LSM330DLC datasheet(36/66 Pages) STMICROELECTRONICS

部件名	LSM330DLC

功能描述	iNEMO inertial module: 3D accelerometer and 3D gyroscope

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制造商	STMICROELECTRONICS [STMicroelectronics]

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Digital interfaces

LSM330DLC

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Doc ID 022162 Rev 2

6.2.1

SPI read

Figure 15.

SPI read protocol

The SPI read command is performed with 16 clock pulses. A 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: MS bit. When 0, do not increment address; when 1, increment address in multiple

reading.

bit 2-7: address AD(5:0). 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 reading.

Figure 16.

Multiple-byte SPI read protocol (2-byte example)

SPC

SDI

SDO

DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0

AD5 AD4 AD3 AD2 AD1 AD0

AM10130V1

C S

SPC

SDI

SDO

DO 7 DO6 DO 5 DO4 DO 3 DO 2 DO 1 DO 0

AD5 A D4 AD 3 AD2 A D1 AD0

DO 15 DO 14 DO 13 DO 12 DO 11 DO 10 D O9 D O8

M S

AM10131V1

LSM330DLC 数据表(PDF) 36 Page - STMicroelectronics

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