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Flexbus Clockout

Question asked by GOWRISHANKAR V on Sep 11, 2014
Latest reply on Sep 12, 2014 by Kan_Li


Iam using  TWR-K70 board for interfacing LCD with SSD 1963 controller using  Flex bus.

I am trying to measure Flex-bus clock (PTC3 - ALT 5 ) from the TWR module.But it is always showing  20 MHz

even when i change the flex bus frequency using SIM-CLKDIV1 Register.

I tried variying the clock from 40 MHz to 10 MHz but i am getting the same output (20 MHz).

Can any one help me with how to measure the Flex bus Clock