LPS25HB Datasheet, PDF (10/40 Pages) STMicroelectronics – MEMS pressure sensor: 260-1260 hPa absolute digital output barometer

Mechanical and electrical specifications
LPS25HB
2.3
Communication interface characteristics
2.3.1
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and T_OP.
Symbol
Table 5. SPI slave timing values
Parameter
Value⁽¹⁾
Min
Max
t_c(SPC)
SPI clock cycle
100
f_c(SPC)
SPI clock frequency
10
t_su(CS)
CS setup time
6
t_h(CS)
CS hold time
8
t_su(SI)
SDI input setup time
5
t_h(SI)
SDI input hold time
15
t_v(SO)
SDO valid output time
50
t_h(SO)
SDO output hold time
9
t_dis(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.
Unit
ns
MHz
ns
Figure 3. SPI slave timing diagram
Note:
Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both ports.
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