AN2183 Freescale Semiconductor / Motorola, AN2183 Datasheet - Page 15
AN2183
Manufacturer Part Number
AN2183
Description
Using FLASH as EEPROM on the MC68HC908GP32
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.AN2183.pdf
(48 pages)
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AN2183
MOTOROLA
ERASE FLASH ROUTINE
ERASE FlashEE
PERFORM
PROCESS
EXECUTE
IN RAM
Figure 5. Erase FlashEE Software Flow Diagrams
Freescale Semiconductor, Inc.
For More Information On This Product,
AND WRITE TO POINTED PAGE
CONDITION CODE REGISTER
CONDITION CODE REGISTER
AND DISABLE INTERRUPTS
CLEAR HVEN BIT IN FLCR
SET ERASE BIT IN FLCR,
ERASE FLASH ROUTINE
ERASE FLASH ROUTINE
SET HVEN BIT IN FLCR
Go to: www.freescale.com
CLEAR ERASE BIT
AND WAIT > 5 s,
AND WAIT > 1 s,
AND WAIT > 1 ms
ONTO STACK
WAIT > 10 s,
READ FLBPR
RESTORE
EXECUTE
IN FLCR
IN RAM
COPY
SAVE
PROCESS
EXIT
LOCATION POINTER
RETURN WITH
FlashEE PAGE
Application Note
PROCESS
EXIT
Summary
15
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