ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 52

• Manufacturer Part Number: ST72521
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST72521
I/O PORTS (Cont’d)
Table 12. I/O Port Register Map and Reset Values
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Address
of all I/O port registers
(Hex.)
000Ch
000Dh
000Ah
000Bh
000Eh
000Fh
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
Reset Value
PADR
PADDR
PAOR
PBDR
PBDDR
PBOR
PCDR
PCDDR
PCOR
PDDR
PDDDR
PDOR
PEDR
PEDDR
PEOR
PFDR
PFDDR
PFOR
PGDR
PGDDR
PGOR
PHDR
PHDDR
PHOR
Register
Label
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
7
0
6
0
5
0
4
0
3
0
2
0
1
0
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
0
0