LPS25HB datasheet(10/40 Pages) STMICROELECTRONICS

部件名	LPS25HB

功能描述	MEMS pressure sensor: 260-1260 hPa absolute digital output barometer

PDF	40 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

10 / 40 page

Mechanical and electrical specifications

LPS25HB

10/40

DocID027112 Rev 2

2.3

Communication interface characteristics

2.3.1

SPI - serial peripheral interface

Subject to general operating conditions for Vdd and TOP.

Figure 3. SPI slave timing diagram

Note:

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

Table 5. SPI slave timing values

Symbol

Parameter

Value(1)

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

Min

Max

tc(SPC)

SPI clock cycle

100

fc(SPC)

SPI clock frequency

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

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