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A5 core dont't run with set core clock speed

Question asked by Juergen Debold on Apr 17, 2014
Latest reply on Apr 17, 2014 by Edward Karpicz

Hello, I tried to run the A5 core of a TWR-VF65GS10 tower evaluation board with 480MHz. I set the A5 core clock to 480MHz and if output on observation clock pin CK01 the core clock of 480MHz could be verified. But if I run a program which toggles a pin in an while loop it runs much slower(pin toggles with 3.3MHz). I used the Processor Expert Software tool for init code generation and setting core clock to 480MHz, is there something else I have to set to make the A5 core run with 480MHz?