AD5232
Timing Diagrams
CPHA = 1
Data Sheet
CS
t
12
t
3
t
2
t
1
t
5
B15
B0
t
13
CLK
CPOL = 1
t
4
t
7
HIGH
OR LOW
t
17
t
6
B15
(MSB)
B0
(LSB)
SDI
HIGH
OR LOW
t
8
SDO
B16*
B15
(MSB)
t
10
t
11
B0
(LSB)
t
9
t
14
RDY
t
15
t
16
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
B15
(MSB)
t
12
t
1
B15
B0
(LSB)
t
3
B0
t
13
t
17
t
2
CLK
CPOL = 0
t
5
t
4
t
7
t
6
HIGH
OR LOW
HIGH
OR LOW
SDI
B15
(MSB IN)
B0
(LSB)
t
8
t
10
t
11
t
9
SDO
B15
(MSB OUT)
B0
(LSB)
*
t
14
RDY
t
15
t
16
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
02618-003
02618-002
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