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L9678P 데이터시트(PDF) 72 Page - STMicroelectronics

부품명 L9678P
상세설명  Automotive user configurable airbag IC
PDF  203 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L9678P 데이터시트(HTML) 72 Page - STMicroelectronics

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SPI interface
L9678P, L9678P-S
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DocID029274 Rev 3
5.1.21
WD1 test command register (WD1_TEST)
Address:
35
Type:
W
Buffer:
-
Reset:
$006A
5.1.22
System diagnostic register (SYSDIAGREQ)
Address:
36
Type:
RW
Buffer:
$3601
Reset:
$006C
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MOSI
-
$3C
X
X
X
X
X
X
X
X
MISO
0
0
0
0
00
0
0
0
0
0
0
00
0
0
0
0
0
0
N/A N/A N/A
Non-latched WD1 Test Command
WD1_TEST SPI command as described in Figure 36: Watchdog state
diagram.
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
DSTEST[3:0]
MISO
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DSTEST[3:0]
DSTEST[3:0] 0000 0000 0000 Diagnostic State Test selection
Updated by SSM_RESET or SPI write while in DIAG state
0000 = all outputs inactive
0001 = ARM pin active
0010 = all outputs inactive
0011 = all outputs inactive
0100 = all outputs inactive
0101 = all outputs inactive
0110 = VSF regulator active



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