參數(shù)資料
型號(hào)： TLV5633C
廠商： Texas Instruments, Inc.
英文描述： 2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN
中文描述： 2.7 V至5.5 V低功耗12位數(shù)字到模擬，具有內(nèi)部參考和斷電變換器
文件頁(yè)數(shù)： 17/22頁(yè)
文件大小： 301K
代理商： TLV5633C
TLV5633C, TLV5633I
2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG
CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN
SLAS190 – MARCH 1999
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; Interrupt service routine for timer 0 interrupts
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
RSEG ISR
timer0isr:
PUSH
PSW
PUSH
ACC
; The signal to be output on the dac is stored in a table
; as 32 samples of msb, lsb pairs (64 bytes).
; The pointer, rolling_ptr, rolls round the table of samples
; incrementing by 2 bytes (1 sample) on each interrupt
; (at the end of this routine).
MOV
DPTR, #wavetable ; set DPTR to the start of the table
MOV
MOV
MOVC
MOVX
R0, #001H
A,rolling_ptr ; ACC loaded with the pointer into the wave table
A,@A+DPTR
; get msb from the table
@R0, A
; write DAC MSW
; R0 selects DAC MSW
MOV
MOV
INC
MOVC
MOVX
R0, #000H
A,rolling_ptr ; move rolling pointer back in to ACC
A
; increment ACC holding the rolling pointer
A,@A+DPTR
; which is the lsb of this sample, now in ACC
@R0, A
; write DAC LSW
; R0 selects DAC LSW
MOV
INC
INC
ANL
MOV
A,rolling_ptr ; load ACC with rolling pointer again
A
; increment the ACC twice, to get next sample
A
A,#003FH ; wrap back round to 0 if >64
rolling_ptr,A ; move value held in ACC back to the rolling pointer
CLR
SETB
T1
T1
; set LDACB = 0 (update DAC)
; set LDACB = 1
POP
POP
ACC
PSW
RETI
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; Set up stack
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
RSEG
STACK
DS 10h
; 16 Byte Stack!
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; Main Program
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
RSEG
MAIN
start:
MOV
SP,#STACK–1
; first set Stack Pointer
CLR
MOV
MOV
MOV
A
rolling_ptr,A; set rolling pointer to 0
TMOD,#002H
; set timer 0 to mode 2 – auto–reload
TH0,#0CEH
; set timer 2 re–load value for 20 kHz interrupts
MOV
P2, #080H
; set A15 of address bus high to ’memory map’
; device up beyond used address space
相關(guān)PDF資料
PDF描述
TLV5633I 2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN
TLV5636D 2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
TLV5636DGK 2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
TLV5637D 2.7 V TO 5.5 V LOW POWER DUAL 10-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
tlv5639(中文) 2.7V to 5.5V Low Power 12-Bit Digital-to-Analog Converters with Internal Reference and Power Down(2.7V-5.5V,12位低功耗,帶自動(dòng)掉電和內(nèi)部基準(zhǔn)的DAC)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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TLV5633CDWG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12bit D/A 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
TLV5633CDWR 功能描述:數(shù)模轉(zhuǎn)換器- DAC 2.7-5.5-V Low Power 12-Bit DAC 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
TLV5633CDWRG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 2.7-5.5-V Low Power 12-Bit DAC 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
TLV5633CPW 功能描述:數(shù)模轉(zhuǎn)換器- DAC 2.7-5.5-V Low Power 12-Bit DAC 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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