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L9678P データシート(PDF) 53 Page - STMicroelectronics

部品番号 L9678P
部品情報  Automotive user configurable airbag IC
PDF  203 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P データシート(HTML) 53 Page - STMicroelectronics

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DocID029274 Rev 3
53/203
L9678P, L9678P-S
SPI interface
202
5.1.2
System configuration register (SYS_CFG)
Address:
01
Type:
RW
Buffer:
$0100
Reset:
$0002
19
18
17
16
15
14
13
12
11
10
9876543
210
MOSI
-
X
X
-
X
X
MISO
0000
0
0
-
0
0
EN_AUTO_SWITC
H_OFF
00
0
Enable auto switch off ISRC current source and DCS regulator after
measurement completion
0 Auto switch off disabled
1 Auto switch off enabled
DIS_VDD5_ERR
0
0
-
Disable VDD5 OV/UV to generate reset
0 OV/UV generate reset
1 OV/UV don’t generate reset
KEEP_ERBST_ON
0
0
0 ER Boost behaviour during ER state
0 ER Boost is disabled
1 ER Boost stay enabled
HI_LEV_DIAG_TIM
E
0
0
0 Selection of duration of high level squib diagnostics
0 Short time (see high level diag diagram)
1 Long time (see high level diag diagram)
SQMEAS
00
00
00 Sample number in DC sensor, squib measurement and temperature
conversions
Updated by SSM_RESET or SPI write



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