EFM8BB21F16I-C-QFN20 Datasheet PDF - Silicon Labs

The EFM8BB21F16I-C-QFN20 is an 8bit microcontroller from Busy Bee 2 family in 20 pin QFN package. This is a multipurpose line of 8bit MCU with a comprehensive feature set in small packages. This device offers high value by integrating advanced analogue and communication peripherals, making them ideal for space constrained applications. With an efficient 8051 core, enhanced pulse width modulation and precision analogue. The EFM8BB2 family is also optimal for embedded applications, sensor controllers and high-speed communication hub.

● Single operating power supply of 2.2V to 3.6V

● Pipelined 8bit C8051 core with 50MHz maximum operating frequency

● 12bit ADC, 2 x low current analogue comparators with adjustable reference

● Integrated temperature sensor, 3-channel enhanced PWM/PCA & five 16bit timers

● Priority crossbar for flexible pin mapping

● 16KB flash memory, 2304bytes RAM and 16 digital port I/Os (total)

● Internal 49MHz oscillator (±1.5% accuracy), internal 24.5KHz low frequency oscillator (±2% accuracy)

● Internal 80KHz low-frequency oscillator & external CMOS clock option

● 15 ADC0 channels, 10 comparator 0 inputs and 7 comparator 1 inputs

● Two UARTs, SPI, SMBus/I2C master/slave & I2C slave, operating temperature range from -40°C to +125°C