mc68hc912bd32 Freescale Semiconductor, Inc, mc68hc912bd32 Datasheet - Page 79

• Manufacturer Part Number: mc68hc912bd32
• Description: 16-bit Device Composed Of Standard On-chip Peripherals
• Manufacturer: Freescale Semiconductor, Inc

11-flash
Freescale Semiconductor, Inc.
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ADDRESS/DATA
GET NEXT
Flash EEPROM
Figure 7 Program Sequence Flow
CLEAR PROGRAM PULSE COUNTER (n
DELAY BEFORE VERIFY
NO
DELAY FOR DURATION
NO
CLEAR MARGIN FLAG
OF PROGRAM PULSE
TURN OFF V
MARGIN FLAG
n
CLEAR ERAS
START PROG
TURN ON V
TO ADDRESS
CLEAR ENPE
DECREMENT
DONE PROG
WRITE DATA
PP
CLEAR LAT
CORRECT?
SET ENPE
SET LAT
(t
(t
COUNTER
PPULSE
VPROG
n
DONE?
SET?
DATA
PP
IS
YES
YES
YES
YES
= 0?
)
)
FP
FP
NO
NO
Programming the Flash EEPROM
LOCATION FAILED
n
TO PROGRAM
INCREMENT
PP
CORRECT?
LOCATION
PP
COUNTER
n
READ
)
DATA
PP
MC68HC912BD32 Rev 1.0
YES
= 50?
NO
MARGIN FLAG
YES
NO
SET
Flash EEPROM