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Messages - nxs

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Discussion - EVE / FT811 with Goodix GT911 I2C addresses issues
« on: January 08, 2021, 12:28:18 PM »
Hi all,

We have a FT811 connected to a LCD which has a Goodix GT911 touch controller.

The CTP is working correctly on address 0x5d, but we want to use it on address 0x14.

If we change the I2C address bits in register REG_TOUCH_CONFIG (0x302168) to something different from 0x5d we see no I2C clocks and no I2C data coming out of the FT811 chip.

Can you please tell me what are the supported addresses?
Also if you need more information, I can supply you with everything.

Thanks!

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