LIS331DL datasheet(11/38 Pages) STMICROELECTRONICS

Part #	LIS331DL

Description	MEMS motion sensor 3-axis - ±2g/±8g smart digital output ?쐍ano??accelerometer

PDF	38 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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LIS331DL

Mechanical and electrical specifications

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2.3

Communication interface characteristics

2.3.1

SPI interface

Subject to general operating conditions for Vdd and Top.

Table 4.

SPI slave timing values

Figure 4.

SPI slave timing diagram (2)

Note:

Values are guaranteed at 10MHz clock frequency for SPI with both 4 and 3 wires, based on

characterization results, not tested in production

Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both Input and output

ports

When no communication is on-going, data on CS, SPC, SDI and SDO are driven by internal

pull-up resistors

Symbol

Parameter

Value Note: 1

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

SPC

SDI

SDO

tsu(CS)

tv(SO)

th(SO)

th(SI)

tsu(SI)

th(CS)

tdis(SO)

tc(SPC)

MSB IN

MSB OUT

LSB OUT

LSB IN

(3)

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