peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 130

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

Semiconductor Group
finish_eboot:
; Enable program write protection
;*********************************************
;##########################################################
; ROM boot
;
; During ROM boot the MOVP command is reading from the Boot
; ROM.
rom_boot:
; Read the ROM parameters:
;**************************
rom_load:
; Load user program from ROM to the program RAM:
;************************************************
rom_block:
mov
mov
mov
mov
br
mov
movp
mov
inc
movp
inc
movp
inc
mov
movp
movd
modr
##PASSR_REG,r1
#0x0,r2
r2,(r1)
r5,MBUSY
0x0
#0x0, a1l
(a1l), lc
#0x0,r3
a1
(a1l), r2
a1
(a1l), r4
a1
a1l, r5
(r5)+, (r3)
(r3),(r4)+
(r2)-
; PASSR register address
; r2 = 0
; enable program write protection
; Clear busy bit
; ROM first address
; Start address to jump to at the end.
; First address of XRAM
; Number of words to load.
; RAM address to load to.
; load the pointer
; down load one word
; Decrement number of words
2-84
Functional Block Description
PEB 20560
2003-08