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ST7285C Datasheet(HTML) 10 Page - STMicroelectronics

Part No. ST7285C
Description  8-BIT MCU FOR RDS WITH 48K ROM, 3K RAM, ADC, TWO TIMERS, TWO SPIs, I2C AND SCI INTERFACES
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST7285C Datasheet(HTML) 10 Page - STMicroelectronics

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ST7285C
1.3 MEMORY MAP
Table 1. Memory Map
Address
Block
Register name
Reset
Status
Remarks
0000h
0001h
0002h
0003h
Port A
Data Reg
Data Direction Reg
Not Used
Not Used
00h
00h
R/W Register
R/W Register
Absent
Absent
0004h
0005h
0006h
0007h
Port B
Data Reg
Data Direction Reg
Not Used
Not Used
00h
00h
R/W Register
R/W Register
Absent
Absent
0008h
0009h
000Ah
000Bh
Port C
Data Reg
Data Direction Reg
Option Reg
Not Used
00h
00h
--00----b
R/W Register
R/W Register
R/W Register
Absent
000Ch
000Dh
000Eh
000Fh
Port D
Data Reg
Data Direction Reg
Option Reg
Not Used
00h
00h
--00----b
R/W Register
R/W Register
R/W Register
Absent
0010h
0011h
0012h
0013h
Port E
Data Reg
Data Direction Reg
Not Used
Not Used
00h
00h
R/W Register
R/W Register
Absent
Absent
0014h
0015h
0016h
0017h
Port F
Data Reg
Data Direction Reg
Option Reg
Not Used
00h
00h
----0000b
R/W Register
R/W Register
R/W Register
Absent
0018h
0019h
001Ah
001Bh
Port G
Data Reg
Data Direction Reg
Option Reg
Not Used
00h
00h
----0---b
R/W Register
R/W Register
R/W Register
Absent
001Ch
001Dh
001Eh
001Fh
Port H
Data Reg
Data Direction Reg
Not Used
Not Used
00h
00h
R/W Register
R/W Register
Absent
Absent
0020h
Miscellaneous Reg-
ister
00h
see register description
0021h
0022h
0023h
SPI A
Data I/O Reg
Control Reg
Status Reg
XXh
0xh
00h
R/W Register
R/W Register
Read Only Register
0024h
WDG
Watchdog register
7Fh
see register description
0025h
0026h
0027h
SPI B
Data I/O Reg
Control Reg
Status Reg
XXh
0xh
00h
R/W Register
R/W Register
Read Only Register


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