Implementation of a synchronous parallel bus (HPM62xx)

[sadkotheguest]

Hello!
In my tasks, I need to implement synchronous control of a parallel bus, which, using DMA, would output data from RAM to MCU ports at a predetermined frequency (about 20 MHz). I also need to output a clock signal.

What is the best implementation algorithm from your point of view:

1. Using a hardware timer/PWM + DMA events with transferring the necessary data to the GPIO ports?
2. Using external memory controller (FEMC/XPI?) with memory-to-memory transfer initialization?
3. Some other way?

Thanks in advance for your answer.