C8051F802-GUR

Overview

The C8051F802-GUR is an 8-bit mixed-signal microcontroller from the C8051F80x-83x family, manufactured by Silicon Labs. It features a high-speed CIP-51 core operating at up to 25 MHz with pipelined architecture. The device includes 16 kB of in-system programmable Flash memory and 512 bytes of internal data RAM. Key peripherals include a 10-bit ADC supporting up to 500 ksps, a Capacitance-to-Digital Converter for sensing applications, and standard digital interfaces such as UART, SMBus, and SPI. It operates within a supply voltage range of 1.8 V to 3.6 V and is available in a 24-pin QSOP package.

Feature Summary

• Integrated Capacitance-to-Digital Converter supports buttons, sliders, wheels, and capacitive proximity sensing with fast conversion times.
• High-speed 8051 core executes instructions efficiently with pipelined architecture for improved throughput.
• On-chip debug circuitry enables full-speed, non-intrusive in-system debugging without external emulators.
• Comprehensive analog peripherals include a 10-bit ADC, programmable comparators, and temperature sensor.

Applications

• Capacitive touch sensing interfaces
• Data acquisition systems requiring analog-to-digital conversion
• Embedded control logic for industrial or consumer devices
• Low-voltage portable electronic applications

Procurement Notes

Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm RoHS compliance status via official documentation before integration. Check current lifecycle status as this specific part may be discontinued or subject to last-time buy restrictions. Ensure packaging specifications match design requirements for surface mount assembly processes.

Selection Notes

Evaluate memory requirements against the 16 kB Flash and 512 B RAM limits. Consider the 10-bit ADC resolution and sampling rate suitability for signal processing needs. Assess pin count availability in the 24-pin QSOP package for I/O expansion. Verify voltage compatibility with the 1.8 V to 3.6 V operating range and check if the integrated clock sources meet timing constraints.

Part Context

This component belongs to the C8051F80x-83x series of mixed-signal ISPs Flash MCUs. These devices are designed for high-performance embedded applications requiring significant on-chip peripheral integration. The series emphasizes low power consumption and robust analog capabilities alongside standard digital communication interfaces.

Replacement Considerations

Consult the manufacturer's product selection guide for direct functional equivalents within the same family. Verify pinout compatibility and peripheral mapping when considering alternative packages or updated revisions. Cross-reference electrical characteristics to ensure performance parity in existing designs.