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L9678PTR Datenblatt(PDF) 71 Page - STMicroelectronics

Teilenummer L9678PTR
Bauteilbeschribung  Automotive user configurable airbag and battery cut-off IC
PDF  215 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678PTR Datenblatt(HTML) 71 Page - STMicroelectronics

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DS11626 Rev 9
71/216
L9678P, L9678P-S
SPI interface
214
5.2.11
Squib/pyroswitch ground loss register (LP_GNDLOSS)
Address:
26
Type:
R
Buffer:
$2600
Reset:
-
5.2.12
Device version register (VERSION_ID)
Address:
27
Type:
R
Buffer:
$2700
Reset:
-
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MOSI
-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
MISO
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
GNDLOSSx
0
0
0 Loop x Squib/pyroswitch Ground loss
Cleared upon SSM_RESET or SPI read. Set when GND loss is detected
during deployment or loop diag's (HS sw test, LS sw test, squib/pyroswitch
resistance)
0 Loss of ground not detected
1 Loss of ground detected
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MOSI
-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
MISO
0
0
0
0
0
0
0
0
0
DEVICE ID
0
0
VERSN
DEVICE ID
-
-
- Identification of the device
Static value - never updated
001 Low end
010 Medium end
011 High end



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