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| 型号： | XRD98L23ACU-F |
| 厂商： | Exar Corporation |
| 文件页数： | 21/32页 |
| 文件大小： | 0K |
| 描述： | IC 8B CCD/CIS SIG PROC 20SSOP |
| 标准包装： | 66 |
| 位数： | 8 |
| 通道数： | 3 |
| 电压 - 电源，模拟： | 3 V ~ 3.6 V |
| 电压 - 电源，数字： | 3 V ~ 3.6 V |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 管件 |
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XRD98L23
28
Rev. 1.00
Serial Load Control Registers
The serial load registers are controlled by a three wire
serial interface through the bi-directional parallel port to
reduce the pin count of this device. When SYNCH is set
to high, the output bus is tri-stated and the serial
interface is activated. DB7/LD, DB5/SCLK and DB6/
SDATA are the three input signals that control this
process. The DB7/LD signal is set low to initiate the
loading of the internal registers.
There are internal registers that are accessed via an 11-
bit data string. Data is shifted in on the rising edge of
SCLK and loaded to the registers on the rising edge of
LD. The data on pin DB6/SDATA is latched automati-
cally after eleven DB5/SCLKs have been counted. If
eleven clocks are not present on DB5/SCLK before the
DB7/LD signal returns high, no data will be loaded into
the internal registers.
If more than 11 clocks are
present on DB5/SCLK, the additional clocks will be
ignored. The data corresponding to the first eleven
DB5/SCLKs will be loaded only.
The first three MSBs choose which internal register will
be selected. The remaining 8 LSBs contain the data
needed for programming the internal register for a
particular configuration.
Power-Up State of the Internal Registers
The control register settings upon initial power-up are
for CIS, DC Coupled configuration (V
RT is set to internal,
Input DC Reference=AGND and the input to the ADC is
selected through the RED channel). Gain is unity and
Offset is set to zero. The test modes are disabled in the
power-up state.
DB6/SDATA
DB5/SCLK
SYNCH
S2
S1
S0
D7
D2
D1
D0
DB7/LD
tdl
tdz
tsclkw
tds tdh
Figure 22. Write Timing
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相关代理商/技术参数 |
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| XRD98L23ACUTR-F | 功能描述:视频模拟/数字化转换器集成电路 XRD98L23ACUTR-F RoHS:否 制造商:Texas Instruments 输入信号类型:Differential 转换器数量:1 ADC 输入端数量:4 转换速率:3 Gbps 分辨率:8 bit 结构: 输入电压:3.3 V 接口类型:SPI 信噪比: 电压参考: 电源电压-最大:3.45 V 电源电压-最小:3.15 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TCSP-48 封装:Reel |
| XRD98L23UEVAL | 功能描述:数据转换 IC 开发工具 Eval Board for XRD98L23ACU RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| XRD98L53 | 制造商:EXAR 制造商全称:EXAR 功能描述:CCD Image Digitizers with CDS, PGA, and 10-bit A/D |
| XRD98L53AIV | 制造商:EXAR 制造商全称:EXAR 功能描述:CCD Image Digitizers with CDS, PGA, and 10-bit A/D |
| XRD98L55 | 制造商:EXAR 制造商全称:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 10-Bit A/D |
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