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AM1808 DDR/mDDR VCLK and MCLK relationship

Hello,

 

Are there any requirements on the relationship between VCLK and MCLK - or can I use any input values that I can work out using the appropriate PLLs and dividers? For example, could I have a CPU clock of 300MHz (i.e. VCLK would be 150MHz) and setup PLL1 to divide by 3 to get an MCLK at 100MHz?

 

Thanks,

Katie