Motorola M68EZ328ADS Program, Verifiy, NOV Echo, Finish Txdrdy, Polltxd, Lprdy, Echo P Echo a

Models: M68EZ328ADS

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Freescale Semiconductor, Inc.

Programming On-board Flash Memory

Freescale Semiconductor, Inc.

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

cmp.l

d0,d1

; if d1<=d0, bra PROGRAM

ble

PROGRAM

 

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

;*****************************************

;Input Parameters:

;a0 - (Long) Source Address

;a1 - (Long) Target Address

;d0 - (Long) Byte Size

;a5 - (long) Flash Starting Address Offset 1

;a6 - (long) Flash Starting Address Offset 2 ;*****************************************

 

move.l

a0,a2

;a2 & a3 are used to store the starting address

 

move.l

a1,a3

;for comparing.

 

clr.b

d5

;clear d5 as ECHO counter

 

clr.l

d1

;clear d1 as counter

VERIFIY

 

 

 

 

cmp.b

#0,d5

 

 

bne

NO_V

 

 

ECHO

'V'

 

 

ECHO

0

 

NO_V

add.b

#1,d5

 

 

move.w

(a2)+,d2

 

 

move.w

(a3)+,d3

 

 

cmp.w

d2,d3

 

 

bne

ERROR

 

 

add.l

#2,d1

 

 

cmp.l

d0,d1

; if d1<=d0, bra CHECK

 

ble

VERIFIY

 

 

bra

FINISH

 

****************************************************************************

TXD_RDY

 

 

move.l

d7,-(a7)

; Push d7

POLLTXD

 

 

btst.b

#5,$FFFFF906

 

beq.s

POLLTXD

; bra if TXAVAIL not SET

move.w

#$0FFF,d7

 

LP_RDY sub.w

#1,d7

 

bne.b

LP_RDY

 

move.l

(a7)+,d7

; Restore d7

rts

 

 

****************************************************************************

FINISH

ECHO '\n'

ECHO 'P'

ECHO 'A'

C-36M68EZ328ADS v2.0 USER’S MANUALMOTOROLA

For More Information On This Product,

Go to: www.freescale.com

Page 37
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Motorola M68EZ328ADS user manual Program, Verifiy, NOV Echo, Finish Txdrdy, Polltxd, Lprdy, Echo P Echo a