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L9908 датащи(PDF) 133 Page - STMicroelectronics

номер детали L9908
подробное описание детали  Automotive 3-Phase motor gate driver unit
PDF  152 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9908 датащи(HTML) 133 Page - STMicroelectronics

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The information about the number of encountered WDT data failures is stored in the dedicated SPI register
WDT_FAIL_COUNT_STATUS.
Figure 88. WDT operation – Word sequence failure
In case of failure (WDT_OVF_fail =1 or WDT_DATA_fail =1) the WDT can be reset by setting to10 the SPI
register command WDT_RESET.
Table 150. Watchdog RESET bits
WDT_RST1
WDT_RST0
Description
0
0
NO reset
0
1
NO reset (Default)
1
0
Reset
1
1
NO reset
Note:
This command is processed by the logic only if a failure is detected (WDT_OVF_fail = 1 or WDT_DATA_fail = 1).
The WDT_RESET does not reset the WDT_EN bit but only the error flag: µC needs to refresh the WDT properly
afterwards.
L9908
Functional description
DS13546 - Rev 5
page 133/152



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