Clock Source

• Two external oscillator OSC0 and OSC1 input
• OSC0 25M default for USB, GMAC and system main clock source
• OSC1 input 12-27MHz according to application
• Three PLLs
• PLL0 used for system main logic, including CPU, bus
• PLL1 output to support DDR, DLA and DSP
• PLL2 output to support slow speed peripherals, video input and video output