L9679P datasheet(67/272 Pages) STMICROELECTRONICS

No de pièce	L9679P

Description	Automotive advanced airbag IC for mid/high end applications

PDF	272 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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67 / 272 page

DocID029275 Rev 1

67/272

L9679P

SPI interfaces

271

Global SPI read/write register

7.3.1

Fault status register (FLTSR)

ID:

Type:

Read:

0000

Write:

MOSI

XXXXXXXXXXXXXXX

MISO

WD2 retry cnt

ERCHARGE_OT

ER charge over temperature bit

Set when over-temp condition detected, cleared on SPI read or POR=1

0 No Fault

1 Fault

ERBST_OT

ER Boost over-temperature bit

Set when over-temp condition detected, cleared on SPI read or POR=1

0 No Fault

1 Fault

CLKFRERR

Internal oscillator cross-check error bit

Set when osc. error detected, cleared on SPI read or SUPPLY_POR=1

0 No Fault

1 Fault

WD2_retry_cnt[3:0]

$0 Value of WD2 retry counter

OTPCRC_ERR

OTP CRC error bit

Set when OTP error detected (tested at release of POR), cleared by POR=1

0 No Fault

1 Fault

WD2_LO

WD2 lockout - reflects WD2 lockout state

0 WD2 Lockout inactive

1 WD2 Lockout active

WD2_TM

0 WD2 test mode - reflects WD2TM signal state

L9679P Fiches technique(PDF) 67 Page - STMicroelectronics

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