L9678P datasheet(59/203 Pages) STMICROELECTRONICS

Numer części	L9678P

Szczegółowy opis	Automotive user configurable airbag IC

PDF	203 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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59 / 203 page

DocID029274 Rev 3

59/203

L9678P, L9678P-S

SPI interface

202

Set based on voltage, cleared on SPI read

0 VDD3V3 > VDD3V3_UV

1 VDD3V3 < VDD3V3_UV

VDD3V3_OV

VDD3V3 bad pin status

Set based on voltage, cleared on SPI read

0 VDD3V3 < VDD3V3_OV

1 VDD3V3 > VDD3V3_OV

ER_BST_NOK

ERBOOST pin status

Set and cleared based on voltage

1 V_ERBOOST < ERBOOST_OK

0 V_ERBOOST > ERBOOST_OK

VDD5_UV

VDD5_UV status

Set based on voltage, cleared on SPI read

0 VDD5 > VDD5_UV

1 VDD5 < VDD5_UV

VDD5_OV

VDD5_OV status

Set based on voltage, cleared on SPI read

0 VDD5 < VDD5_OV

1 VDD5 > VDD5_OV

VSUP_NOK

VSUP status

Set and cleared based on voltage

0 VSUP > VSUP_OK

1 VSUP < VSUP_OK

ER_BST_ON

ERBOOST_ON state

Updated according to ER_BOOST Control Behavior diagram

0 RBOOST_OFF or ERBOOST_OT state or ER_BST_STBY state (boost



not running)

1 ERBOOST_ON state (boost running)

ER_CHRG_ON

0 ERCHARGE_ON state

Updated according to ER_CHARGE Power Mode Control diagram

0 ERCHARGE_ON = 0

1 ERCHARGE_ON = 1

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