Arm Cortex-M4F CPU
Introduction
Benefits
Arm Cortex-M4F CPU
Support 2.4G WiFi
Audio System
Support JPEG Video Encode
Specifications
| CPU | Arm Cortex-M4F, up to 384MHz |
| WLAN | 2.4G, IEEE 802.11b/g/n |
| Package | QFN52, 6mm x 6mm, 0.4p |
| Power | 1.8 ~ 5.5V Vbat |
| RAM | 416KB |
| ROM | 160KB |
| PSRAM | SiP 4MB OPI PSRAM. Also can be expanded externally |
| QPI+XIP Flash | 1 |
| UART | 3 |
| SPI | 2 |
| I2C | 2 |
| PWM | 8 |
| DAC | 1 |
| ADC | 7 |
| SDIO | 1 |
| IR | TX *1, RX *1 |
| Audio Codec | 24bit ADC + 24bit DAC + Linein I2S x1, DMIC x1 |
| Camera Input | JPEG - 1920 x 1088 JPEG or 640x480@30fps |
| Wakeup IO | 9 |
| GPIO | 33 |
| Software System | FreeRTOS AliOS-Things OpenHarmonyOS |
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