Motorola M68EZ328ADS user manual Program Enable, Polling, Error, NOW Echo

Freescale Semiconductor, Inc.

Programming On-board Flash Memory

Freescale Semiconductor, Inc.

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

move.l pSOURCE,A0 move.l pTARGET,A1

moveARCHIVED.l pSIZE,D0BY FREESCALE SEMICONDUCTOR, INC. 2005

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

C-35M68EZ328ADS v2.0 USER’S MANUALMOTOROLA

For More Information On This Product,

Go to: www.freescale.com