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Revision 2.3

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AS8525

Datasheet - Application In form atio n

Figure 20. Timing for Writing

Figure 21. Timing for Reading

8.9 Configuration and Diagnostic Registers

The serial interface can be used for communication between AS8525 and an external microcontroller. The device is only a slave and the

microcontroller has to initiate the communication. The device can be configured by writing into the control registers and the diagnostic

information can be read out from the diagnostic registers.

CS

SDI

SDO

SCLK

...

...

...

t

CPS

t

CPHD

t

DIS

t

DIH

CLK

polarity

DATAI

DATAI

DATAI

...

t CSH

t

SCLKH

t

SCLKL

CS

SCLK

SDI

SDO

t

DOHZ

t

DOD

DATAI

DATAI

DATAO (D7)

DATAO (D0)

t

SCLKH

t

SCLKL