Datasheet

Data Sheet AD5235
Rev. F | Page 7 of 32
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
B24*
B23 (MSB) B0 (LSB)
B23 (MSB)
HIGH
OR LOW
HIGH
OR LOW
B23 B0
B0 (LSB)
RDY
CPHA = 1
t
10
t
7
t
6
t
14
t
15
t
16
*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.
SDO
SDI
02816-002
CS
Figure 2. CPHA = 1 Timing Diagram
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
B23 (MSB OUT) B0 (LSB)
SDO
B23 (MSB IN)
B23 B0
HIGH
OR LOW
HIGH
OR LOW
B0 (LSB)
SDI
RDY
CPHA = 0
t
10
t
7
t
6
t
14
t
15
t
16
*THE EXT
RA BIT THAT IS NOT DEFINED IS NORMALLY THE MSB OF THE CHARAC
TER JUST RECEIVED.
THE CPOL = 0 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
*
CS
02816-003
Figure 3. CPHA = 0 Timing Diagram