esp-idf/components/esp_psram/README.md

PSRAM MSPI Interrupt Handling

Overview

This file (system_layer/esp_psram_mspi.c) handles PSRAM-specific MSPI interrupt registration.

Chip Type	MSPI_LL_INTR_SHARED	Behavior
Shared IRQ	1	Register to shared MSPI dispatcher
Separate IRQ	0	Register standalone PSRAM ISR via esp_intr_alloc()

Documentation

For detailed architecture, flow diagrams, and API reference, see:

esp_hw_support/README.md - MSPI Interrupt Logic