AN2156 Freescale Semiconductor / Motorola, AN2156 Datasheet - Page 71

• Manufacturer Part Number: AN2156
• Description: Programming and Erasing FLASH and EEPROM Memories on the MC68HC908AS60A/AZ60A
• Manufacturer: Freescale Semiconductor / Motorola

Standard EEPROM Assembly Source Code
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* File Name: EEPROM.mrt
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* Current Revision: 1.0
* Current Release Level: RP
* Current Revision Release Date: 6/21/2001
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* Current Release Written By: Adeela Gill and Kazue Kikuchi
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* Assembled Under: CASM08Z (P&E Microcomputer Systems, Inc.)
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* Part Family Software Routine Works With: HC08
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* Routine Size (Bytes):
* Stack Space Used (Bytes):
* RAM Used (Bytes):
* Global Variables Used:
* Subroutine Called:
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* Full Functional Description Of Routine Design:
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***************************************************************************
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*****
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byteprogram. equ
byteerase.
blockerase.
bulkerase.
***************************************************************************
*****
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NOLIST
$INCLUDE
$INCLUDE
LIST
***************************************************************************
*****
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AN2156
MOTOROLA
EEPROM.mrt is the main routine for the EEPROM programming and
erasing operations.
algorithms for the MC68HC908AS60A and MC68HC908AZ60A.
Note: In this code, CGMXCLK is used as the EEPROM reference clock *
org
org
EEPROM Programming and Erasing on the MC68HC908AS60A/AZ60A
equ
equ
equ
source and the frequency is 4.9152MHz
"H908AS60A.frk"
ram1
"EEPROM.var"
ram2
%00000100
%00001100
%00010100
%00011100
Ver.: 3.16
Motorola Applications Engineering - Austin, TX
Program Specific Equates
Freescale Semiconductor, Inc.
Include Files
For More Information On This Product,
It demonstrates programming and erasing
130
4
4
EEPROM_addr, data
EEPROMroutine
;Select byte program and set EELAT bit
;Select byte erase and set EELAT bit
;Select block erase and set EELAT bit
;Select bulk erase and set EELAT bit
;Equates for all registers and
; bits in the MC68HC908AS60A
;RAM variable definitions
Main Routine
Go to: www.freescale.com
Copyright (c) Motorola 2001
Standard EEPROM Assembly Source Code
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Application Note
71