esp32-dev/components/esp32-c6_specs.md

ESP32-C6 Specifications

芯片：esp32-c6 | 类别：specs | 信源： Espressif 官方文档

1. Core Architecture

• CPU: Single-core RISC-V, 160 MHz（HP CPU）+ LP RISC-V 20 MHz（协处理器）
• Wireless: Wi-Fi 6 (802.11ax, 2.4GHz, 20MHz only, 1T1R), BLE 5.3, Zigbee/Thread (802.15.4).
• Application: Next-gen Matter nodes, mesh networking, Wi-Fi 6 efficiency — IoT 芯片首次支持 WiFi 6.

2. Memory

• HP SRAM: 512 KB internal.
• LP SRAM: 16 KB.
• ROM: 320 KB.
• Cache: 32 KB L1.
• eFuse: 4096-bit.
• 外部 Flash: max 8 MB QSPI.

3. Peripheral Mapping

• GPIO Count: 30 (QFN40) / 22 (QFN32).
• ADC: 7 channels, 12-bit（仅 ADC1, GPIO0–6）.
• DAC: None.
• Touch: None.
• Hardware PWM: LEDC 6ch + MCPWM.
• UART: 3（2 HP + 1 LP）, max 5 Mbps.
• I2C: 2（1 HP + 1 LP）.
• SPI: 3（1 通用 SPI2）.
• I2S: 1 controller.
• CAN (TWAI): 2 controllers.
• USB Serial/JTAG: 1（GPIO12/13）.
• SDIO 2.0: 1（从机）.
• PARLIO: 1（并行 IO）.

4. Hardware Safety & Constraints

• ADC/WiFi Conflict: None.（C6 只有 ADC1，无 ADC2，RISC-V 架构已修复）
• Flash Pins: GPIO24–29（待核实确切范围）.
• Strapping Pins: GPIO4 (MTMS), GPIO5 (MTDI), GPIO8, GPIO9, GPIO15.
• LP GPIO: GPIO8–21 可用作 LP GPIO，由 LP CPU 直接驱动。
• 供电: 3.0–3.6V, 推荐 3.3V.
• Deep-sleep: ~7 µA.
• 工作温度: −40°C ~ +85°C（可扩展到 +105°C）.
• 封装: QFN40 (5×5mm) 或 QFN32 (5×5mm).

5. Wi-Fi 6 特性

• 802.11ax 20MHz-only non-AP mode
• OFDMA (UL/DL), MU-MIMO (DL)
• TWT (Target Wake Time) 省电
• 后向兼容 802.11 b/g/n
• TX power: +19.5 dBm (ax), +21 dBm (b)

6. 多协议支持

• Bluetooth 5.3 LE / Mesh
• Thread 1.3
• Zigbee 3.0
• Matter (via Thread/WiFi)