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ST72321AR6 Datasheet

  • ST72321AR6

  • 8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIM...

  • 2302.91KB

  • STMicroelectronics   STMicroelectronics

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ST72321
Table 2. Hardware Register Map
Address
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
000Ah
000Bh
000Ch
000Dh
000Eh
000Fh
0010h
0011h
0012h
to
0017h
0018h
0019h
001Ah
001Bh
001Ch
001Dh
001Eh
001Fh
0020h
0021h
0022h
0023h
0024h
0025h
0026h
0027h
0028h
0029h
FLASH
SPIDR
SPICR
SPICSR
ISPR0
ISPR1
ISPR2
ISPR3
EICR
FCSR
I2CCR
I2CSR1
I2CSR2
I2CCCR
I2COAR1
I2COAR2
I2CDR
I
2
C
I
2
C
I
2
C
I
2
C
I
2
C
I
2
C
I
2
C
Block
Register
Label
PADR
PADDR
PAOR
PBDR
PBDDR
PBOR
PCDR
PCDDR
PCOR
PDDR
PDDDR
PDOR
PEDR
PEDDR
PEOR
PFDR
PFDDR
PFOR
Register Name
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
Reset
Status
00h
1)
00h
00h
00h
1)
00h
00h
00h
1)
00h
00h
00h
1)
00h
00h
00h
1)
00h
00h
00h
1)
00h
00h
Remarks
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
2)
R/W
2)
R/W
R/W
R/W
Port A
Port B
Port C
Port D
Port E
Port F
Reserved Area (6 Bytes)
I
2
C
Control Register
Status Register 1
Status Register 2
Clock Control Register
Own Address Register 1
Own Address Register2
Data Register
Reserved Area (2 Bytes)
00h
00h
00h
00h
00h
00h
00h
R/W
Read Only
Read Only
R/W
R/W
R/W
R/W
SPI
SPI Data I/O Register
SPI Control Register
SPI Control/Status Register
Interrupt
Interrupt
Interrupt
Interrupt
Software Priority
Software Priority
Software Priority
Software Priority
Register 0
Register 1
Register 2
Register 3
xxh
0xh
00h
FFh
FFh
FFh
FFh
00h
00h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ITC
External Interrupt Control Register
Flash Control/Status Register
14/185

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