AN2156 Freescale Semiconductor / Motorola, AN2156 Datasheet - Page 84

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

Application Note
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* This routine determines whether EE1CR or EE2CR should be written to and *
* which bit(s) in the EExCR is set or clear based on the accumulator
* value and the EEPROM address specified by EEPROM_addr.
* Initializations required:
*
*
*
* Values returned:
*
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WriteEECR:
EEPROM2:
EEPROM1:
WriteEECR_End:
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- Set bit(s) in accumulator for making bit(s) in the EExCR set or
- Load EEPROM_addr to HX registers
- None
clear
cphx
bhs
cphx
bhs
eor
sta
bra
eor
sta
rts
#EE2DIVHNVR
EEPROM2
#eeprom-1
EEPROM1
EE2CR
EE2CR
WriteEECR_End
EE1CR
EE1CR
Write to EEPROM Control Register
Freescale Semiconductor, Inc.
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
For More Information On This Product,
;If address >= $FF70, branch to EEPROM2
;If address >= $0800, write to EEPROM1
;Write to EE2CR register
;Write to EE1CR register
Go to: www.freescale.com
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© Motorola, Inc., 2001
AN2156/D