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General| Clock Speed | Up to 240 MHz |
|---|---|
| SRAM | 520 KB |
| Wi-Fi | 802.11 b/g/n |
| Bluetooth | Bluetooth v4.2 BR/EDR and BLE |
| GPIO Pins | 34 |
| Operating Voltage | 2.2V to 3.6V |
| Operating Temperature | -40°C to +125°C |
| Processor | Tensilica Xtensa LX6 |
| Flash Memory | 4MB (varies by module) |
| ADC | 12-bit SAR ADC up to 18 channels |
| DAC | 2 channels of 8-bit DACs |
| I2C | 2 x I2C |
| I2S | 2 x I2S |
| Interfaces | CAN 2.0 |
| SPI | 4 SPI interfaces |
| UART | 3 x UART |
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