Programming On-board Flash Memory
B-34
M68VZ328ADS USER’S MANUAL
MOTOROLA
move.l
pSOURCE,A0
move.l
pTARGET,A1
move.l
pSIZE,D0
move.l
pFLASH,A5
move.l
pFLASH,A6
*******************************************
* BreakPoint Here if program flash in SDS *
*******************************************
add.l
#OFFSET1,A5
add.l
#OFFSET2,A6
**************************************************
;*****************************************
; Input Parameters:
;
a0 - (Long) Source Address
;
a1 - (Long) Target Address
;
d0 - (Long) Byte Size
;
a5 - (long) Flash Starting Address Offset1
;
a6 - (long) Flash Starting Address Offset2
;*****************************************
move.l
a0,a2
; a2 as source
move.l
a1,a3
; a3 as target
clr.l
d1
; clear d1 as counter
clr.b
d5
; clear d5 as ECHO counter
PROGRAM
ENABLE
move.w
(a2),(a3)
; Copy source to target
clr.l
d4
; clear d4 as polling counter
POLLING
cmp.l
#TIME,d4
bgt
ERROR
; if d4>#TIME, bra ERROR
add.l
#1,d4
; d4++
move.w
(a2),d2
; Compare (a0),(a1)
move.w
(a3),d3
cmp.w
d2,d3
bne
POLLING
; End of POLLING
add.l
#2,a2
add.l
#2,a3
add.l
#2,d1
cmp.b
#0,d5
bne
NO_W
ECHO
'W'
ECHO
0
NO_W
add.b
#1,d5
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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