Silicon Labs EFR32MG21B010F512IM32-D 多协议无线系统芯片 2.4 GHz 系统芯片，多协议，512kB 闪存，64kB RAM，+10dBm，高安全存储，QFN32 封装，+125°C

Core: ARM Cortex M33

Technology: Si

Sensitivity: - 94 dBm

Output Power: 10 dBm

Data RAM Size: 64 kB

ADC Resolution: 12 bit

Data Bus Width: 32 bit

Interface Type: I2C, I2S, SPI, UART

Mounting Style: SMD/SMT

Number of I/Os: 20 I/O

Maximum Data Rate: 2 Mbps

Operating Frequency: 2.4 GHz

Program Memory Size: 512 kB

Program Memory Type: Flash

Supply Voltage - Max: 3.8 V

Supply Voltage - Min: 1.71 V

Maximum Clock Frequency: 80 MHz

Operating Supply Voltage: 3 V

Supply Current Receiving: 8.8 mA

Operating Temperature Range: - 40 C to + 125 C

Supply Current Transmitting: 33.8 mA

Maximum Operating Temperature: + 125 C

Minimum Operating Temperature: - 40 C