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LPS22DF 数据表(PDF) 25 Page - STMicroelectronics

部件名 LPS22DF
功能描述  Low-power and high-precision MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer
PDF  54 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LPS22DF 数据表(HTML) 25 Page - STMicroelectronics

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7.3.1
SPI read
Figure 17. SPI read protocol
The SPI read command is performed with 16 clock pulses. The 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 1-7: address AD(6:0). This is the address field of the indexed register.
bit 8-15: data DO(7:0) (read mode). This is the data that is read from the device (MSb first).
bit 16-...: data DO(...-8). Further data in multiple byte reads.
Figure 18. Multiple byte SPI read protocol (2-byte example)
LPS22DF
SPI bus interface (CS = low)
DS13316 - Rev 1
page 25/54



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