ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 15
ST72521
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]
Datasheet
1.ST72521.pdf
(211 pages)
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Manufacturer:
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Table 2. Hardware Register Map
Address
000Ah
000Bh
000Ch
000Dh
000Eh
001Ah
001Bh
001Ch
001Dh
001Eh
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
000Fh
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
0018h
0019h
001Fh
0020h
0021h
0022h
0023h
Port G
Port H
Port C
Port D
Block
Port A
Port B
Port E
Port F
SPI
I
2
C
2)
2)
PADR
PADDR
PAOR
PBDR
PBDDR
PBOR
PCDR
PCDDR
PCOR
PDDR
PDDDR
PDOR
PEDR
PEDDR
PEOR
PFDR
PFDDR
PFOR
PGDR
PGDDR
PGOR
PHDR
PHDDR
PHOR
I2CCR
I2CSR1
I2CSR2
I2CCCR
I2COAR1
I2COAR2
I2CDR
SPIDR
SPICR
SPICSR
Register
Label
Port A Data Register
Port A Data Direction Register
Port A Option Register
Port B Data Register
Port B Data Direction Register
Port B Option Register
Port C Data Register
Port C Data Direction Register
Port C Option Register
Port D Data Register
Port D Data Direction Register
Port D Option Register
Port E Data Register
Port E Data Direction Register
Port E Option Register
Port F Data Register
Port F Data Direction Register
Port F Option Register
Port G Data Register
Port G Data Direction Register
Port G Option Register
Port H Data Register
Port H Data Direction Register
Port H Option Register
I
I
I
I
I
I
I
SPI Data I/O Register
SPI Control Register
SPI Control/Status Register
2
2
2
2
2
2
2
C Control Register
C Status Register 1
C Status Register 2
C Clock Control Register
C Own Address Register 1
C Own Address Register2
C Data Register
Reserved Area (2 Bytes)
Register Name
Status
Reset
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
0xh
00h
xxh
1)
1)
1)
1)
1)
1)
1)
1)
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
R/W
R/W
R/W
R/W
R/W
Read Only
Read Only
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ST72521
Remarks
2)
2)
15/211
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