4.2.1

SPI read

CS

SPC

SDI

SDO

RW

DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0

AD5 AD4 AD3 AD2 AD1 AD0

AD6

The SPI read command is performed with 16 clock pulses. The multiple byte read command is performed by

adding blocks of 8 clock pulses to the previous one.

bit 0: READ bit. The value is 1.

bit 1-7: address AD(6:0). This is the address field of the indexed register.

bit 8-15: data DO(7:0) (read mode). This is the data that will be read from the device (MSb first).

bit 16-... : data DO(...-8). Further data in multiple byte reads.

CS

SPC

SDI

SDO

RW

DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0

AD5 AD4 AD3 AD2 AD1 AD0

DO15DO14DO13DO12DO11DO10DO9 DO8

AD6

IIS3DHHC

SPI bus interface

DS12292 - Rev 3

page 9/30