AD51231 查看數據表（PDF） - Analog Devices

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AD51231

Quad Channel, 128-/256-Position, I2C, Nonvolatile Digital Potentiometer

Analog Devices 

AD5123/AD5143

Data Sheet

SHIFT REGISTER AND TIMING DIAGRAMS

DB15 (MSB)

DB8 DB7

DB0 (LSB)

C3 C2 C1 C0 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0

CONTROL BITS

DATA BITS

ADDRESS BITS

Figure 2. Input Shift Register Contents

SCL

t6

SDA

t7

PS

t11

t2

t4

t12

t6

t1

t5

t3

t10

S

Figure 3. I2C Serial Interface Timing Diagram (Typical Write Sequence)

t8

t9

P

Rev. A | Page 10 of 28

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