This is a cache of https://discuss.96boards.org/t/how-to-confige-the-power-3-3v-avdd-and-1-8-v-dvdd-at-the-x20-platform/2429. It is a snapshot of the page at 2024-09-20T02:10:54.242+0000.
How to confige the power 3.3v avdd and 1.8 v dvdd at the x20 platform - MediaTek-X20 - 96Boards Forum

How to confige the power 3.3v avdd and 1.8 v dvdd at the x20 platform

Products Support MediaTek-X20
#1

Hi all
I need a help, I am porting a new touch to MTK X20,but not know how to config the power 3.3v 、1.8v and where I can connect these two interface. I already use i2c4 and eint5 as interrupt for communicat6ion .But not know how to config the power, anyone have the document?

#2

actually I do not really know how to config the gpio,

#3

You have 1.8 v pins gpios. You can use Mos as switches to configure 3.3 v.

#4

:thinking: It is all given in hardware manual. Find it https://en.alpha-star.org/download/mediatek-x20-development-board-hardware-user-manual. And you might need sachamatic which you can find at https://en.alpha-star.org/download/mediatek-x20-development-board-sch-v2-0