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參數(shù)資料
| 型號： | EVAL-AD7156EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD7156 |
| 標準包裝： | 1 |
| 傳感器類型： | 觸摸，電容式 |
| 接口： | I²C |
| 電源電壓： | 1.8 V ~ 3.6 V |
| 嵌入式： | 否 |
| 已供物品： | 板，CD |
| 已用 IC / 零件： | AD7156 |
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AD7156
Rev. 0 | Page 16 of 28
STATUS REGISTER
Address Pointer 0x00
8 Bits, Read Only
Default Value 0x53 Before Conversion, 0x54 After Conversion
The status register indicates the status of the part. The register can be read via the 2-wire serial interface to query the status of the outputs,
check the CDC finished conversion, and check whether the CAPDAC has been changed by the auto-DAC function.
Table 6. Status Register Bit Map1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PwrDown
DacStep2
OUT2
DacStep1
OUT1
C1/C2
RDY2
RDY1
(0)
(1)
(0)
(1)
(0)
(1)
1 The default values are given in parentheses.
Table 7. Status Register Bit Descriptions
Bit
Mnemonic
Description
7
PwrDown
PwrDown = 1 indicates that the part is in a power-down.
6
DacStep2
DacStep2 = 0 indicates that the Channel 2 CAPDAC value was changed after the last CDC conversion as part of
the auto-DAC function. The bit value is updated after each finished CDC conversion on this channel.
5
OUT2
OUT2 = 1 indicates that the Channel 2 data (CIN2 capacitance) crossed the threshold, according to the selected
comparator mode of operation. The bit value is updated after each finished CDC conversion on this channel.
4
DacStep1
DacStep1 = 0 indicates that the Channel 1 CAPDAC value was changed during the last conversion as part of the
auto-DAC function. The bit value is updated after each finished CDC conversion on this channel.
3
OUT1
OUT1 = 1 indicates that the Channel 1 data (CIN1 capacitance) crossed the threshold, according to the selected
comparator mode of operation. The bit value is updated after each finished CDC conversion on this channel.
2
C1/C2
C1/C2 = 0 indicates that the last finished CDC conversion was on Channel 1.
C1/C2 = 1 indicates that the last finished CDC conversion was on Channel 2.
1
RDY2
RDY2 = 0 indicates a finished CDC conversion on Channel 2. The bit is reset back to 1 when the Channel 2 data
register is read via the serial interface or after a part reset or power-up.
0
RDY1
RDY1 = 0 indicates a finished CDC conversion on Channel 1. The bit is reset back to 1 when the Channel 1 data
register is read via serial interface or after a part reset or power-up.
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7156EBZ | 制造商:Analog Devices 功能描述:EVAL BOARD, AD7156 2CH CAPACITANCE CONVE |
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| EVAL-AD7173-8SDZ | 制造商:Analog Devices 功能描述:EVAL BOARD MULTI CHANNEL - Boxed Product (Development Kits) |
| EVAL-AD7175-8SDZ | 功能描述:AD7175-8 - 24 Bit 250k Samples per Second Analog to Digital Converter (ADC) Evaluation Board 制造商:analog devices inc. 系列:- 零件狀態(tài):有效 A/D 轉(zhuǎn)換器數(shù):1 位數(shù):24 采樣率（每秒）:250k 數(shù)據(jù)接口:并聯(lián) 輸入范圍:±VREF 不同條件下的功率（典型值）:105mW @ 250kSPS 使用的 IC/零件:AD7175-8 所含物品:板，電源 標準包裝:1 |
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