参数资料
型号: TLV5614CDG4
厂商: TEXAS INSTRUMENTS INC
元件分类: DAC
英文描述: SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, PDSO16
封装: GREEN, PLASTIC, MS-012AC, SOIC-16
文件页数: 11/34页
文件大小: 737K
代理商: TLV5614CDG4
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
相关PDF资料
PDF描述
TLV5614CPWG4 SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, PDSO16
TLV5614IPWLE QUAD, SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, PDSO16
TLV5614CPWLE QUAD, SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, PDSO16
TLV5614IYE SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, UUC16
TLV5614IYER SERIAL INPUT LOADING, 9 us SETTLING TIME, 12-BIT DAC, UUC16
相关代理商/技术参数
参数描述
TLV5614CDR 功能描述:数模转换器- DAC 12-Bit 3 us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
TLV5614CDRG4 功能描述:数模转换器- DAC 12-Bit 3 us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
TLV5614CPW 功能描述:数模转换器- DAC 10bit Quad Serial RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
TLV5614CPW 制造商:Texas Instruments 功能描述:12BIT DAC QUAD SMD TSSOP16 制造商:Texas Instruments 功能描述:12BIT DAC, QUAD, SMD, TSSOP16
TLV5614CPWG4 功能描述:数模转换器- DAC 12-Bit 3 us Quad DAC Serial Input RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube