LSM6DSO datasheet(21/172 Pages) STMICROELECTRONICS

tên linh kiện	LSM6DSO

Giải thích chi tiết về linh kiện	iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope

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Figure 9. Multiple byte SPI read protocol (2-byte example) (in mode 3)

SPC

SDI

SDO

DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0

AD5 AD4 AD3 AD2 AD1 AD0

DO15 DO14DO13DO12 DO11DO10 DO9 DO8

AD6

SPI write

Figure 10. SPI write protocol (in mode 3)

SPC

SDI

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. A 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.

Figure 11. Multiple byte SPI write protocol (2-byte example) (in mode 3)

SPC

SDI

AD5 AD4 AD3 AD2 AD1 AD0

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

AD6

SPI read in 3-wire mode

A 3-wire mode is entered by setting the CTRL3_C (12h) (SIM) bit equal to ‘1’ (SPI serial interface mode

selection).

LSM6DSO

I²C/SPI interface

DS12140 - Rev 2

page 21/172

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