Freescale Semiconductor, Inc.
APPENDIX C
*****************************************************************************
*****************************************************************************
*
*
*
*
*
*
Main Routine J1A_9356 - 705J1A to 9356 EEPROM
*****************************************************************************
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
* File Name: J1A_9356.RTN
*
Copyright (c) Motorola 1995
* Full Functional Description Of Routine Design:
* Program flow:
*
*
*
*
*
*
*
*
*
Reset: 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
*****************************************************************************
*
*
*
*
*
*
Part Specific Framework Includes Section
*****************************************************************************
#nolist
#INCLUDE 'H705J1A.FRK'
#list
;Include the equates for the HC705J1A
;so that all labels can be used.
*****************************************************************************
*
*
*
*
*
*
MOR Bytes Definitions for Main Routine
*****************************************************************************
org
db
MOR
$21
;COP enabled, osc resistor enabled
;If used on a mask rom part,
; be sure to specify this option.
AN1241/D
For More Information On This Product,
Go to: www.freescale.com
10
FREESCALE [ Freescale ]
