C8051F815-GS

Overview

The C8051F815-GS is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F80x-83x family, featuring a high-speed pipelined 8051 core operating at up to 25 MHz. It integrates 8 KB of in-system programmable Flash memory and 512 bytes of internal data RAM. The device includes a 10-bit ADC with up to 500 ksps conversion rate, a capacitance-to-digital converter for capacitive sensing, and multiple digital peripherals including UART, SMBus, and SPI. It operates on a supply voltage range of 1.8 V to 3.6 V and is available in a 16-pin SOIC package.

Feature Summary

• Integrated capacitance-to-digital converter supporting buttons, sliders, wheels, and proximity sensing with auto-scan capabilities.
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Pipelined instruction architecture executing 70% of instructions in one or two system clocks for efficient processing.
• Hardware-enhanced serial communication interfaces including UART, SMBus, and SPI for versatile connectivity.

Applications

• Capacitive touch sensing interfaces
• Data acquisition systems
• Embedded control logic
• Serial communication gateways

Procurement Notes

Verify component authenticity through authorized distributors. Confirm package type matches design requirements. Check datasheet revision for electrical characteristics updates. Ensure environmental ratings align with application conditions. Validate pinout compatibility during integration.

Selection Notes

Evaluate memory requirements against the 8 KB Flash and 512-byte RAM limits. Consider analog peripheral needs such as ADC resolution and capacitive sensing channels. Assess clock source options including internal oscillator accuracy. Review power management modes for energy efficiency. Verify I/O port configurations for interface compatibility.

Part Context

This component belongs to the C8051F80x-83x series of mixed-signal ISPs Flash MCUs. The family shares common architectural features including the CIP-51 core and integrated analog peripherals. Variants within the series differ primarily in memory size and I/O count. The C8051F815-GS represents a specific configuration optimized for cost-sensitive applications requiring moderate performance.

Replacement Considerations

Consult official documentation for cross-references. Verify pin compatibility and electrical specifications before substitution. Ensure software compatibility with target firmware. Check package dimensions for mechanical fit. Review end-of-life status for long-term availability.