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L9680 数据表(PDF) 89 Page - STMicroelectronics

部件名 L9680
功能描述  Automotive advanced airbag IC for mid/high end applications
PDF  277 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9680 数据表(HTML) 89 Page - STMicroelectronics

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L9680
SPI interfaces
276
7.3.16
Watchdog timer configuration register (WDTCR)
ID:
2A
Type:
RW
Read:
2A00
Write:
0054
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MOSI
-X
WDTMIN[6:0]
WDTDELTA[6:0]
MISO
0
000
0
WDTMIN[6:0]
WDTDELTA[6:0]
WD1_MODE
0
0
-
WD1 Mode
Updated by WSM_RESET or SPI write while in WD1_INIT state
0 Fast WD1 mode - nominal 8μs timer resolution (2ms max value)
1 Slow WD1 mode - nominal 64μs timer resolution (16.3ms max value)
WDTMIN[6:0] $32 $32
-
WD1 window minimum value - resolution according to WD1_MODE bit ($32 =
400μs in WD1 fast mode)
Updated by WSM_RESET or SPI write while in WD1_INIT state
WDTMIN[6:0] $19 $19
-
WD1 window delta value - WDTMAX=WDTMIN+WDTDELTA - resolution
according to WD1_MODE bit ($19 = 200μs in WD1 fast mode)
Updated by WSM_RESET or SPI write while in WD1_INIT state



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