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參數資料
| 型號： | TLV5639QDWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁數： | 6/22頁 |
| 文件大小： | 445K |
| 代理商： | TLV5639QDWR |
www.ti.com
TLV5639C
TLV5639I
SLAS189C – MARCH 1999 – REVISED JANUARY 2004
; File:
RAMP.ASM
; Function:
ramp generation with TLV5639
; Processors:
TMS320C203
; { 1999 Texas Instruments
;---------- I/O and memory mapped regs ---------------
.include regs.asm
dac_data
.equ
0084h
dac_ctrl
.equ
0085h
;------------- vectors -------------------------------
.ps
0h
b
start
b
INT1
b
INT23
b
TIM_ISR
----------Main Program----------
.ps
1000h
.entry
start:
ldp
#0
; set data page to 0
; disable interrupts
setc
INTM
; disable maskable interrupts
splk
#0ffffh, IFR
splk
#0004h,
IMR
; set up the timer
splk
#0000h,
60h
splk
#0042h,
61h
out
61h, PRD
out
60h, TIM
splk
#0c2fh,
62h
out
62h,
TCR
splk
#0011h,
62h
; set up the DAC
; SPD=1
(FAST mode) and ; REF1=1
(2.048 V internal ref enable)
out
14
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