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| MC68HC912D60 Datasheet, PDF (112/432 Pages) Freescale Semiconductor, Inc – M68HC12 Microcontrollers | |||
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Flash Memory
Freescale Semiconductor, Inc.
Advance Information
112
START ERASE
TURN ON VFP
CLEAR MARGIN FLAG
CLEAR ERASE PULSE COUNTER (nEP)
SET ERAS
SET LAT
WRITE TO ARRAY
SET ENPE
DELAY FOR DURATION
OF ERASE PULSE
(tEPULSE)
CLEAR ENPE
DELAY BEFORE VERIFY
(tVERASE)
SET
MARGIN FLAG
IS
MARGIN FLAG
SET?
NO
YES
INCREMENT
nEP COUNTER
READ
ARRAY
DECREMENT
nEP COUNTER
ARRAY
ERASED?
NO
YES
NO
nEP = 0?
YES
ARRAY
ERASED? NO
YES
CLEAR LAT
nEP = 5?
NO
YES
TURN OFF VFP
ARRAY ERASED ARRAY FAILED TO ERASE
Figure 7-2. Erase Sequence Flow
Flash Memory
For More Information On This Product,
Go to: www.freescale.com
68HC(9)12D60 â Rev 4.0
MOTOROLA
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