MC68HC912B32 Datasheet, PDF (43/128 Pages) Motorola, Inc – 16-Bit Microcontroller

START PROG
TURN ON V_FP
CLEAR MARGIN FLAG
CLEAR PROGRAM PULSE COUNTER (n_PP)
CLEAR ERAS
SET LAT
WRITE DATA
TO ADDRESS
SET ENPE
DELAY FOR DURATION
OF PROGRAM PULSE
(t_PPULSE)
CLEAR ENPE
DELAY BEFORE VERIFY
(t_VPROG)
SET
MARGIN FLAG
IS
MARGIN FLAG
SET?
NO
YES
INCREMENT
n_PP COUNTER
READ
LOCATION
DECREMENT
n_PP COUNTER
NO
n_PP = 0?
YES
DATA
CORRECT?
YES
CLEAR LAT
DATA
CORRECT?
NO
YES
n_PP = 50?
NO
YES
NO
LOCATION FAILED
TO PROGRAM
GET NEXT
ADDRESS/DATA
DONE?
NO
YES
TURN OFF V_FP
DONE PROG
Figure 7 Program Sequence Flow
MC68HC912B32
MC68HC912B32TS/D
MOTOROLA
43