Clock
Added by Anonymous about 11 years ago
Hi,
Where is the clock on the MityArm?
I am using your mityarm_5csx_dev_board project, and it's not there. Could you provide me the pin assignment for your clock please?
Thanks!
Jack
Replies (1)
RE: Clock - Added by Michael Williamson about 11 years ago
There is a 25 Mhz clock brought in on the main HPS_CLK1 input (pin E20). It's actually defined in the Qsys HPS component of the reference project. Qsys automatically connects the HPS clocks during the build process. You can route this clock (or PLL'd flavors of it) to the FPGA fabric (100 Mhz is available by default) if you need it.
There is also a differential input clock for the FPGA DDR on the dev kit (100 MHz) on the B4A_RX_B47 pin pairs that you can use for a clock.
-Mike
