mc68hc912bc32 Freescale Semiconductor, Inc, mc68hc912bc32 Datasheet - Page 108

• Manufacturer Part Number: mc68hc912bc32
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

FLASH EEPROM
108
CLEAR ERASE PULSE COUNTER (n
Figure 8-6. Erase Sequence Flow
NO
M68HC12B Family Data Sheet, Rev. 9.1
DELAY BEFORE VERIFY
DELAY FOR DURATION
CLEAR MARGIN FLAG
WRITE TO ARRAY
OF ERASE PULSE
ARRAY ERASED
TURN OFF V
START ERASE
n
MARGIN FLAG
TURN ON V
CLEAR ENPE
DECREMENT
EP
CLEAR LAT
SET ERAS
SET ENPE
(t
SET LAT
(t
n
ERASED?
VERASE
COUNTER
EPULSE
EP
SET?
ARRAY
IS
= 0?
YES
YES
YES
)
)
FP
FP
NO
NO
EP
ARRAY FAILED TO ERASE
)
n
INCREMENT
EP
ERASED?
n
ARRAY
COUNTER
ARRAY
EP
READ
= 5?
YES
NO
YES
NO
MARGIN FLAG
SET
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