EM78F651NAMSSLASHNAMJ datasheet(38/58 Pages) EMC

38 / 58 page

EM78F651N

8-Bit Microcontroller

•

Product Specification (V1.1) 10.20.2006

(This specification is subject to change without further notice)

6.8.2.2 Example Demonstration Programs

;To define the control register

;Write data to EEPROM

RC == 0x0C

RB == 0x0B

RD == 0x0D

Read == 0x07

WR == 0x06

EEWE == 0x05

EEDF == 0x04

EEPC == 0x03

BS RB, EEPC

; Set the EEPROM power on

MOV A,@0x0A

MOV RC,A

; Assign the address from EEPROM

BS RB, EEWE

; Enable the EEPROM write function

MOV A,@0x55

MOV RD,A

; Set the data for EEPROM

BS RB,WR

; Write value to EEPROM

JBC RB,EEDF

; To check the EEPROM bit complete or not

JMP $-1

;To define the control register

;Read data from EEPROM

RC == 0x0C

RD == 0x0D

Read == 0x07

WR == 0x06

EEWE == 0x05

EEDF == 0x04

EEPC == 0x03

BS RB, EEPC

; Set the EEPROM power on

MOV A,@0x0A

MOV RC,A

; Assign the address from EEPROM

BS RB, Read

; Set EEPROM read function

JBC RB,EEDF

; To check the EEPROM bit complete or not

JMP $-1

MOV A,RD

EM78F651NAMS/NAMJ Datenblatt(PDF) 38 Page - ELAN Microelectronics Corp

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