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AD5235 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD5235 Nonvolatile Memory, Dual 1024-Position Digital Potentiometer ADI
Analog Devices ADI
AD5235 Datasheet PDF : 32 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Timing Diagrams
CS
CPHA = 1
t2
CLK
CPOL = 1
HIGH
SDI OR LOW
t8
SDO
B24*
t1
t5
B23
t4
B23 (MSB)
t7
t6
t10
B23 (MSB)
AD5235
t3
B0
t12
t13
t17
B0 (LSB)
t11
t9
B0 (LSB)
HIGH
OR LOW
t14
RDY
t15
t16
*THE EXTRA BIT THAT IS NOT DEFINED IS NORMALLY THE LSB OF THE CHARACTER PREVIOUSLY TRANSMITTED.
THE CPOL = 1 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
Figure 2. CPHA = 1 Timing Diagram
CS
CLK
CPOL = 0
HIGH
OR LOW
SDI
t1
t2
B23
t5
t4
t7
t6
B23 (MSB IN)
t8
t10
CPHA = 0
SDO
B23 (MSB OUT)
t3
B0
t12
t13
t17
B0 (LSB)
t11
B0 (LSB)
HIGH
OR LOW
t9
*
t14
RDY
t15
t16
*THE EXTRA BIT THAT IS NOT DEFINED IS NORMALLY THE MSB OF THE CHARACTER JUST RECEIVED.
THE CPOL = 0 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
Figure 3. CPHA = 0 Timing Diagram
Rev. E | Page 7 of 32
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