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Altera_Forum
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9 years ago

Cyclone V Soc Development kit UART signal on GPIO pins

HI, I am writing serial driver for cyclone V. UART0 is working perfectly when I connect it to PC using the USB connector for serial (J8). But if I try to get output through J9 which are GPIOs for the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

How it Teraterm connected to J9?

Is it through a standard DB-9 or DB-25 RS-232 connector?

It that's the case, the voltage & polarity are not the same: a level conversion chip is needed.

Regards