参数资料
型号: LSM330DL
厂商: STMICROELECTRONICS
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA28
封装: 7.50 X 4.40 MM, 1.10 MM HEIGHT, GREEN, PLASTIC, LGA-28
文件页数: 18/54页
文件大小: 1064K
代理商: LSM330DL
LSM330DL
Digital interfaces
Doc ID 022018 Rev 1
25/54
5.2.1
SPI read
Figure 7.
SPI read protocol
The SPI Read command is performed with 16 clock pulses. The multiple byte read
command is performed, adding blocks of 8 clock pulses to the previous one.
bit 0: READ bit. The value is 1.
bit 1: MS bit. When 0, this bit does not increment the address. When 1, it increments the
address in multiple reads.
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 reads.
Figure 8.
Multiple bytes SPI read protocol (2 bytes example)
5.2.2
SPI write
Figure 9.
SPI write protocol
CS
SPC
SDI
SDO
RW
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
AD5 AD4 AD3 AD2 AD1 AD0
MS
CS
SPC
SDI
SDO
RW
DO7DO6 DO5DO4 DO3DO2 DO1DO0
AD5 AD4 AD3 AD2 AD1 AD0
DO15DO14DO13DO12DO11DO10DO9 DO8
MS
CS
SPC
SDI
RW
DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0
AD5 AD4 AD3 AD2 AD1 AD0
MS
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