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- As per the memory block diagram for ESP32-S3, the internal memory address ranges as follows: DRAM: 0x3FC88000 (== SOC_MEM_INTERNAL_LOW) <-> 0x3FCF0000 IRAM: 0x40378000 <-> 0x403E0000 (== SOC_MEM_INTERNAL_HIGH)
soc
The soc
component provides hardware description for targets supported by ESP-IDF.
- `xxx_reg.h` - defines registers related to the hardware
- `xxx_struct.h` - hardware description in C `struct`
- `xxx_channel.h` - definitions for hardware with multiple channels
- `xxx_caps.h` - features/capabilities of the hardware
- `xxx_pins.h` - pin definitions
- `xxx_periph.h/*.c` - includes all headers related to a peripheral; declaration and definition of IO mapping for that hardware