EFM8BB52F32I-C-QFN32R

Microcontrollers Overview

The EFM8BB52F32I-C-QFN32R is an 8-bit microcontroller from Silicon Labs' Busy Bee family, utilizing the CIP-51 8051 core with a maximum operating frequency of 50 MHz. It features 32 KB of in-system programmable flash memory and 2.25 KB of RAM. The device includes sixteen 12-bit SAR ADC channels and one 10-bit DAC. Operating voltage ranges from 1.8 V to 5.5 V, supporting 5 V capable I/O pins. It is housed in a 32-pin QFN (5x5 mm) package and operates within a temperature range of -40°C to +125°C.

Microcontrollers Feature Summary

• Integrates advanced analog peripherals including multiple high-resolution ADCs and a DAC for signal processing applications.
• Offers flexible pin mapping via priority crossbar, allowing any pin to be assigned to any peripheral function.
• Supports wide supply voltage operation from 1.8 V to 5.5 V, enabling compatibility with various system power rails.

Microcontrollers Applications

• Space-constrained embedded systems requiring high integration
• Battery-powered devices leveraging low-power architecture
• Industrial control and instrumentation equipment

Microcontrollers Procurement Notes

Verify the specific suffix 'I-C-QFN32R' against the official datasheet to confirm temperature grade and package dimensions. Ensure the ordering part number matches the required tape-and-reel quantity specified by the manufacturer. Cross-reference the RoHS status and moisture sensitivity level prior to procurement to meet assembly requirements.

Microcontrollers Selection Notes

Select this component when a cost-effective 8-bit solution with extensive analog capabilities is required. The BB52 variant provides more ADC channels compared to lower-tier models like the BB51. Consider the 5 V tolerant I/O if interfacing with legacy logic levels without additional level shifting components.

Microcontrollers Part Context

This MCU belongs to the EFM8BB5 Busy Bee series, designed as a successor to previous 8-bit offerings. It targets applications needing a balance of performance and low cost. The family shares a common instruction set and peripheral structure, facilitating migration from older C8051-based designs while offering enhanced analog integration.

Microcontrollers Replacement Considerations

Direct substitutes within the same package include other EFM8BB52 variants with different memory sizes or suffixes, provided the pinout remains identical. Verify electrical specifications such as voltage range and temperature rating before substituting with EFM8BB51 or EFM8BB50 series parts.