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CAlex's avatar
CAlex
Icon for Contributor rankContributor
3 years ago

The loanIO confusions

Hi, What I want to do is loan the GPIO 57~60 on the cyclone V soc board to the FPGA, these four pins act as SPIM0-CLK, SPIM0-MOSI, SPIM0-MISO and SPIM0-SS0. And these pins are connected to J32 pin...
aikeu's avatar
aikeu
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi CAlex,


I found this link written in chinese mandarin which may help as compared to the video previously which shows many related pins:

https://blog.csdn.net/benjorsun/article/details/79931031

It shows loaning a HPS io to act as a clock source for the USB PHY intead of relying on external clock connected to the PHY.

It also shows the working block diagram and etc required to define that particular loan io pin.


Thanks.

Regards,

Aik Eu