The EFM32TG11B520F128IM80-BR is a microcontroller integrated circuit manufactured by Silicon Labs.

• Series: Tiny Gecko 1
• Core Processor: ARM Cortex-M0+
• Speed: 48MHz
• Package: tape and reel
• Standard Package: 1,000
• Mounting: SMD (SMT)
• Core Size: 32-bit single-core
• Connectivity: CANbus, I2C, IrDA, LINbus, SmartCard, SPI, and UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, and WDT
• I/O: 67
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• EEPROM Size: None
• RAM Size: 32K x 8
• Data Converters: A/D 12bit SAR; D/A 12bit
• Oscillator Type: internal
• Package: 80-WFQFN Exposed Pad
• Supplier Device Package: 80-QFN (9x9)
• Operating Temperature: -40°C to 125°C (TJ)
• Operating Supply Voltage: 1.8V to 3.8V