ST72T331 STMICROELECTRONICS [STMicroelectronics], ST72T331 Datasheet - Page 12

• Manufacturer Part Number: ST72T331
• Description: 8-BIT MCU WITH 8 TO 16K OTP/EPROM, 256 EEPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST72E331 ST72T331
Table 4. Hardware Register Memory Map
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12
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
000Ah
000Bh
000Ch
000Dh
000Eh
000Fh
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h to
001Fh
0020h
0021h
0022h
0023h
0024h to
0029h
002Ah
002Bh
002Ch
002Dh to
0030h
Address
Port A
Port C
Port B
Port E
Port D
Port F
SPI
WDG
EEPROM
Block
PADR
PADDR
PAOR
PCDR
PCDDR
PCOR
PBDR
PBDDR
PBOR
PEDR
PEDDR
PEOR
PDDR
PDDDR
PDOR
PFDR
PFDDR
PFOR
MISCR
SPIDR
SPICR
SPISR
WDGCR
WDGSR
EEPCR
Register
Label
Data Register
Data Direction Register
Option Register
Data Register
Data Direction Register
Option Register
Data Register
Data Direction Register
Option Register
Data Register
Data Direction Register
Option Register
Data Register
Data Direction Register
Option Register
Data Register
Data Direction Register
Option Register
Miscellaneous Register
SPI Data I/O Register
SPI Control Register
SPI Status Register
Watchdog Control Register
Watchdog Status Register
EEPROM Control Register
Reserved Area (9 bytes)
Reserved Area (6 bytes)
Reserved Area (4 bytes)
Reserved Area (1 byte)
Reserved Area (1 byte)
Reserved Area (1 byte)
Reserved Area (1 byte)
Reserved Area (1 byte)
Register Name
Status
Reset
0Ch
7Fh
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
28h
00h
00h
00h
00h
xxh
xxh
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Read Only
R/W
R/W
R/W Register
Remarks
3)
1)
1)
1)
1)
1)