AD5232

Data Sheet

Rev. C | Page 6 of 24

Timing Diagrams

CPOL = 1

CLK

B16*

B15

(MSB)

B15

(MSB)

HIGH

OR LOW

HIGH

OR LOW

B15

B0

B0

(LSB)

B0

(LSB)

RDY

CPHA = 1

SDO

SDI

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

CLK

CPOL = 0

SDO

B15

B0

HIGH

OR LOW

HIGH

OR LOW

SDI

RDY

CPHA = 0

*

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