Datasheet

AD5233
Rev. B | Page 6 of 32
RDY
SDO
CPHA = 1
B15
B0
B16*
*EXTRA BIT THAT IS NOT DEFINED, BUT NORMALLY LSB OF CHARACTER PREVIOUSLY TRANSMITTED.
THE CPOL = 1 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
CLK
CPOL = 1
t
2
t
1
t
5
t
10
t
8
t
14
t
11
t
9
t
15
t
16
t
17
t
13
t
12
t
3
t
4
B15
(MSB)
B0
(LSB)
B15
(MSB)
B0
(LSB)
SDI
HIGH OR
LOW
HIGH OR LOW
t
6
t
7
CS
02794-002
Figure 2. CPHA = 1 Timing Diagram
CLK
CPOL = 0
SDO
B15
(MSB)
B0
(LSB)
B15
(MSB OUT)
B0
(LSB)
B15 B0
HIGH
OR LOW
HIGH
OR LOW
SDI
RDY
CPHA = 0
* NOT DEFINED, BUT NORMALLY MSB OF CHARACTER PREVIOUSLY RECEIVED.
THE CPOL = 0 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
*
CS
t
2
t
1
t
4
t
5
t
7
t
6
t
10
t
8
t
14
t
11
t
9
t
12
t
3
t
13
t
17
t
15
t
16
02794-003
Figure 3. CPHA = 0 Timing Diagram