DSP56309EVM Freescale Semiconductor, DSP56309EVM Datasheet - Page 231

• Manufacturer Part Number: DSP56309EVM
• Description: KIT EVALUATION FOR XC56309
• Manufacturer: Freescale Semiconductor
• Type: DSPr

Specifications of DSP56309EVM

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Description/function: Audio DSPs
• Product: Audio Modules
• For Use With/related Products: DSP56309
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

;;
;;---------------------------------------------------------
Freescale Semiconductor
if
else
endif
if
;; get PATTERN pointer
clr b
move
;; configure SCK0 as gpio output. PRRC register is cleared at reset.
movep
bset
do #9,burn1
;;----------------------------
;; test RAM
;;
;;----------------------------
move
move
move
;; write pattern to all memory locations
(EQUALDATA)
;; write x and y memory
clr a
move
rep
mac x0,x1,a x,l:(r0)+
;; write x memory
clr a
move
rep
mac x0,y0,a x1,x:(r0)+
;; write y memory
clr a
move
rep
mac x1,y0,a x0,y:(r1)+
;; write p memory
clr a
move
rep
move
;; check memory contents
(EQUALDATA)
;; check dram
each pass checks 1 pattern
#PATTERNS,r6
#<(NUM_PATTERNS-1),m6
b,x:M_PDRC
#SCK0,x:M_PRRC
p:(r6)+,x1
p:(r6)+,x0
p:(r6)+,y0
#start_dram,r0
#>length_dram,n0
n0
#start_xram,r0
#>length_xram,n0
n0
#start_yram,r1
#>length_yram,n1
n1
#start_pram,r2
#>length_pram,n2
n2
y0,p:(r2)+
DSP56309 User’s Manual, Rev. 1
;; b is the error accumulator
;; program runs forever in
;; cyclic form
;; clear GPIO data register
;; Define SCK0 as output GPIO pin
;; SCK0 toggles means test pass
;; pattern for x memory
;; pattern for y memory
;; pattern for p memory
;; x/y ram symmetrical
;; start of x/y ram
;; length of x/y ram
;; exercise mac, write x/y ram
;; x/y ram not symmetrical
;; start of xram
;; length of xram
;; exercise mac, write xram
;; start of yram
;; length of yram
;; exercise mac, write yram
;; start of pram
;; length of pram
;; write pram
;; x/y ram symmetrical
Bootstrap Code
A-9