AT91SAM7S256-128-64-321 USB and USART usage (clocking)

Started by jaac in comp.arch.embedded13 years ago 2 replies

Hi, I want to know if it is possible to use at the same time the USB and UART peripheral on the AT91SAM7S256-128-64-321, with zero error on...

Hi, I want to know if it is possible to use at the same time the USB and UART peripheral on the AT91SAM7S256-128-64-321, with zero error on the UART part. The clocking scheme is what concerns me. As far as I understand you have the main clock MCK from an external crystal (or clock signal). Is MCK derived directly, I mean, does MCK have the same frequency as the external crystal? The UAR...