参数资料
型号: AD5246BKS10-RL7
厂商: ANALOG DEVICES INC
元件分类: 数字电位计
英文描述: 128-Position I2C Compatible Digital Resistor
中文描述: 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO6
封装: 2 X 2.10 MM, MO-203AB, SC-70, 6 PIN
文件页数: 11/20页
文件大小: 991K
代理商: AD5246BKS10-RL7
AD5246
I
2
C INTERFACE
Table 5. Write Mode
S
0
1
0
Slave Address Byte
1
1
1
0
W
A
X
D6
D5
D4
Data Byte
D3
D2
D1
D0
A
P
Table 6. Read Mode
S
0
1
0
1
1
1
0
R
A
0
D6
D5
D4
Data Byte
D3
D2
D1
D0
A
P
Slave Address Byte
S = Start Condition.
P = Stop Condition.
A = Acknowledge.
X = Don’t Care.
W = Write.
R = Read.
D6, D5, D4, D3, D2, D1, D0 = Data Bits.
t
1
t
3
t
4
t
2
t
7
t
8
t
9
P
S
P
S
t
10
t
5
t
9
t
8
SCL
SDA
t
2
t
6
0
Figure 25. I
2
C Interface, Detailed Timing Diagram
SCL
DFRAME 2
START BY
MASTER
ACK BY
AD5246
SLAVE FRAME 1
STOP BY
MASTER
SDA
0
1
0
1
1 1
0
R/W
X
D6
D4
D3
D2
D1
D0
1
1
9
ACK BY
AD5246
1
9
D5
0
Figure 26. Writing to the RDAC Register
NO ACK
BY MASTSTOP BY
SCL
SDA
0
1
0
1
1 1
0
R/W
0
D6
D5
D4
D3
D2
D1
D0
1
9
1
9
FRAME 1
RDFRAME 2
START BY
MASTER
ACK BY
AD5246
SLAVE ADDRESS BYTE
MASTER
0
Figure 27. Reading from the RDAC Register
Rev. 0 | Page 11 of 20
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