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L9788 Datasheet(PDF) 48 Page - STMicroelectronics

Part # L9788
Description  Multifunction IC for automotive engine management system
PDF  264 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9788 Datasheet(HTML) 48 Page - STMicroelectronics

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Watchdog
L9788
48/264
DS12308 Rev 4
4.1.1
Monitoring module - WDA Functionality
Figure 17. WDA block diagram
Note:
Delay-off function is not considered in this Block Diagram.
GADG2511161150PS
WDA
Injection
drivers
CAN
MSC CONFIG
Depending on MSC configuration CAN
is disabled in WDA case or not
Ignition
drivers
Other
drivers
disable
disable
inhibit
VDD
Error counter
EC > 4
> 1
100μs
RST_CNT
RST
WDA_INT
PWR_CNT
EC > 7
disable
disable
&



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