L9301 datasheet(36/51 Pages) STMICROELECTRONICS

Part #	L9301

Description	Automotive octal low side driver or quad low side plus quad high side driver

PDF	51 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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36 / 51 page

SPI

L9301

36/51

DocID028688 Rev 6

SPI

The SPI interface is used to configure the device, control the output and read the diagnostic

and output status registers.

Every time a bit in one of the SPI registers is set by the L9301 (for example when an error is

detected) it will not be reset until the corresponding registers have been read out via SPI.

The bit will not be reset if an SPI error occurs during access to register by the μC or while

L9301 sends the content of the register as an answer.

13.1

CS, SCK, MOSI

Table 25. CS, SCK, MOSI

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

CS, SCK,

MOSI

V_IH

Logic input high

voltage

1.75

VDD+0.3

V_IL

Logic input low voltage -

-0.3

0.75

V_Ihys

Logic input hysteresis

100

1000

Iin

Input current

μA

Ri_pu

Pull up resistor

Tested at 1.5 V,

R = (3.3-1.5)/Imeasure

250

kΩ

L9301 Datasheet(PDF) 36 Page - STMicroelectronics

L9301 Datasheet(HTML) 36 Page - STMicroelectronics

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