C8051F302-GS

Overview

The C8051F302-GS is an 8-bit mixed-signal microcontroller from the C8051F30x family, featuring a high-speed CIP-51 core with up to 25 MIPS throughput at a 25 MHz clock. It integrates 8 kB of in-system programmable Flash memory and 256 bytes of internal data RAM. Key analog peripherals include an 8-bit ADC supporting up to 500 ksps with eight external inputs and a comparator. The device operates on a supply voltage of 2.7 V to 3.6 V and supports temperatures from –40 °C to +85 °C. Available in compact 11-pin QFN or 14-pin SOIC packages.

Feature Summary

• Features a pipelined CIP-51 core that executes 70% of instructions in one or two system clocks for improved throughput over standard 8051 architectures.
• Integrates an 8-bit ADC with programmable amplifier gains and a built-in temperature sensor for precise signal acquisition.
• Includes hardware-enhanced UART and SMBus serial ports alongside three general-purpose 16-bit counter/timers.
• Supports full-speed, non-intrusive in-system debug via on-chip circuitry without requiring external emulation hardware.

Applications

• Data acquisition systems requiring multi-channel analog input
• Industrial control applications utilizing SMBus communication
• Temperature monitoring devices leveraging integrated sensors
• Embedded systems needing low-power operation modes

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors. Confirm package type matches design requirements as variants exist. Check RoHS compliance status as indicated in specific datasheet revisions. Ensure ordering suffixes align with intended thermal and mechanical specifications. Validate end-of-life status before finalizing procurement plans.

Selection Notes

Select this model when 8 kB Flash and 256 bytes RAM suffice for application logic. Choose the 11-pin QFN for minimal footprint constraints or the 14-pin SOIC for easier prototyping. Opt for this variant specifically for its dedicated 8-bit ADC capabilities compared to other family members lacking this peripheral. Consider power consumption profiles across different operating frequencies.

Part Context

Part of the C8051F30x series, which provides a complete system-on-a-chip solution. This family emphasizes high integration by combining digital processing with analog peripherals. The C8051F302 distinguishes itself within the group by including the specific 8-bit ADC configuration detailed in its datasheet. It represents a mature technology line designed for cost-sensitive embedded applications.

Replacement Considerations

Consult the official product selection guide for direct pin-compatible alternatives within the same family. Verify memory sizes and peripheral availability match original design needs. Cross-reference package dimensions if physical space is constrained. Review updated datasheets for any changes in electrical characteristics or recommended usage guidelines.