AD5232
Data Sheet
Timing Diagrams
CPHA = 1
CS
t12
t13
t3
t1
t2
CLK
CPOL = 1
t5
B15
t4
B0
t17
t7
t6
HIGH
HIGH
B15
(MSB)
B0
(LSB)
OR LOW
OR LOW
SDI
t8
t11
t9
t10
B15
(MSB)
B0
(LSB)
B16*
SDO
t14
t15
t16
RDY
NOTES
1. B24 IS AN EXTRA BIT THAT IS NOT DEFINED, BUT IT IS USUALLY THE LSB OF THE CHARACTER THAT WAS PREVIOUSLY TRANSMITTED.
2. THE CPOL = 1 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
Figure 2. CPHA = 1
CPHA = 0
CS
t12
B15
(MSB)
B0
(LSB)
t1
t3
t13
t2
t5
B15
t4
B0
t17
CLK
CPOL = 0
t7
t6
HIGH
HIGH
OR LOW
OR LOW
B15
(MSB IN)
B0
(LSB)
SDI
SDO
RDY
t8
t10
t11
t9
B15
(MSB OUT)
B0
(LSB)
*
t14
t15
t16
NOTES
1. THIS EXTRA BIT IS NOT DEFINED, BUT IT IS USUALLY THE MSB OF THE CHARACTER THAT WAS JUST RECEIVED.
2. THE CPOL = 0 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
Figure 3. CPHA = 0
Rev. C | Page 6 of 24
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