TRM for ESP32S3 missing IO MUX functions

djixon
Posts: 100
Joined: Sun Oct 01, 2023 7:48 pm

TRM for ESP32S3 missing IO MUX functions

Postby djixon » Fri Nov 17, 2023 9:09 pm

In the last TRM in the table of IO-MUX pin functions, there is no DAC1 and DAC2 function (they are missing). Later in description of IO MUX registers there are IO_MUX_GPIO17_REG and IO_MUX_GPIO18_REG with description
Configuration register for pad DAC_1
Configuration register for pad DAC_2
But which function index I have to populate in bit-field IO_MUX_MCU_SEL of those registers to route analog DACs output to GPIO17 and GPIO18 when they don't exist in IO MUX table in any of function columns?

ESP_Sprite
Posts: 9052
Joined: Thu Nov 26, 2015 4:08 am

Re: TRM for ESP32S3 missing IO MUX functions

Postby ESP_Sprite » Sun Nov 19, 2023 6:50 am

Thanks for catching that. The ESP32-S3 does not have a DAC, and the pad descriptions are not correct; we'll fix those in the next TRM.

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