AN1827 Freescale Semiconductor / Motorola, AN1827 Datasheet - Page 33

• Manufacturer Part Number: AN1827
• Description: Programming and Erasing FLASH Memory on the MC68HC908AS60
• Manufacturer: Freescale Semiconductor / Motorola

AN1827
MOTOROLA
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
STEP 8
Figure 13. Subroutine Prog8Bytes Flowchart
BUFFER TO SELECTED
PROTECT REGISTERS
Freescale Semiconductor, Inc.
READ FLASH BLOCK
TO CLEAR HVEN BIT
COPY DATA FROM
CLEAR ATTEMPT
SET I BIT TO MASK
TO SET HVEN BIT
TO SET PGM BIT
CALL WriteFLCR
For More Information On This Product,
CALL WriteFLCR
CALL WriteFLCR
CALL Delay TO
CALL Delay TO
FLASH PAGE
Prog_er_srt.c)
INTERRUPTS
(Prog_er.srt /
COUNTER
Prog8Bytes
WAIT t
WAIT t
HVTV
Step
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REPROGRAM THE SAME PAGE
STEP 9
STEP 10
STEP 11
TO CLEAR PGM BIT
TO SET MARGIN BIT
CALL WriteFLCR
CALL WriteFLCR
TO WAIT t
CALL Delay
A
B
VTP
Assembly Source Code
Application Note
33