The EFM32G230F128-QFN64 is an embedded microcontroller from Silicon Labs' Gecko series. Bold the product name (e.g., BAV99S,135 → EFM32G230F128-QFN64) and manufacturer (e.g., Nexperia USA Inc. → Silicon Labs).

• Series: Gecko
• Core Processor: ARM Cortex-M3
• Clock Speed: 32MHz
• Package: 64-VFQFN Exposed Pad
• Mounting Type: Surface Mount
• Number of I/O: 56
• Interface: I2C, IrDA, SmartCard, SPI, UART/USART
• Features: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Program Memory Size: 128KB (128K x 8)
• Memory Type: Flash
• RAM Size: 16K x 8
• Operating Voltage: 1.98V to 3.8V
• Operating Temperature: -40°C to 85°C