esp-idf/examples/system/startup_time/sdkconfig.defaults.esp32s2

# Not calibrating RTC_SLOW_CLK saves a small amount of time during boot.
#
# Setting option to zero is only recommended if not using sleep modes, or
# if you don't need accurate sleep times.
CONFIG_ESP32S2_RTC_CLK_CAL_CYCLES=0
examples: Add example for fastest startup time Example includes README and sdkconfig.defaults with notes about trade-offs made for minimum boot time. 2021-03-11 10:17:48 +00:00			`# Not calibrating RTC_SLOW_CLK saves a small amount of time during boot.`
			`#`
			`# Setting option to zero is only recommended if not using sleep modes, or`
			`# if you don't need accurate sleep times.`
			`CONFIG_ESP32S2_RTC_CLK_CAL_CYCLES=0`