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參數(shù)資料
| 型號： | LIS3LV02DQ-TR |
| 廠商： | 意法半導體 |
| 英文描述： | MEMS INERTIAL SENSOR 3-Axis - +-2g/+-6g Digital Output Low Voltage Linear Accelerometer |
| 中文描述： | MEMS慣性傳感器3軸- - 2克/ - 6g的數(shù)字輸出低電壓線性加速度計 |
| 文件頁數(shù)： | 20/42頁 |
| 文件大?。?/td> | 379K |
| 代理商： | LIS3LV02DQ-TR |
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5 Digital Interfaces
LIS3LV02DQ
20/42
CD00047926
bit 8-15
: data DI(7:0) (write mode). This is the data that will be written into the device (MSb
first).
bit 8-15
: data DO(7:0) (read mode). This is the data that will be read from the device (MSb
first).
In multiple read/write commands further blocks of 8 clock periods will be added. When MS bit is
0 the address used to read/write data remains the same for every block. When MS bit is 1 the
address used to read/write data is incremented at every block.
The function and the behavior of
SDI
and
SDO
remain unchanged.
5.2.1
SPI Read
Figure 5.
SPI Read protocol
The SPI Read command is performed with 16 clock pulses. Multiple byte read command is
performed adding blocks of 8 clock pulses at 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 6.
Multiple bytes SPI Read Protocol (2 bytes example)
CS
SPC
SDI
SDO
RW
DO7DO6DO5 DO4 DO3 DO2DO1DO0
AD5 AD4 AD3 AD2 AD1 AD0
MS
CS
SPC
SDI
SDO
RW
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
AD5 AD4 AD3 AD2 AD1 AD0
DO15 O14 O13 O12 O11 O10 O9 DO8
MS
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