參數(shù)資料
型號(hào): DSP56367P
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: 24-Bit Audio Digital Signal Processor
中文描述: 24位音頻數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 91/100頁(yè)
文件大?。?/td> 1039K
代理商: DSP56367P
DSP56367 Technical Data, Rev. 2.1
Freescale Semiconductor
A-1
Appendix A Power Consumption Benchmark
The following benchmark program permits evaluation of DSP power usage in a test situation. It enables
the PLL, disables the external clock, and uses repeated multiply-accumulate instructions with a set of
synthetic DSP application data to emulate intensive sustained DSP operation.
;***********************************;********************************
;* ;* CHECKS Typical Power Consumption
;********************************************************************
page
200,55,0,0,0
nolist
I_VEC EQU $000000
START EQU $8000
INT_PROG EQU $100 ; INTERNAL program memory starting address
INT_XDAT EQU $0
; INTERNAL X-data memory starting address
INT_YDAT EQU $0
; INTERNAL Y-data memory starting address
; Interrupt vectors for program debug only
; MAIN (external) program starting address
INCLUDE "ioequ.asm"
INCLUDE "intequ.asm"
list
org
P:START
;
movep #$0123FF,x:M_BCR; BCR: Area 3 : 1 w.s (SRAM)
; Default: 1 w.s (SRAM)
;
movep
#$0d0000,x:M_PCTL
; XTAL disable
; PLL enable
; CLKOUT disable
;
; Load the program
;
move
move
do
move
move
nop
#INT_PROG,r0
#PROG_START,r1
#(PROG_END-PROG_START),PLOAD_LOOP
p:(r1)+,x0
x0,p:(r0)+
PLOAD_LOOP
;
; Load the X-data
;
move
move
#INT_XDAT,r0
#XDAT_START,r1
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