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Altera_Forum's avatar
Altera_Forum
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21 years ago

Nios II core minimal frequency?

Hi, are there any constrains for system clock. I'm interested in lower freq. than default value 50MHz. When I tried lower freq. (1MHz ! ) JTAG UART terminal was not correct. Is N...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

I tested following configurations

f=5MHz - didn't work

f=10MHz - works fine, but JTAG UART was not readable - insted of Hello from Nios output was "Hell frmm Nioos"

f=25MHz - OK

Core cfg: code from internal RAM, UART 115200

Sw: "Hello from Nios" with output redirected to UART

Jan