LPS22HH datasheet(11/59 Pages) STMICROELECTRONICS

Teilenummer	LPS22HH

Bauteilbeschribung	High-performance MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer

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LPS22HH

Mechanical and electrical specifications

3.3

Communication interface characteristics

3.3.1

SPI - serial peripheral interface

Subject to general operating conditions for Vdd and TOP.

Figure 4. SPI slave timing diagram

Note:

Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both ports.

Table 6. SPI slave timing values

Symbol

Parameter

Value(1)

Unit

Min

Max

tc(SPC)

SPI clock cycle

100

fc(SPC)

SPI clock frequency

10(2)

MHz

tsu(CS)

CS setup time

th(CS)

CS hold time

tsu(SI)

SDI input setup time

th(SI)

SDI input hold time

tv(SO)

SDO valid output time

th(SO)

SDO output hold time

tdis(SO)

SDO output disable time

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.

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