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Altera_Forum
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8 years ago

Uart Baud Rate Drop

Hi all I'm currently facing a somehow strange effect on my custom SoC Board (incl. a Cyclone V SX --> 5CSXFC2C6U23C8(N)). While the preloader and uboot are running (at the moment initialize...
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Altera_Forum
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8 years ago

Stefan,

Reading the Muxes, PLL & Divisor values directly from the clock manager registers will provide you with the exact UART clock frequency.

If you have the hwLib, you can simplify this by using alt_clk_freq_get(): this function reads the clock manager registers and report the resulting clock frequency.

Regards