Generally the system will fall back to a 'limp home mode' running on a simpler algorithm on a watchdog microcontroller. See for example, Freescale's reference d

Generally the system will fall back to a 'limp home mode' running on a simpler algorithm on a watchdog microcontroller. See for example, Freescale's reference design for an airbag controller. http://www.freescale.com/webapp/sps/site/application.jsp?code=APLAIRBAGS http://www.freescale.com/webapp/sps/site/application.jsp?cod...