产品概述
产品特点
具体规格
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 |