EFM8BB21F16G-C-QFN20

The maximum operating frequency of the pipelined 8-bit C8051 core in the EFM8BB2 microcontroller is 50 MHz.

The EFM8BB2 family of MCUs in the Busy Bee family has applications in space-constrained applications due to their small packages. They are ideal for embedded applications as they integrate advanced analog and enhanced high-speed communication peripherals. Some applications mentioned for the EFM8BB2 family include: 1. Embedded applications 2. Space-constrained applications

According to the EFM8BB2 data sheet, some key features of the EFM8BB2 microcontroller include: - Pipelined CIP-51 Core with a maximum operating frequency of 50 MHz - Up to 16 KB flash memory, in-system re-programmable, with different sector sizes - Up to 2304 bytes RAM, including standard 8051 RAM and on-chip XRAM - 5 V-input LDO regulator and internal LDO regulator for CPU core voltage - Up to 22 multifunction I/O pins, all 5 V tolerant under bias - Internal oscillators with different accuracies - Integrated temperature sensor - 3-channel PWM / PCA with special hardware kill/safe state capability - Five 16-bit timers - Two UARTs, SPI, SMBus/I2C master/slave EFM8BB2 microcontroller is part of the Busy Bee family of MCUs, offering high-value integration of advanced analog and enhanced high-speed communication peripherals into small packages, making it ideal for space-constrained applications. With an efficient 8051 core, enhanced pulse-width modulation, and precision analog capabilities, the EFM8BB2 family is optimal for embedded applications .