cpu clock (cclk)?

hi
i am using lpc2364 processor. Clock is 14.7456mhz. I have set cclk to 70.77888mhz, hclk to 353.9844mhz using pll. In data sheet there is range for hclk (275mhz to 550mhz). My doubt is what is maximum clock we can set to CCLK? Is there any range for CCLK?

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