L9678P datasheet(52/203 Pages) STMICROELECTRONICS

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L9678P 数据表(PDF) 52 Page - STMicroelectronics

部件名	L9678P

功能描述	Automotive user configurable airbag IC

PDF	203 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

52 / 203 page

SPI interface

L9678P, L9678P-S

52/203

DocID029274 Rev 3

WD1_WDR

WD1 reset latch

Set and cleared per Watchdog Timer Flow Diagram

0 WD1_WDR signal = 0

1 WD1_WDR signal = 1

WSMRST

Watchdog state machine reset

Set when WSM reset goes to '1', cleared upon SPI read

0 WSM reset has not occurred

1 WSM Reset has occurred

SSMRST

1 Safing state machine reset

Set when SSM reset goes to '1', cleared upon SPI read

0 SSM reset has not occurred

1 SSM Reset has occurred

POR

Power on Reset

Set when POR goes to '1', cleared upon SPI read

0 POR reset has not occurred

1 POR Reset has occurred

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