ESP32 Forum

官方给出
Type of SPI RAM chip in use

Found in: Component config > ESP32S2-specific > CONFIG_ESP32S2_SPIRAM_SUPPORT > SPI RAM config

而我的只有
Top) → Component config → ESP32S2-specific
Espressif IoT Development Framework Configuration
CPU frequency (160 MHz) --->
Memory protection --->
Cache config --->
[ ] Support for external, SPI-connected RAM
[ ] Use TRAX tracing feature
Number of universally administered (by IEEE) MAC address (Two) --->
[ ] Enable Ultra Low Power (ULP) Coprocessor
[*] Make exception and panic handlers JTAG/OCD aware
[ ] OpenOCD debug stubs
[*] Hardware brownout detect & reset
Brownout voltage level (2.44V) --->
Timers used for gettimeofday function (RTC and high-resolution timer) --->
RTC clock source (Internal 90kHz RC oscillator) --->
(576) Number of cycles for RTC_SLOW_CLK calibration
[ ] No Binary Blobs
[ ] Place RTC_DATA_ATTR and RTC_RODATA_ATTR variables into RTC fast memory segme

把 [ ] Support for external, SPI-connected RAM 打开。