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Technical parameters

Power
关断电流15uA
内置DMA通道1
最大工作电压3.8V
最小工作电压1.8V
AC and DC characteristics
ADC最高分辨率12bit
DAC最高分辨率12bit
最大主核频率40MHZ
Environment and package
最大工作温度125℃
最小工作温度-40℃
Other
BLE MESH0
I2C2
I2S1
I/O数量31
LPUART1
RAM256KB
RX接收灵敏度-102.7dBm
SPI4
TX发射功率10dBm
USB功能0
充电管理0
内置DCDC转换器1
内置程序空间1024KB
实时时钟1
比较器2
硬件加密1
计数器数量5
音频编解码0

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