C8051F332-GMR

Overview

The C8051F332-GMR is a mixed-signal ISP Flash microcontroller from Silicon Labs, part of the C8051F33x series. It features a high-speed 8051 core with up to 25 MIPS throughput at a 25 MHz clock frequency. The device includes 4 kB of in-system programmable Flash memory and 768 bytes of internal data RAM. Key analog peripherals include a 10-bit ADC supporting up to 200 ksps conversion rate and a built-in temperature sensor. It operates within a supply voltage range of 2.7 V to 3.6 V and is housed in a 20-pin QFN package.

Feature Summary

• Integrated 10-bit Analog-to-Digital Converter (ADC) with up to 200 ksps sampling capability
• High-speed pipelined 8051 microcontroller core executing up to 25 MIPS
• In-system programmable Flash memory for code storage
• On-chip debug circuitry facilitating non-intrusive in-system debugging

Applications

• Data acquisition systems requiring analog signal processing
• Embedded control applications utilizing serial communication interfaces
• Portable devices operating on low voltage power supplies

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status prior to integration. Check datasheet revision history for any updates to electrical characteristics or pin definitions. Ensure design compatibility with the specified 2.7 V to 3.6 V operating voltage range. Review manufacturer notices regarding end-of-life status before finalizing procurement plans.

Selection Notes

Select this component when a mixed-signal solution with integrated ADC and Flash is required. Consider the 20-pin QFN package constraints for PCB layout. Evaluate the 4 kB Flash capacity against application firmware size requirements. Verify that the 10-bit ADC resolution meets system accuracy needs. Assess power consumption profiles against battery life expectations if applicable.

Part Context

This microcontroller belongs to the C8051F33x family, which offers varying Flash sizes and peripheral configurations. The C8051F332 variant specifically provides 4 kB of Flash memory, distinguishing it from the 8 kB and 2 kB options available in other members of the series. All variants share the same core architecture and analog peripheral set.

Replacement Considerations

Consult the official product selection guide for direct functional equivalents within the C8051F33x series. Verify pinout compatibility and memory size differences when considering alternative part numbers.