L3GD20HTR datasheet(13/52 Pages) STMICROELECTRONICS

tên linh kiện	L3GD20HTR

Giải thích chi tiết về linh kiện	MEMS motion sensor: three-axis digital output gyroscope

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DocID023469 Rev 2

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L3GD20H

Mechanical and electrical specifications

2.4

Communication interface characteristics

2.4.1

SPI - serial peripheral interface

Subject to general operating conditions for Vdd and Top.

Figure 3. SPI slave timing diagram(d)

Table 6. SPI slave timing values

Symbol

Parameter

Value(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

Values are guaranteed at 10 MHz 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 port.

SPC

SDI

SDO

tsu(CS)

tv(SO)

th(SO)

th(SI)

tsu(SI)

th(CS)

tdis(SO)

tc(SPC)

MSBIN

MSBOUT

LSBOUT

LSBIN

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