AN1241 Motorola Semiconductor Products, AN1241 Datasheet - Page 10

• Manufacturer Part Number: AN1241
• Description: Interfacing the Mc68hc705j1a to 9356/9366 Eeproms
• Manufacturer: Motorola Semiconductor Products

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* File Name: J1A_9356.RTN
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* Full Functional Description Of Routine Design:
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#nolist
#INCLUDE 'H705J1A.FRK'
#list
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Program flow:
Reset:
Part Specific Framework Includes Section
MOR Bytes Definitions for Main Routine
Main Routine J1A_9356 - 705J1A to 9356 EEPROM
Initializes ports for bit banging.
Calls EWEN sub to enable write to EEPROM.
Calls ERAL to erase all EEPROM
Writes $AA55 to EEPROM $00
Writes $1234 to EEPROM $20
Reads EEPROM $00 and $20
Check for correct data, light LED if correct
Execute endless loop
org
db
Freescale Semiconductor, Inc.
For More Information On This Product,
MOR
$21
Go to: www.freescale.com
APPENDIX C
;Include the equates for the HC705J1A
;so that all labels can be used.
;COP enabled, osc resistor enabled
;If used on a mask rom part,
; be sure to specify this option.
Copyright (c) Motorola 1995
AN1241/D
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