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LPS27HHTWTR データシート(PDF) 6 Page - STMicroelectronics

部品番号 LPS27HHTWTR
部品情報  MEMS pressure sensor: 260-1260 hPa absolute digital output barometer with embedded temperature sensor in water-resistant package
PDF  55 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LPS27HHTWTR データシート(HTML) 6 Page - STMicroelectronics

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3.3
Communication interface characteristics
3.3.1
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and TOP.
Table 5. SPI slave timing values
Symbol
Parameter
Value(1)
Unit
Min.
Max.
tc(SPC)
SPI clock cycle
100
ns
fc(SPC)
SPI clock frequency
10(2)
MHz
tsu(CS)
CS setup time
6
ns
th(CS)
CS hold time
8
tsu(SI)
SDI input setup time
5
th(SI)
SDI input hold time
15
tv(SO)
SDO valid output time
50
th(SO)
SDO output hold time
9
tdis(SO)
SDO output disable time
50
1. Values are guaranteed at 10 MHz clock frequency for SPI with both 4 and 3 wires, based on characterization results, not
tested in production.
2. Recommended to set max SPI clock 8 MHz to ≤50 Hz ODR.
Figure 4. SPI slave timing diagram
Note: Measurement points are done at 0.3·Vdd_IO and 0.7·Vdd_IO for both ports.
LPS27HHTW
Communication interface characteristics
DS13489 - Rev 1
page 6/55



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