Silicon Labs EFR32FG23B020F512IM40-C Sub-GHz FG23，Sub-GHz，512kB 闪存，64kB RAM，+20 dBm，安全保险库-高，+125°C，QFN40

Core: ARM Cortex M33

Technology: Si

Data RAM Size: 64 kB

Mounting Style: SMD/SMT

Moisture Sensitive: Yes

Operating Frequency: 78 MHz

Supply Voltage - Max: 3.8 V

Supply Voltage - Min: 1.71 V

Maximum Operating Temperature: + 125 C

Minimum Operating Temperature: - 40 C