9.1.4.1 Clocks

All the components of this subsystem have their clocks controlled by the PMC, which is part of the system controller.

All connectivity peripherals, except the PWM controller, have a GLCK input to generate fixed baud rates, independent from the CPU frequency.

For higher timestamping accuracy, the GMAC Time Stamping Unit can be clocked from a fast generic clock (up to 400 MHz). Refer to ID67 in Peripheral Identifiers.