ST6255B View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST6255B
STMicroelectronics
'ST6255B' PDF : 74 Pages View PDF
ST62T55B ST62T65B/E65B
RESETS (Cont’d)
Table 6. Register Reset Status
Register
Oscillator Control Register
EEPROM Control Register
Port Data Registers
Port Direction Register
Port Option Register
Interrupt Option Register
TIMER Status/Control
Address(es)
0DCh
0EAh
0C0h to 0C2h
0C4h to 0C6h
0CCh to 0CEh
0C8h
0D4h
AR TIMER Mode Control Register
AR TIMER Status/Control 1 Register
AR TIMER Status/Control 2 Register
AR TIMER Compare Register
AR TIMER Load Register
0D5h
0D6h
0D7h
0DAh
0DBh
Miscellaneous Register
SPI Registers
X, Y, V, W, Register
Accumulator
Data RAM
Data RAM Page REgister
Data ROM Window Register
EEPROM
A/D Result Register
AR TIMER Load Register
AR TIMER Reload/Capture Register
TIMER Counter Register
TIMER Prescaler Register
Watchdog Counter Register
A/D Control Register
0DDh
0E0h to 0E2h
080H TO 083H
0FFh
084h to 0BFh
0E8h
0C9h
00h to 03Fh
0D0h
0DBh
0D9h
0D3h
0D2h
0D8h
0D1h
Status
00h
00h
00h
00h
00h
00h
00h
00h
02h
00h
00h
00h
00h
00h
Comment
fINT = fOSC; user must set bit3 to 1
EEPROM disabled (if available)
I/O are Input with pull-up
I/O are Input with pull-up
I/O are Input with pull-up
Interrupt disabled
TIMER disabled
AR TIMER stopped
SPI Output not connected to PC3
SPI disabled
Undefined
As written if programmed
FFh
7Fh
Max count loaded
FEh
40h
A/D in Standby
22/74
22
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