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ST72521 Datasheet(PDF) 52 Page - STMicroelectronics

Part # ST72521
Description  8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
PDF  211 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72521 Datasheet(HTML) 52 Page - STMicroelectronics

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I/O PORTS (Cont’d)
Table 12. I/O Port Register Map and Reset Values
Address
(Hex.)
Register
Label
7654
3210
Reset Value
of all I/O port registers
00
0
0
0000
0000h
PADR
MSB
LSB
0001h
PADDR
0002h
PAOR
0003h
PBDR
MSB
LSB
0004h
PBDDR
0005h
PBOR
0006h
PCDR
MSB
LSB
0007h
PCDDR
0008h
PCOR
0009h
PDDR
MSB
LSB
000Ah
PDDDR
000Bh
PDOR
000Ch
PEDR
MSB
LSB
000Dh
PEDDR
000Eh
PEOR
000Fh
PFDR
MSB
LSB
0010h
PFDDR
0011h
PFOR
0012h
PGDR
MSB
LSB
0013h
PGDDR
0014h
PGOR
0015h
PHDR
MSB
LSB
0016h
PHDDR
0017h
PHOR



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