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AD5247BKSZ100-R2 数据表(PDF) 13 Page - Analog Devices

部件名 AD5247BKSZ100-R2
功能描述  128-Position I2C-Compatible Digital Potentiometer
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD5247BKSZ100-R2 数据表(HTML) 13 Page - Analog Devices

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Data Sheet
AD5247
Rev. F | Page 13 of 20
I2C INTERFACE
The following abbreviations are used in this section:
•
S = start condition
•
P = stop condition
•
A = acknowledge
•
X = don’t care
•
W = write
•
R = read
•
A6, A5, A4, A3, A2, A1, A0 = address bits
•
D6, D5, D4, D3, D2, D1, D0 = data bits
Table 6. Write Mode
S
A6
A5
A4
A3
A2
A1
A0
W
A
X
D6
D5
D4
D3
D2
D1
D0
A
P
Slave Address Byte
Data Byte
Table 7. Read Mode
S
A6
A5
A4
A3
A2
A1
A0
R
A
0
D6
D5
D4
D3
D2
D1
D0
A
P
Slave Address Byte
Data Byte
SCL
FRAME 1
SLAVE ADDRESS BYTE
FRAME 2
DATA BYTE
START BY
MASTER
ACK BY
AD5247
STOP BY
MASTER
SDA
R/W
X
D6
D4
D3
D2
D1
D0
1
1
9
ACK BY
AD5247
1
9
D5
A6
A4
A3
A2
A1
A0
ACK
A5
Figure 33. Writing to the RDAC Register
SCL
FRAME 1
SLAVE ADDRESS BYTE
FRAME 2
RDAC REGISTER
START BY
MASTER
ACK BY
AD5247
STOP BY
MASTER
S
R/W
0
D6
D4
D3
D2
D1
D0
1
1
9
NO ACK BY
MASTER
9
D5
A6
A4
A3
A2
A1
A0
A5
Figure 34. Reading from the RDAC Register
Table 8. I2C Slave Addresses
Model
Slave Addresses
Model
Slave Address
A6
A5
A4
A3
A2
A1
A0
A6
A5
A4
A3
A2
A1
A0
AD5247BKS5-R2
0
1
0
1
1
1
0
AD5247BKS50-RL7
0
1
0
1
1
1
0
AD5247BKS5-RL7
0
1
0
1
1
1
0
AD5247BKSZ50-RL7
0
1
0
1
1
1
0
AD5247BKSZ5-RL7
0
1
0
1
1
1
0
AD5247BKS100-R2
0
1
0
1
1
1
0
AD5247BKS10-R2
0
1
0
1
1
1
0
AD5247BKSZ100-R2
0
1
0
1
1
1
0
AD5247BKS10-RL7
0
1
0
1
1
1
0
AD5247BKS100-RL7
0
1
0
1
1
1
0
AD5247BKSZ10-RL7
0
1
0
1
1
1
0
AD5247BKSZ100-RL7
0
1
0
1
1
1
0
AD5247BKSZ10-1RL7
0
0
1
0
1
1
1
AD5247BKSZ100-1RL7
0
0
1
0
1
1
1
AD5247BKSZ10-2RL7
0
0
1
0
1
1
0
AD5247BKSZ100-2RL7
0
0
1
0
1
1
0
AD5247BKS50-R2
0
1
0
1
1
1
0



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