EN: Reset BOOT: Boot mode selection External oscillator pins XTAL: Oscillator crystal input XTAL32: Oscillator crystal output GPIO general-purpose input/output pins: These areused for a variety of purposes, such as: Digital input/output Analog input SPI/I2C/UART communication. ADC (analog-to-dig...
For more details on selecting the boot mode, see the following Wiki pages: ESP8266 Boot Mode Selection ESP32 Boot Mode Selection Flash Modes write_flashand some other comands accept command line arguments to set bootloader flash mode, flash size and flash clock frequency. The chip needs correct...
https://github.com/espressif/esptool/wiki/ESP32-Boot-Mode-Selection#select-bootloader-mode ryan4volts commented Nov 30, 2020 • edited I have also had contention on IO12, where the below happens and timesout. This is because I have the IO attached to an SPI CLK. Despite the micro be...
[15:26:41:990] <0x1b>[0;32mI (39) boot.esp32c3: SPI Mode : DIO<0x1b>[0m␍␊ [15:26:41:996] <0x1b>[0;32mI (43) boot.esp32c3: SPI Flash Size : 2MB<0x1b>[0m␍␊ [15:26:42:001] <0x1b>[0;32mI (48) boot: Enabling RNG early entropy source...<0x1b>...
• 信道选择 (Channel Selection Algorithm #2) • 功率控制 (LE Power Control) – 双载波调制 (dual carrier modulation, DCM), 提高链路稳定性 • Wi-Fi 与蓝牙共存,共用同一个天线 – 空间复用 (Spatial reuse),提升网络容量 IEEE 802.15.4 – 目标唤醒时间 (TWT) ,提供更好的节能机制 • 兼容...
乐鑫 ESP32-C3 系列芯片 技术规格书说明书
Startup code called from the reset vector determines the boot mode by checking GPIO_STRAP_REG register for bootstrap pin states. Depending on the reset reason, the following takes place: Reset from deep sleep: if the value in RTC_CNTL_STORE6_REG is non-zero, and CRC value of RTC memory...
IO_x_MCU_WPUPull-upenableofthepadduringsleepmode.1:internalpull-upenabled;0:internal pull-updisabled.(R/W) IO_x_MCU_WPDPull-downenableofthepadduringsleepmode.1:internalpull-downenabled;0: internalpull-downdisabled.(R/W) IO_x_SLP_SELSleepmodeselectionofthispad.Setto1toputthepadinsleepmode...
SPI_BOOT_CRYPT_CNT (BLOCK0) Enables encryption and decryption, when an SPI boo = Disable R/W (0b000) t mode is set. Enabled when 1 or 3 bits are set,di sabled otherwise SECURE_BOOT_KEY_REVOKE0 (BLOCK0) If set, revokes use of secure boot key digest 0 = False R/W (0b0) ...
I (49) boot: chip revision: 3 I (51) boot_comm: chip revision: 3, min. bootloader chip revision: 2 I (59) boot.esp32c3: SPI Speed : 40MHz I (63) boot.esp32c3: SPI Mode : DIO I (68) boot.esp32c3: SPI Flash Size : 4MB ...