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L9679P Datasheet(PDF) 104 Page - STMicroelectronics

Part # L9679P
Description  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  279 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Datasheet(HTML) 104 Page - STMicroelectronics

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SPI interfaces
L9679P
104/279
DS11627 Rev 7
7.4.30
Loops diagnostic configuration command register for high level
diagnostic (LPDIAGREQ)
ID:
38
Type:
R/W
Read:
3800
Write:
0070
19
18
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10
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1
0
MOSI
-
X
X
X
X
X
X
X
MISO
0
0
0
0
0
0
0
0
0
0
0
DIAG_LEVEL 0
0
0 Diagnostic mode selector
0 0 N/A - see description above
1 1 high level mode
HIGH_LEVEL_DIAG_SEL 000 000 000 Selection of high level squib/pyroswitch diagnostic
Updated by SSM_RESET or SPI write
000 No diagnostic selected
001 VRCM CHECK
010 Leakage CHECK
011 Short Between Loops CHECK
100 ER cap ESR measure
101 Squib/pyroswitch resistance range CHECK
110 Squib/pyroswitch resistance measurement
111 FET test
SQP 0
0
0 Squib/pyroswitch pin select for all leakage diagnostic
Updated by SSM_RESET or SPI write



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