFFF000H
Port AL
FFFFF000H Port ALL
FFFFF001H Port ALH
FFFFF002H
Port AH
FFFFF002H Port AHL
FFFFF003H Port AHH
FFFFF004H
Port DL
FFFFF004H Port DLL
FFFFF005H Port DLH
FFFFF008H
Port CS
FFFFF00AH
Port CT
FFFFF00CH
Port CM
FFFFF020H
Port AL mode register
FFFFF020H Port AL mode register L
FFFFF021H Port AL mode register H
FFFFF022H
Port AH mode register
FFFFF022H Port AH mode register L
FFFFF023H Port AH mode register H
FFFFF024H
Port DL mode register
FFFFF024H Port DL mode register L
FFFFF025H Port DL mode register H
FFFFF028H
Port CS mode register
FFFFF02AH
Port CT mode register
FFFFF02CH
Port CM mode register
FFFFF040H
Port AL mode control register
FFFFF040H Port AL mode control register L
FFFFF041H Port AL mode control register H
FFFFF042H
Port AH mode control register
FFFFF042H Port AH mode control register L
FFFFF043H Port AH mode control register H
FFFFF044H
Port DL mode control register
FFFFF044H Port DL mode control register L
FFFFF045H Port DL mode control register H
FFFFF048H
Port CS mode control register
FFFFF04AH
Port CT mode control register
FFFFF04CH
Port CM mode control register
FFFFF060H
Chip area select control register 0
FFFFF062H
Chip area select control register 1
FFFFF064H
Peripheral area select control register BPC
FFFFF066H
Bus size configuration register
FFFFF068H
Endian configuration register
Chapter 3 CPU Function
Preliminary User's Manual U14913EE1V0UM00
Symbol
R/W
Bit Units for Manipulation
1 bit
PAL
R/W
PALL
R/W
PALH
R/W
PAH
R/W
PAHL
R/W
PAHH
R/W
PDL
R/W
PDLL
R/W
PDLH
R/W
PCS
R/W
PCT
R/W
PCM
R/W
PMAL
R/W
PMALL
R/W
PMALH
R/W
PMAH
R/W
PMAHL
R/W
PMAHH
R/W
PMDL
R/W
PMDLL
R/W
PMDLH
R/W
PMCS
R/W
PMCT
R/W
PMCM
R/W
PMCAL
R/W
PMCALL
R/W
PMCALH
R/W
PMCAH
R/W
PMCAHL
R/W
PMCAHH
R/W
PMCDL
R/W
PMCDLL
R/W
PMCDLH
R/W
PMCCS
R/W
PMCCT
R/W
PMCCM
R/W
CSC0
R/W
CSC1
R/W
R/W
BSC
R/W
BEC
R/W
Initial Value
8 bits
16 bits
×
Undefined
×
×
Undefined
×
×
Undefined
×
Undefined
×
×
Undefined
×
×
Undefined
×
Undefined
×
×
Undefined
×
×
Undefined
×
×
Undefined
×
×
Undefined
×
×
Undefined
×
FFFFH
×
×
FFH
×
×
FFH
×
FFFFH
×
×
FFH
×
×
FFH
×
FFFFH
×
×
FFH
×
×
FFH
×
×
FFH
×
×
FFH
×
×
FFH
×
0000H
×
×
00H
×
×
00H
×
0000H
×
×
00H
×
×
00H
×
0000H
×
×
00H
×
×
00H
×
×
00H
×
×
00H
×
×
00H
×
2C11H
×
2C11H
×
0FFFH
×
5555H
×
0000H
71
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