EFM8LB11F16E-C-QFP32

Microcontrollers Overview

Silicon Labs EFM8LB11F16E-C-QFP32 is an 8-bit microcontroller from the Laser Bee family, featuring a CIP-51 core with a maximum operating frequency of 72 MHz. It integrates 16 kB of flash memory and 1.28 kB of RAM within a 32-pin QFP package. The device includes a 14-bit ADC with 20 channels, two analog comparators, four 12-bit DACs, and an internal calibrated temperature sensor. Communication interfaces include two UARTs, SPI, and SMBus/I2C. Operating voltage ranges from 2.2 V to 3.6 V across a temperature range of -40 °C to +105 °C.

Microcontrollers Feature Summary

• Integrates a pipelined CIP-51 core for high-performance execution at up to 72 MHz.
• Features comprehensive analog peripherals including a 14-bit ADC, four 12-bit DACs, and dual comparators.
• Includes multiple digital communication interfaces such as UART, SPI, and SMBus/I2C.
• Provides flexible I/O configuration with up to 29 multifunction pins and configurable logic units.

Microcontrollers Applications

• Optical network modules
• Precision instrumentation
• Industrial control and automation
• Smart sensors

Microcontrollers Procurement Notes

Verify the specific ordering suffix 'C' corresponds to the required commercial temperature grade (-40°C to +105°C) and that the QFP32 package matches your PCB footprint requirements. Confirm the bootloader type (UART) aligns with your programming infrastructure. Ensure the component meets RoHS compliance standards for your manufacturing process.

Microcontrollers Selection Notes

Select this part when a balance of analog precision and processing speed is required in a compact 32-pin form factor. The inclusion of four 12-bit DACs and a 14-bit ADC makes it suitable for signal conditioning tasks. Consider alternative packages like QFN if board space is more constrained than pin count.

Microcontrollers Part Context

The EFM8LB11F16E-C-QFP32 belongs to the EFM8LB1 Laser Bee family, designed for mixed-signal applications. This family emphasizes low power consumption alongside high performance, utilizing a fully integrated system-on-a-chip architecture. The CIP-51 core ensures compatibility with standard 8051 software while offering enhanced throughput through pipelining.

Microcontrollers Replacement Considerations

EFM8LB11F16E-A-QFP32: Different temperature grade (A vs C). EFM8LB11F32E-C-QFP32: Higher flash capacity (32 kB vs 16 kB). EFM8LB10F16E-C-QFP32: Lacks onboard DACs.