4.2.2

SPI write

CS

SPC

SDI

RW

DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0

AD5 AD4 AD3 AD2 AD1 AD0

AD6

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

adding blocks of 8 clock pulses to the previous one.

bit 0: WRITE bit. The value is 0.

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

bit 8-15: data DI(7:0) (write mode). This is the data that is written inside the device (MSb first).

bit 16-... : data DI(...-8). Further data in multiple byte writes.

CS

SPC

SDI

RW

AD5 AD4 AD3 AD2 AD1 AD0

DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0 DI15 DI14 DI13 DI12 DI11 DI10 DI9 DI8

AD6

IIS3DHHC

SPI bus interface

DS12292 - Rev 3

page 10/30