Datasheet

AD5232 Data Sheet
Rev. C | Page 6 of 24
Timing Diagrams
CPOL = 1
t
12
t
13
t
3
t
17
t
9
t
11
t
5
t
4
t
2
t
1
CLK
t
8
B16*
B15
(MSB)
B15
(MSB)
HIGH
OR LOW
HIGH
OR LOW
B15 B0
B0
(LSB)
B0
(LSB)
RDY
CPHA = 1
t
10
t
7
t
6
t
14
t
15
t
16
SDO
SDI
02618-002
CS
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
t
12
t
13
t
3
t
17
t
9
t
11
t
5
t
4
t
2
t
1
CLK
CPOL = 0
t
8
SDO
B15 B0
HIGH
OR LOW
HIGH
OR LOW
SDI
RDY
CPHA = 0
t
10
t
7
t
6
t
14
t
15
t
16
*
02618-003
CS
B15
(MSB IN)
B15
(MSB)
B0
(LSB)
B15
(MSB OUT)
B0
(LSB)
B0
(LSB)
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