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參數(shù)資料
| 型號： | TLV5613IPWG4 |
| 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： | GREEN, PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 8/23頁 |
| 文件大小： | 447K |
| 代理商： | TLV5613IPWG4 |
TLV5613
2.7 V TO 5.5 V 12-BIT PARALLEL DIGITAL-TO-ANALOG CONVERTER
WITH POWER DOWN
SLAS174B – DECEMBER 1997 – REVISED NOVEMBER 2000
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
;************************************************************************
;* Title
: Waveform generation with TLV5613
*
;* Version: 1.0
*
;* MCU
: Intel MCS
251, MCS51
*
;*
1998 Texas Instruments Inc.
*
;************************************************************************
TABLE_START EQU 01000h
;start address of waveform data
TABLE_END_H EQU 013h
;high byte – end address of waveform data
TABLE_END_L EQU 0E8h
;low byte
– end address of waveform data
RELOAD
EQU 0FCh
;timer reload value
ORG 00000h
;entry point
JMP main
;jump to main program
ORG 0000bh
;timer0 (T0) interrupt vector
JMP T0_isr
;jump to T0 interrupt service routine
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
;main: setup timer and interrupt, loop forever
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
main:
CLR A
MOV A, IE0
;disable all interrupts
CLR TCON.4
;stop T0
MOV A, #002h
MOV TMOD, A
;set T0 to auto reload mode
MOV A, #RELOAD
MOV TH0, A
;set T0 reload value
MOV TL0, A
;set T0 start value
MOV P2, #080h
;set A15 of address bus to select DAC
MOV DPTR, #TABLE_START
;set data pointer to start of wave form data
SETB IE0.1
;enable T0 interrupt
SETB IE0.7
;enable interrupts
SETB TCON.4
;start T0
idle_loop:
SJMP idle_loop
;loop forever
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