mpc860 Powerquicc processor

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mpc860 Powerquicc processor

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ravadasrikanth3
Contributor I

I'm using mpc860 Powerquicc processor with 66mhz clock ,as per my observations Hreset and Sreset are toggling clock pulse width is 8us ,actually it is new board code is not flashed in to it.

can anyone tell us why these pins are toggling  ?

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Bulat
NXP Employee
NXP Employee

Most probably it happens due to the watchdog timer which is enabled after reset, see description of the System Protection Control Register (SYPCR).

Regards,

Bulat

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