XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 113

• Manufacturer Part Number: XC912BC32CFU8
• Description: M68HC12B Family Data Sheet
• Manufacturer: Motorola Semiconductor Products

M68HC12B Family — Rev. 8.0
MOTOROLA
ADDRESS/DATA
GET NEXT
Figure 8-5. Program Sequence Flow
FLASH EEPROM
CLEAR PROGRAM PULSE COUNTER (n
NO
NO
DELAY BEFORE VERIFY
DELAY FOR DURATION
CLEAR MARGIN FLAG
OF PROGRAM PULSE
TURN OFF V
n
MARGIN FLAG
START PROG
TURN ON V
CLEAR ERAS
CLEAR ENPE
DECREMENT
TO ADDRESS
DONE PROG
WRITE DATA
PP
CLEAR LAT
SET ENPE
CORRECT?
SET LAT
(t
(t
n
DONE?
COUNTER
PPULSE
VPROG
SET?
PP
DATA
IS
= 0?
YES
YES
YES
YES
)
)
FP
FP
NO
NO
Programming the FLASH EEPROM
PP
LOCATION FAILED
)
n
TO PROGRAM
INCREMENT
PP
LOCATION
CORRECT?
n
COUNTER
READ
PP
DATA
= 50?
YES
NO
YES
NO
MARGIN FLAG
FLASH EEPROM
SET
Data Sheet
113