L9680 datasheet(71/286 Pages) STMICROELECTRONICS

Numer części	L9680

Szczegółowy opis	Automotive advanced airbag for mid/high end applications and cut-off battery IC

PDF	286 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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71 / 286 page

DS11615 Rev 7

71/286

L9680

SPI interfaces

285

0 WD2 Lockout inactive

1 WD2 Lockout active

WD2_TM

0 WD2 test mode - reflects WD2TM signal state

0 WD2TM=0

1 WD2TM=1

WD2_WDR

- WD2 reset latch - set when WD2RESET or STOPPING states are entered,

cleared upon read

0 WD2RST signal = 0

1 WD2RST signal = 1

WD1_LO

WD1 lockout - reflects WD1 lockout state

Set and cleared per Watchdog Timer Flow Diagram

0 WD1 Lockout inactive

1 WD1 Lockout active

WD1_TM

0 WD1 test mode - reflects WD1TM signal state

Set and cleared per Watchdog Timer Flow Diagram

0 WD1TM=0

1 WD1TM=1

WD1_WDR

- WD1 reset latch

Set and cleared per Watchdog Timer Flow Diagram

0 WD1_WDR signal = 0

1 WD1_WDR signal = 1

MCURST

- MCU reset latch - set when MCUFLT pin goes low, cleared upon read

0 MCURST signal = 0

1 MCURST 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

VCORE_ERR

- VCOREMON pin status - set when VCOREMON pin goes out of range, reset

upon read

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