 English |
|
|
|
|
|
|
|
| MC68HC912BD32 Datasheet, PDF (81/292 Pages) Freescale Semiconductor, Inc – Advance Information | |||
| |||
| ◁ |
13-ï¬ash
Freescale Semiconductor, Inc.
Flash EEPROM
Erasing the Flash EEPROM
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 8 Erase Sequence Flow
Flash EEPROM
For More Information On This Product,
Go to: www.freescale.com
MC68HC912BD32 Rev 1.0
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese