Silicon Laboratories, Inc. EFM8UB31F40G_QFN24

The Silicon Laboratories, Inc. EFM8UB31F40G_QFN24 is a High-speed pipelined CIP-51 (8051) MCU (core running up to 48 MHz), 40KBytes Flash, 256 Bytes Data RAM, 2048 Bytes XRAM. Three Internal Oscillators (48 MHz, 24.5 MHz, and 80 kHz) USB Full/Low speed Function Controller SMBus SPI UART 3 Channel Programmable Counter Array (PWM, Clock Generation, Capture/Compare) 6 16-bit Timers 4 Configurable Logic Units 2 Low-current analog comparators 17 Digital I/O lines, 1 12-bit ADC Unit with 16 Channels, 8 Comparator_1 inputs 8 Comparator_2 inputs Pre-loaded USB bootloader On-Chip: Low-dropout (LDO) regulator, Power-On reset circuit, brownout detector, 5V to 3.3V LDO regulator, and the non-intrusive Silicon Labs 2-Wire (C2) debug interface.