I have an ESP IDF project based on the ESP32-S3 Mini. According to the datasheet, the S3 should be having 512 KB of SRAM, but when I compile my project the memory usage summary says I have a total of 341760 bytes for DRAM and 16384 bytes of IRAM. I'm not able to understand where the rest of the RAM ...

Hello!

I'm trying to establish communication between an ESP32C3 and an STM32 microcontroller, where the ESP32 behaves as the master, and STM32, the slave.
For testing purposes I am using the SEEEDStudio XIAO ESP32C3 dev kit.

All I'm trying to do is send and receive a byte via SPI (full duplex mode ...