Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Which clock should I use for JTAG UART Module?

Hello! I have Qsys system containing NIOS II/e, SDRAM Controller, JTAG UART , SysID and Some PIO. I am using DE1 Altera board with cyclone II on it Right now I am trying to speed the system...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I'd say connect the same clock to JTAG UART, SysID and PIO as the NIOS clock. If NIOS can meet the timing, those should be able to too. I don't think you need clock crossing bridge. JTAG UART component itself handles clock crossing to JTAG clock within.