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參數(shù)資料
| 型號： | EVAL-AD7992EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD7992 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 188k |
| 數(shù)據(jù)接口： | I²C，串行 |
| 輸入范圍： | 0 ~ VREF |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 7.7mW @ 188kSPS，5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 已用 IC / 零件： | AD7992 |
| 已供物品： | 板，線纜 |
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AD7992
Rev. 0 | Page 22 of 28
WRITING TWO BYTES OF DATA TO A LIMIT
REGISTER OR HYSTERESIS REGISTER
Each of the limit registers and hysteresis registers are 12-bit
registers, so two bytes of data are required to write a value to
any one of them. Writing two bytes of data to one of these
registers consists of the serial bus write address, the chosen
limit register address written to the address pointer register,
followed by two data bytes written to the selected data register.
See Figure 27.
If the master is write-addressing the AD7992, it can write to
more than one register with out re-addressing the ADC. After
the first write operation has completed for the first data register,
during the next byte, the master writes to the address pointer
byte to select the next data register for a write operation. This
eliminates the need to re-address the device in order to write to
another data register.
SDA
ACK. BY
AD7992
ACK. BY
AD7992
11
9
C4
C3
C2
P2
P1
P0
R/W
A0
A1
A2
A3
0
SCL
1
C1
P3
1
99
D7
D6
D5
D2
D1/0
D0/0
D4
D3
ACK. BY
AD7992
STOP BY
MASTER
LEAST SIGNIFICANT DATA BYTE
MOST SIGNIFICANT DATA BYTE
SCL (CONTINUED)
SDA (CONTINUED)
FRAME 1
SERIAL BUS ADDRESS BYTE
START BY
MASTER
FRAME 2
ADDRESS POINTER REGISTER
91
0
00
D10
D9
D8
0
D11
ACK. BY
AD7992
03263-0-008
Figure 27. Two-Byte Write Sequence
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7993CB | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD. - Bulk |
| EVAL-AD7993CBZ | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD. - Bulk |
| EVAL-AD7993EBZ | 功能描述:BOARD EVAL FOR AD7993 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7994CB | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD. - Bulk |
| EVAL-AD7994CBZ | 制造商:Analog Devices 功能描述:EVALUATION CONTROL BOARD. - Bulk |
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