8-bit Microcontrollers中的主题 How to use Watchdog in Beestack https://community.nxp.com/t5/8-bit-Microcontrollers/How-to-use-Watchdog-in-Beestack/m-p/206062#M17334 <HTML><HEAD></HEAD><BODY><DIV>Hi ,</DIV><DIV>&nbsp;</DIV><DIV>I want to use watchdog in Wireless UART based on beestack.</DIV><DIV>But it is too quick to reset by the 2^18 cycles of the bus rate clock in beestack, is anyone had any&nbsp;experience&nbsp;of using watchdog in the beestack.&nbsp;</DIV><DIV>Thanks.</DIV></BODY></HTML> Tue, 25 Mar 2008 17:13:01 GMT JACKCHEN 2008-03-25T17:13:01Z How to use Watchdog in Beestack https://community.nxp.com/t5/8-bit-Microcontrollers/How-to-use-Watchdog-in-Beestack/m-p/206062#M17334 <HTML><HEAD></HEAD><BODY><DIV>Hi ,</DIV><DIV>&nbsp;</DIV><DIV>I want to use watchdog in Wireless UART based on beestack.</DIV><DIV>But it is too quick to reset by the 2^18 cycles of the bus rate clock in beestack, is anyone had any&nbsp;experience&nbsp;of using watchdog in the beestack.&nbsp;</DIV><DIV>Thanks.</DIV></BODY></HTML> Tue, 25 Mar 2008 17:13:01 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/How-to-use-Watchdog-in-Beestack/m-p/206062#M17334 JACKCHEN 2008-03-25T17:13:01Z Re: How to use Watchdog in Beestack https://community.nxp.com/t5/8-bit-Microcontrollers/How-to-use-Watchdog-in-Beestack/m-p/206063#M17335 <HTML><HEAD></HEAD><BODY><DIV>Hi Jack,</DIV><DIV>&nbsp;</DIV><DIV>If COP watchdog is too fast, then you can have a SW watchdog wherein you determine the timeout period&nbsp;and after its successful completion, you insert illegal opcode which will initiate an "illegal opcode" reset.(WD timer is incremented everytime in the System clock ISR is executed say for every 1ms )</DIV><DIV>&nbsp;</DIV><DIV>You can refer the thread which uses the above technique.</DIV><DIV><A href="http://forums.freescale.com/freescale/board/message?board.id=8BITCOMM&amp;thread.id=10007" target="_blank">http://forums.freescale.com/freescale/board/message?board.id=8BITCOMM&amp;thread.id=10007</A></DIV><DIV>&nbsp;</DIV><DIV>Regards,</DIV><DIV>Denn.</DIV></BODY></HTML> Tue, 25 Mar 2008 21:05:40 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/How-to-use-Watchdog-in-Beestack/m-p/206063#M17335 Denn 2008-03-25T21:05:40Z