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| 型号： | XRD98L61ZEVAL |
| 厂商： | Exar Corporation |
| 文件页数： | 8/38页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XRD98L61AIV |
| 标准包装： | 1 |
| 系列： | * |
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XRD98L61
16
Rev. 2.00
SERIAL INTERFACE READ BACK
The readback function is used to view the content of
the serial interface registers as well as several key
registers in the calibration logic. Readback is enabled
by writing a 1 to the RBenable bit of the Readback
register, bit D9 of register 62.
In the readback mode, the content of the selected
register is output on the 10 MSBs of the ADC output
bus pins DB[11:2]. As long as valid clocks and CCD
signal are applied, the calibration will continue to
function properly during readback (internally the ADC
data is still sent to the calibration logic).
RBenable RBreg
8
RBreg
7
RBreg
6
RBreg
5
Rbreg
4
RBreg
3
RBreg
2
RBreg
1
RBreg
0
Selected Register
0
x
none (ADC data output)
1
0
Gain
1
0
1
Offset
1
0
1
0
Calibration
1
0
1
Wait A
1
0
1
0
Wait B
1
0
1
0
1
OB Lines
1
0
1
0
CDAC
1
0
1
FDAC
1
0
1
0
Control
1
0
1
0
1
Polarity
1
0
1
0
1
0
Clock
1
0
1
0
1
Delay A
1
0
1
0
Delay B
1
0
1
0
1
DAC0
1
0
1
0
DAC1
1
0
1
0
ReadBack
1
0
1
Reset
1
0
1
x
FDAC output from Cal. logic
1
0
1
0
x
CDAC output from Cal. logic
1
0
1
x
Avg. output from Cal logic
Table 2. Read-back Register Selection
Registers are selected for readback by writing to the
RBreg[8:0] bits in the Readback register, bits D8 to D0
of register 62. If RBreg[8:6]=000, then RBreg[5:0] are
used to address the serial interface registers. Currently
only register addresses 0 to 14, 62 and 63 are defined.
If RBreg[8:6]
≠000, then RBreg[5:0] are ignored and
RBreg[8:6] are used to address registers in the calibra-
tion logic. Currently only three calibration registers are
accessible.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRD98L62 | 制造商:EXAR 制造商全称:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D |
| XRD98L62ACV | 制造商:EXAR 制造商全称:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D |
| XRD98L62ACV-F | 功能描述:视频 IC RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| XRD98L62EVAL | 功能描述:数据转换 IC 开发工具 XRD98L62 EVAL BOARD 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 |
| XRD98L62ZEVAL | 功能描述:数据转换 IC 开发工具 Eval Board (Solder) XRD98L62AIV 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 |
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