lsm330dlc STMicroelectronics, lsm330dlc Datasheet - Page 38

• Manufacturer Part Number: lsm330dlc
• Description: Inemo Inertial Module 3d Accelerometer And 3d Gyroscope
• Manufacturer: STMicroelectronics

Digital interfaces
6.2.2
6.2.3
38/67
SPI write
Figure 17. SPI write protocol
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: MS bit. When 0, do not increment address; when 1, increment address in multiple
writing.
bit 2 -7: address AD(5:0). This is the address field of the indexed register.
bit 8-15: data DI(7:0) (Write mode). This is the data that will be written to the device (MSb
first).
bit 16-... : data DI(...-8). Further data in multiple-byte writing.
Figure 18. Multiple bytes SPI write protocol (2 bytes example)
SPI read in 3-wire mode
3-wire mode is entered by setting the SIM bit to ‘1’ (SPI serial interface mode selection) in
the
SPC
SPC
SDI
SDI
CS
CS
CTRL_REG4_G
RW
MS
RW
AD5 AD4 AD3 AD2 AD1 AD 0
MS
register.
AD5 AD 4 AD 3 AD2 AD 1 AD0
Doc ID 022162 Rev 1
DI7 D I6 DI5 D I4 DI3 DI2 DI1 DI0 DI15 D I1 4 DI13 D I1 2 DI11 DI10 DI9 DI8
D I7 D I6 D I5 D I4 DI3 DI2 DI1 DI0
LSM330DLC
AM10132V1
AM10133V1