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參數資料
| 型號： | TLV5614CPWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, PDSO16 |
| 封裝： | GREEN, PLASTIC, TSSOP-16 |
| 文件頁數： | 11/34頁 |
| 文件大小： | 737K |
| 代理商： | TLV5614CPWRG4 |
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TLV5614
2.7-V TO 5.5-V 12-BIT 3-
S QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS188B – SEPTEMBER 1998 – REVISED APRIL 2003
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
next
idle
;wait for interrupt
b
next
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; all else fails stop here
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
done
b
done
;hang there
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; Interrupt Service Routines
;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
int1
ret
; do nothing and return
int23
ret
; do nothing and return
timer_isr:
in
iosr_stat, IOSR; store IOSR value into variable space
lacl
iosr_stat
; load acc with iosr status
and
#0FFFDh
; reset IO1 – LDAC low
sacl
temp
;
out
temp, IOSR
;
or
#0002h
; set IO1 – LDAC high
sacl
temp
;
out
temp, IOSR
;
and
#0FFFEh
; reset IO0 – CS low
sacl
temp
;
out
temp, IOSR
;
lacl
r_ptr
; load rolling pointer to accumulator
add
#sinevals
; add pointer to table start
sacl
DACa_ptr
; to get a pointer for next DAC a sample
add
#08h
; add 8 to get to DAC C pointer
sacl
DACc_ptr
add
#08h
; add 8 to get to DAC B pointer
sacl
DACb_ptr
add
#08h
; add 8 to get to DAC D pointer
sacl
DACd_ptr
mar
*,ar0
; set ar0 as current AR
; DAC A
lar
ar0, DACa_ptr ; ar0 points to DAC a sample
lacl
*
; get DAC a sample into accumulator
or
#DACa_control ; OR in DAC A control bits
sacl
temp
;
out
temp, SDTR
; send data
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
; We must wait for transmission to complete before writing next word to the SDTR.;
TLV5614/04 interface does not allow the use of burst mode with the full packet; rate, as
we need a CLKX –ve edge to clock in last bit before FS goes high again,; to allow SPI
compatibility.
;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
rpt
#016h
; wait long enough for this configuration
nop
; of MCLK/CLKOUT1 rate
; DAC B
lar
ar0, dacb_ptr ; ar0 points to DAC a sample
lacl
*
; get DAC a sample into accumulator
or
#DACb_control ; OR in DAC B control bits
sacl
temp
;
out
temp, SDTR
; send data
rpt
#016h
; wait long enough for this configuration
nop
; of MCLK/CLKOUT1 rate
; DAC C
lar
ar0, dacc_ptr ; ar0 points to dac a sample
lacl
*
; get DAC a sample into accumulator
or
#DACc_control ; OR in DAC C control bits
sacl
temp
;
out
temp, SDTR; send data
rpt
#016h
; wait long enough for this configuration
nop
; of MCLK/CLKOUT1 rate
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV5614D | 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-mS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN |
| 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:數模轉換器- DAC 10bit Quad Serial 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 |
| TLV5614ID | 制造商:Texas Instruments 功能描述:12-BIT QUADRUPLE DIGITAL/ANALOG CONVERTE |
| TLV5614IDG4 | 功能描述:數模轉換器- DAC 12-Bit 3 us Quad DAC Serial Input 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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