L9679ETR datasheet(45/127 Pages) STMICROELECTRONICS

45 / 127 page

LPDIAGSTAT

Diagnostic result register for deployment loops

MISO

LEAK_CHSEL

ID:

Type:

Read:

3700

Write:

POR

WSM

SSM

[19]

DIAG_LEVEL: Diagnostic mode selector (Not present for low level diagnostic)

0: low level mode

1: high level mode

[18]

TIP: High level diagnostic test is running

Updated by SSM_RESET or Loops diagnostic state machine

0: High level diagnostic test is not running

1: High level diagnostic test is running

[16]

FP: Fault present before requested diagnostic

Updated by SSM_RESET or Loops diagnostic state machine

0: Fault not present before requested diagnostic

1: Fault present before requested diagnostic

[15]

FETON:FET activation during diagnostic

Updated by SSM_RESET or Loops diagnostic state machine or when HS or LS FET is activated

during DIAG state

0: FET is off during diagnostic

1: FET is on during diagnostic

[14]

HS_DRV_OK: FET Test Status

Updated by SSM_RESET or Loops diagnostic state machine or when driver full path test is run

test is run

0: HS squib/pyroswitch driver full path test did not complete successfully

1: HS squib/pyroswitch driver full path test complete successfully

L9679E

SPI interface

DS12485 - Rev 8

page 45/127

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