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ESP Awesome

moduleCPUfreqROMSRAMWi-FiBluetooth外设desc
ESP8266Tensilica L10680/160 MHz-<50 KB user2.4 GHz-UART, SDIO, SPI, I2C, I2S, PWM, IR, ADC低成本经典 Wi-Fi MCU；资源较少，无蓝牙，适合简单联网、串口透传、传感器节点。
ESP32Xtensa LX6240 MHz448 KB520 KB + 16 KB RTC2.4 GHzClassic, BLE 4.2UART, SPI, I2C, I2S, RMT, LED PWM, TWAI, Ethernet MAC, ADC, DAC, Touch经典款，生态成熟、资料最多；适合通用 IoT、音频、网关、需要 Bluetooth Classic 的场景。
ESP32-S2Xtensa LX7240 MHz128 KB320 KB + 8 KB RTC2.4 GHz-USB OTG, UART, SPI, I2C, I2S, RMT, LED PWM, TWAI, LCD, ADC, DAC, Touch无蓝牙；强调安全、USB OTG、丰富 GPIO，适合 Wi-Fi-only 设备、USB 外设、人机接口。
ESP32-S3Xtensa LX7240 MHz384 KB512 KB + 16 KB RTC2.4 GHzBLE 5USB OTG, LCD, Camera, UART, SPI, I2C, I2S, RMT, LED PWM, TWAI, ADC, Touch带向量指令，适合 AIoT、语音/图像/信号处理、USB、需要 PSRAM 的 HMI 场景。
ESP32-C3RISC-V160 MHz384 KB400 KB + 8 KB RTC2.4 GHzBLE 5USB Serial/JTAG, UART, SPI, I2C, I2S, RMT, LED PWM, TWAI, ADC低成本 RISC-V Wi-Fi + BLE，适合替代 ESP8266、传感器、简单联网设备。
ESP32-C6RISC-V160 MHz320 KB512 KB + 16 KB LP2.4 GHzBLE 5802.15.4, USB Serial/JTAG, UART, SPI, I2C, I2S, RMT, LED PWM, TWAI, ADC低功耗 Wi-Fi 6 + BLE + Thread/Zigbee，适合 Matter、智能家居、边缘节点。
ESP32-H2RISC-V96 MHz128 KB320 KB + 4 KB LP-BLE 5802.15.4, USB Serial/JTAG, UART, SPI, I2C, I2S, RMT, LED PWM, TWAI, ADC无 Wi-Fi；面向低功耗 BLE/Thread/Zigbee/Matter 终端，常与 Wi-Fi SoC 组合做网关。
  • Bluetooth BR/EDR / Bluetooth Classic
    • 持续连接、高吞吐
    • 音频、耳机、音箱、串口 SPP
    • Profile，如 A2DP、HFP、SPP
  • BLE / Bluetooth Low Energy
    • 低功耗、短数据、间歇通
    • 传感器、手环、Beacon、配网、控制
    • GATT Service / Characteristic
  • BLE 5
    • 1Mbps -> 2Mbps
    • LE Coded PHY 长距离, S=2/S=8
    • Advertising Extensions - 广播包
    • 31bytes 更大广播数据包
    • Channel Selection Algorithm #2
    • Slot Availability Mask
    • LE Audio
    • Periodic Advertising
Bluetooth
├── Classic Bluetooth / BR/EDR
│   ├── A2DP 音频
│   ├── HFP 免提
│   └── SPP 串口
└── Bluetooth Low Energy / BLE
    ├── GATT
    ├── Beacon
    ├── Mesh
    └── 低功耗传感器/控制
  • ESP32-D0WDQ6 - 芯片 / SoC
    • ESP32 - SoC 系列
    • D0WD - 芯片变体, 双核
      • D - Dual core
        • S - Single core
        • U/D - Dual core
      • 0 - No in-package flash / PSRAM
      • WD - Wi-Fi b/g/n + Bluetooth/Bluetooth LE dual mode
      • H - High temperature
    • Q6 - QFN 封装 6×6 mm
  • ESP32-WROOM-32 - 模组
    • 模组型号, 可能封装了 ESP32-D0WDQ6 + SPI Flash + 晶振 + 射频匹配 + 天线
  • 开发板: ESP32 DevKit / NodeMCU-32S / ESP32-WROOM-32 DevBoard
  • 变体
    • D0WD - 双核
    • D2WD - 2MB flash
    • U4WDH - 4 MB flash
    • S0WD - 单核
abbr.stand forcn
NRNDNot Recommended for New Designs不推荐用于新设计
TWAITwo-Wire Automotive InterfaceCAN 总线控制器
ADCAnalog-to-Digital Converter模数转换器
DACDigital-to-Analog Converter数模转换器
TouchCapacitive Touch Sensor电容触摸传感器

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