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參數資料
| 型號： | TLV5616CDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | GREEN, PLASTIC, SOIC-8 |
| 文件頁數： | 8/28頁 |
| 文件大小： | 698K |
| 代理商： | TLV5616CDR |
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TLV5616C, TLV5616I
2.7V TO 5.5V LOW POWER 12BIT DIGITALTOANALOG
CONVERTERS WITH POWER DOWN
SLAS152D DECEMBER 1997 REVISED APRIL 2004
16
WWW.TI.COM
APPLICATION INFORMATION
LJMP
start
; Execution starts at address 0 on powerup.
;
; Code in the timer0 interrupt vector
;
CSEG AT
0BH
LJMP
timer0isr ; Jump vector for timer 0 interrupt is 000Bh
;
; Define program variables
;
RSEG
VAR1
rolling_ptr: DS
1
;
; Interrupt service routine for timer 0 interrupts
;
RSEG
ISR
timer0isr:
PUSH
PSW
PUSH
ACC
CLR
T0
; set CSB low
CLR
T1
; set FS low
; The signal to be output on the dac is a sine function. One cycle of a sine wave is
; held in a table @ sinevals 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,#sinevals
; set DPTR to the start of the table of sine signal values
MOV
A,rolling_ptr
; ACC loaded with the pointer into the sine table
MOVC
A,@A+DPTR
; get msb from the table
ORL
A, #00H
; set control bits
MOV
SBUF,A
; send out msb of data word
MOV A,rolling_ptr ; move rolling pointer in to ACC
INC
A
; increment ACC holding the rolling pointer
MOVC
A,@A+DPTR
; which is the lsb of this sample, now in ACC
MSB_TX:
JNB
TI, MSB_TX
; wait for transmit to complete
CLR
TI
; clear for new transmit
MOV
SBUF,A
; and send out the lsb
LSB_TX:
JNB
TI, LSB_TX
; wait for lsb transmit to complete
SETB
T1
; set FS = 1
CLR
TI
; clear for new transmit
MOV
A,rolling_ptr
; load ACC with rolling pointer
INC
A
; increment the ACC twice, to get next sample
INC
A
ANL
A,#03FH
; wrap back round to 0 if >64
MOV
rolling_ptr,A
; move value held in ACC back to the rolling pointer
SETB
T0
; CSB high
POP
ACC
POP
PSW
RETI
;
; Set up stack
;
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV5616CDRG4 | 功能描述:數模轉換器- DAC 2.7-5.5 V Low Power 12-Bit RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| TLV5616CP | 功能描述:數模轉換器- DAC 12bit DAC w/Pwr D RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| TLV5616CPE4 | 功能描述:數模轉換器- DAC 2.7-5.5 V Low Power 12-Bit RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| TLV5616I | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN |
| TLV5616ID | 功能描述:數模轉換器- DAC 12bit DAC w/Pwr D RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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