EFM8LB11F32ES1-B-QFN24R

Microcontrollers Overview

The EFM8LB11F32ES1-B-QFN24R is an 8-bit microcontroller from Silicon Labs' Laser Bee series, utilizing the CIP-51 8051 core. It features 32 kB of Flash memory and 2.25 kB of RAM. The device operates at a maximum clock frequency of 72 MHz within a voltage range of 2.2 V to 3.6 V. It includes a 14-bit ADC with 12 channels and dual 12-bit DACs. The component provides 20 I/O pins and supports interfaces including I2C, SPI, and UART. It is housed in a QFN-24 package and functions across temperatures from -40°C to +105°C.

Microcontrollers Feature Summary

• Integrates high-resolution analog peripherals including a 14-bit ADC and dual 12-bit DACs for precision signal processing.
• Features a pipelined CIP-51 8051 core delivering up to 72 MHz performance for efficient code execution.
• Includes comprehensive digital connectivity options such as multiple UARTs, SPI, and I2C interfaces.

Microcontrollers Applications

• Optical modules
• Instrumentation equipment
• Factory automation equipment

Microcontrollers Procurement Notes

Verify the specific suffix 'ES1' against official documentation to confirm exact manufacturing lot or revision details, as standard datasheets may list base part numbers without this specific identifier. Confirm availability status as distribution records indicate potential discontinuation for related variants in this family. Ensure the QFN-24 package dimensions match the target PCB footprint requirements before finalizing procurement decisions.

Microcontrollers Selection Notes

Select this component when a robust 8051 architecture is required alongside significant analog integration capabilities. The inclusion of a 14-bit ADC and dual DACs makes it suitable for applications demanding precise data conversion. Consider the 72 MHz operating speed and extensive peripheral set for complex control tasks. Verify that the 2.2 V to 3.6 V supply range aligns with the system power design constraints.

Microcontrollers Part Context

This microcontroller belongs to the EFM8LB1 Laser Bee series, designed for analog-intensive applications. The series combines a powerful 8051 core with high-performance analog peripherals in compact packages. It targets systems requiring standalone functionality with integrated monitoring features like brown-out detection and watchdog timers.

Microcontrollers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.