Silicon Labs EFM32PG12B500F1024GM48-B Microcontrollers

RAM: 256kx8

Core: ARM(R) Cortex(R)-M4

Speed: 40MHz

I/O port: 33

Interface: I2C/IrDA/LINbus/SmartCard/SPI/UART/USART

Mounting Type: Surface Mount

Number of bits: 32bit

Operating Voltage: 1.8 to 3.8V

Operating temperature range: -40 to 85C