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EFM8BB10F8G-A-QFN20

SiLEFM8BB10F8G-A-QFN20

Silicon Labs
CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 25MHz 8KB (8K x 8) FLASH 20-QFN (3x3)
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Overview

The EFM8BB10F8G-A-QFN20 is a high-performance 8-bit microcontroller from the Busy Bee family, featuring a pipelined CIP-51 core that operates up to 25MHz. This compact MCU integrates 8KB of flash, 512 bytes of RAM, and a high-resolution 12-bit ADC in a space-saving 3x3mm QFN20 package. It is designed for simple, cost-effective embedded applications that require precision analog peripherals and standard serial communication.

Why Choose This Part

The device offers an impressive 12-bit ADC resolution in a very small 3x3mm footprint, providing high analog precision for its price class. Its 5V tolerant I/Os and integrated oscillator simplify board design by reducing the need for external level shifters and clock components.

Applications

Optical Modules
Utilizing the 12-bit ADC and compact footprint for control and monitoring in small-form-factor networking equipment.
Sensor Interfaces
Serving as a localized controller to aggregate analog sensor data via the 15-channel ADC and transmit it over I2C or UART.
Motor Control Housekeeping
Managing basic PWM signals and safety monitoring for small motor systems using the integrated watchdog and brown-out reset.
Power Supply Monitoring
Monitoring voltage rails and temperature for system health logging and fault protection.

Key Specifications

Speed 25MHz
RAM Size 512 x 8
Core Size 8-Bit
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Connectivity I2C, SMBus, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 16
Core Processor CIP-51 8051
Package / Case 20-UFQFN Exposed Pad
Data Converters A/D 15x12b
Oscillator Type Internal
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 20-QFN (3x3)
Voltage - Supply (Vcc/Vdd) 2.2V ~ 3.6V

Getting Started

Developers can use the Simplicity Studio IDE, which provides pre-configured libraries and a compiler for the 8051 core. Hardware evaluation is most easily performed using the EFM8BB10 STK (Starter Kit), which includes an on-board debugger and connects directly via USB.

Categories

Microcontrollers > 8051