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參數(shù)資料
| 型號： | AD5170EVAL |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | 256-Position Two-Time Programmable I2C Digital Potentiometer |
| 中文描述： | 256位二時(shí)間的I2C可編程數(shù)字電位器 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 900K |
| 代理商： | AD5170EVAL |
AD5170
Rev. A | Page 19 of 24
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SCL
SDA
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Figure 44. I
2
C Interface Detailed Timing Diagram
0
SCL
START BY
MASTER
SDA
0
1
1
FRAME 1
SLAVE ADDRESS BYTE
0
1
1
AD1 AD0
FRAME 2
INSTRUCTION BYTE
ACK BY
AD5170
R/W
A0
SD
0
OW
X
X
X
1
9
D7
D6
D5
D4
D3
ACK BY
AD5170
FRAME 3
DATA BYTE
1
9
T
STOP BY
MASTER
9
D2
D1
D0
ACK BY
AD5170
Figure 45. Writing to the RDAC Register
0
SCL
START BY
MASTER
SDA
0
1
1
FRAME 1
SLAVE ADDRESS BYTE
0
1
1
AD1 AD0
FRAME 2
INSTRUCTION BYTE
ACK BY
AD5170
R/W
D7
D6
D4
D3
D2
D1
D0
1
9
E1
E0
X
X
X
ACK BY
MASTER
FRAME 3
DATA BYTE
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9
D5
STOP BY
MASTER
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X
X
X
NO ACK
BY MASTER
Figure 46. Reading Data from the RDAC Register
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