ST6253C datasheet(25/83 Pages) STMICROELECTRONICS

25 / 83 page

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ST6253C ST6263C ST6263B ST6260C ST6260B

RESETS (Cont’d)

Table 5Register Reset Status

Address(es)

Status

Comment

Oscillator Control Register

EEPROM Control Register

Port Data Registers

Port Direction Register

Port Option Register

Interrupt Option Register

TIMER Status/Control

AR TIMER Mode Control Register

AR TIMER Status/Control 0 Register

AR TIMER Status/Control 1 Register

AR TIMER Compare Register

Miscellaneous Register

SPI Registers

SPI DIV Register

SPI MOD Register

SPI DSR Register

0DCh

0EAh

0C0h to 0C2h

0C4h to 0C6h

0CCh to 0CEh

0C8h

0D4h

0D5h

0D6h

0D7h

0DDh

0E0h to 0E2h

0E1h

0E2h

0E0h

00h

Undefined

EEPROM disabled (if available)

I/O are Input with pull-up

Interrupt disabled

TIMER disabled

AR TIMER stopped

SPI Output not connected to PC3

SPI disabled

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

080H TO 083H

0FFh

084h to 0BFh

0E8h

0C9h

00h to 03Fh

0D0h

0DBh

0D9h

Undefined

As written if programmed

TIMER Counter Register

TIMER Prescaler Register

Watchdog Counter Register

A/D Control Register

0D3h

0D2h

0D8h

0D1h

FFh

7Fh

FEh

40h

Max count loaded

A/D in Standby

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