參數(shù)資料
型號: TLV5614(中文)
廠商: Texas Instruments, Inc.
英文描述: 2.7V to 5.5V 12-Bit 3us Quadruple Digital-to-Analog Converters With Power Down(具有掉電功能的2.7V至5.5V,12位,3微秒,四路DAC)
中文描述: 2.7V至5.5V 12位3us四倍數(shù)字模擬轉(zhuǎn)換器由于斷電(具有掉電功能的為2.7V至5.5V之間,12位,3微秒,四路援會(huì))
文件頁數(shù): 14/20頁
文件大?。?/td> 529K
代理商: TLV5614(中文)
==1999-3-18==
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==20-13==
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http://www.p8s.com
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ooêD70020D
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430079
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( 86) ( 027£87493500 87493506
( 86) ( 027) 87491166, 87493497
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;
; Main Program
;
.ps
1000h
.entry
start
;
; disable interrupts
;
setc
INTM
; disable maskable interrupts
splk
#0ffffh, IFR; clear all interrupts
splk
#0004h, IMR; timer interrupts unmasked
;
; set up the timer
; timer period set by values in PRD and TDDR
; period = (CLKOUT1 period) x (1+PRD) x (1+TDDR)
; examples for TMS320C203 with 40MHz main clock
; Timer rate
TDDR
PRD
;
80 kHz
9
24 (18h)
;
50 kHz
9
39 (27h)
;
prd_val.equ
0018h
tcr_val.equ
0029h
splk
#0000h, temp; clear timer
out
temp, TIM
splk
#prd_val, temp; set PRD
out
temp, PRD
splk
#tcr_val, temp; set TDDR, and TRB=1 for auto reload
out
temp, TCR
;
; Configure IO0/1 as outputs to be :
; IO0
CS and set high
; IO1
LDAC
and set high
;
in
temp, ASPCR; configure as output
lacl
temp
or
#0003h
sacl
temp
out
temp, ASPCR
in
temp, IOSR; set them high
lacl
temp
or
#0003h
sacl
temp
out
temp, IOSR
;
; set up serial port for
; SSPCR.TXM=1
Transmit mode generate FSX
; SSPCR.MCM=1
Clock mode internal clock source
; SSPCR.FSM=1
Burst mode
;
splk
#0000Eh, temp
out
temp, SSPCR; reset transmitter
splk
#0002Eh, temp
out
temp,SSPCR
;
; reset the rolling pointer
;
lacl
#000h
sacl
r_ptr
;
; enable interrupts
;
clrc
INTM
; enable maskable interrupts
;
; loop forever!
;
-------------------------------------------------------------------------------------------------------------------------------------------------------------
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