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TDA7590 датащи(PDF) 34 Page - STMicroelectronics

номер детали TDA7590
подробное описание детали  Digital signal processing IC for speech and audio applications
PDF  40 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7590 датащи(HTML) 34 Page - STMicroelectronics

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Appendix 1
TDA7590
34/40
ENDIF
;------------------------------------------------------------------------
; Enable interrupts
;------------------------------------------------------------------------
Andi #$fc,mr
; set DSP interrupt priority level to 0
; Sets the Interrupt Mask bits in the SR
; to [00] (No exceptions masked)
IF 1
Bset #0,x:M_TCSR0
; Enable Timer0
Bset #0,x:M_TCSR1
; Enable Timer1
Bset #0,x:M_TCSR2
; Enable Timer2
ENDIF
move
#states,r3
move
#ntaps-1,m3
move
#coef,r4
move
#ntaps-1,m4
;------------------------------------------------------------------------
; Processor Loop
;------------------------------------------------------------------------
IF 0
LOOP
;
bset
#12,x:SCR_ADR
; start SCI transmit
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
jmp LOOP
ENDIF
IF 1
LOOP
;
bset
#12,x:SCR_ADR
; start SCI transmit
mac
x0,y0,a
x:(r3)+,x0
y:(r4)+,y0
; generates variations on mean value of DAC
move
#$AAAAAA,x0
move
x0,x:$CAAAAA
; send data to expansion port
move
x0,x:GPIODAT
; move PORTB pins
bset
#12,x:SCR_ADR
; start SCI transmit
mac
x0,y0,a
x:(r3)+,x0
y:(r4)+,y0
; generates variations on mean value of DAC
move
#$555555,x0
move
x0,x:$C55555
; send data to expansion port
move
x0,x:GPIODAT
; move PORTB pins



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