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FreeRTOS Support ArchiveThe FreeRTOS support forum is used to obtain active support directly from Real Time Engineers Ltd. In return for using our top quality software and services for free, we request you play fair and do your bit to help others too! Sign up to receive notifications of new support topics then help where you can.
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PLLCFG on ARM7_LPC2129_IAR demoPosted by cra8000 on July 16, 2009 Hi all, It's correct PLLCFG on ARM7_LPC2129_IAR demo or must be PLLCFG = 0x24 ? On FreeRtos 5.4.0 demo project: Fosc : 12Mhz CCLK : 60Mhz PLLCFG = 0x04 If it's not correct there's a big problem? Regards Carlos RE: PLLCFG on ARM7_LPC2129_IAR demoPosted by Richard on July 17, 2009 The PLL output frequency is given by: Fcco = Fosc * M * 2 * P which given the value 0x24 in PLLCFG gives: 120MHz = 12000000 * 5 * 2 * 1 which would indeed appear to be wrong, but the demo seems to run at the right frequency which must be fluke. Regards.
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