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EFM8BB31F32G-D-QFN24R

SiLEFM8BB31F32G-D-QFN24R

Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
11,548 in stock

Overview

The EFM8BB31F32G-D-QFN24R is a high-performance 8-bit microcontroller from Silicon Labs Busy Bee family, based on the pipelined CIP-51 core. Operating at up to 50 MHz, it provides a versatile set of peripherals including a 12-bit ADC and multiple communication interfaces in a compact 4x4 mm QFN24 package.

Why Choose This Part

This MCU offers a high clock speed of 50 MHz for an 8051-based device, combined with remarkably low power consumption, drawing only 0.91 uA in shutdown mode. The inclusion of 5V tolerant IOs and a flexible crossbar for pin mapping simplifies PCB layout and hardware integration.

Applications

Sensor Interfacing
Utilizing the 12-bit ADC and integrated temperature sensor for precision analog data collection in industrial environments.
Consumer Electronics
Managing system logic and user interface tasks in battery-powered devices requiring low standby current.
Motor Control Support
Generating high-speed PWM signals and handling real-time control loops for small brushless or brushed DC motors.
IO Expansion
Serving as a smart peripheral controller for larger SOCs using I2C or SPI to offload timing-critical IO tasks.

Getting Started

Development is supported by the Simplicity Studio IDE, which provides pre-compiled libraries and configuration tools. For hardware evaluation, the EFM8BB31 Explorer Kit (EFM8BB3-PK5203A) provides an integrated debugger and access to all MCU pins.

Also Consider

ATtiny3216 MCHPMicrochip - A 32KB flash 8-bit MCU with modern AVR architecture and robust peripheral set in a similar pin count.
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