參數(shù)資料
型號： TLV5614D
廠商： Texas Instruments, Inc.
英文描述： 2.7-V TO 5.5-V 12-BIT 3-mS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
中文描述： 2.7 V至5.5 V的12位3毫秒翻兩番數(shù)字至模擬與電源降壓轉(zhuǎn)換器
文件頁數(shù)： 23/27頁
文件大?。?/td> 369K
代理商： TLV5614D
TLV5614
2.7-V TO 5.5-V 12-BIT 3-
μ
S QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS188 – SEPTEMBER 1998
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
MOV
ADD
ANL
MOV
MOVC
ORL
A,R7
A,#0FH
; pointer in R7
; add 15 – already done one INC
; wrap back round to 0 if > 64
; pointer back in R7
; get DAC D msb from the table
; set control bits to DAC D address
A,#03FH
R7,A
A,@A+DPTR
A,#03H
B_LSB_TX:
JNB
SETB
CLR
CLR
MOV
TI,B_LSB_TX
T1
T1
TI ; clear for new transmit
SBUF,A
; wait for DAC B lsb transmit to complete
; toggle FS
; and send out the msb of DAC D
INC
MOV
MOVC
R7
A,R7
A,@A+DPTR
; increment the pointer in R7
; to get the next byte from the table
; which is the lsb of this sample, now in ACC
D_MSB_TX:
JNB
CLR
MOV
TI,D_MSB_TX
TI
SBUF,A
; wait for transmit to complete
; clear for new transmit
; and send out the lsb of DAC D
; increment the rolling pointer to point to the next sample
; ready for the next interrupt
MOV
A,rolling_ptr
ADD
A,#02H
; add 2 to the rolling pointer
ANL
A,#03FH
; wrap back round to 0 if > 64
MOV
rolling_ptr,A; store in memory again
D_LSB_TX:
JNB
TI,D_LSB_TX
; wait for DAC D lsb transmit to complete
CLR
TI
; clear for next transmit
SETB
T1
; FS high
SETB
T0
; CS high
POP
ACC
POP
PSW
RETI
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; Stack needs definition
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
RSEG STACK
DS 10h
; 16 Byte Stack!
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; Main program code
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
RSEG
MAIN
start:
MOV
SP,#STACK–1
; first set Stack Pointer
CLRA
MOV
SCON,A
; set serial port 0 to mode 0
MOV
TMOD,#02H
; set timer 0 to mode 2 – auto–reload
MOV
TH0,#038H
; set TH0 for 5kHs interrupts
SETB
INT1
; set LDAC = 1
SETB
T1
; set FS = 1
SETB
T0
; set CS = 1
SETB
ET0
; enable timer 0 interrupts
SETB
EA
; enable all interrupts
MOV
rolling_ptr,A; set rolling pointer to 0
SETB
TR0
; start timer 0
always:
SJMP
always
; while(1) !
RET
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; Table of 32 sine wave samples used as DAC data
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
RSEG
SINTBL
相關(guān)PDF資料
PDF描述
TLV5614PW 2.7-V TO 5.5-V 12-BIT 3-mS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV5614-EP 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7-V TO 5.5-V 12-BIT 3-??s QUADRUPLE DIGITAL-TO-ANALOG CONVERTER WITH POWER DOWN
TLV5614ID 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10bit Quad Serial RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
TLV5614ID 制造商:Texas Instruments 功能描述:12-BIT QUADRUPLE DIGITAL/ANALOG CONVERTE
TLV5614IDG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 3 us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
TLV5614IDR 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 3 us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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