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by freddy_13
Fri Nov 10, 2023 2:22 pm
Forum: General Discussion
Topic: TX UART open drain mode
Replies: 3
Views: 3491

TX UART open drain mode

I am trying to use GPIO 21 on ESP32 C3 for UART0 TX. I would like uses it with open drive feature.
I have tried with API and with register level instructions.

In API the instructions are the follow:

ESP_ERROR_CHECK(uart_param_config(S_BusPort, &uart_config_1));
ESP_ERROR_CHECK (uart_driver_install ...

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