C8051F863-C-GS

Overview

The C8051F863-C-GS is an 8-bit microcontroller from the Silicon Labs C8051F85x/86x 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 512 Bytes of RAM. The device includes a 12-bit Analog-to-Digital Converter with up to 16 input channels, two analog comparators, and communication peripherals such as UART, I2C/SMBus, and SPI. Operating within a supply voltage range of 2.2 V to 3.6 V, it supports industrial temperature ranges up to +125 °C.

Feature Summary

• High-speed pipelined CIP-51 core compatible with standard 8051 instruction sets
• Integrated 12-bit ADC with multiple input channels and configurable reference options
• On-chip debug circuitry enabling non-intrusive system debugging without external emulators
• Robust analog features including programmable comparators and internal oscillators

Applications

• Battery chargers
• Electronic toys and games
• Motor control systems
• Optical communications modules

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches required package and temperature grades. Check for End-of-Life notices as this family may be marked Not Recommended for New Designs. Ensure compatibility with existing firmware and hardware interfaces before procurement.

Selection Notes

Select this model for applications requiring high integration in a small footprint. The CIP-51 core offers improved performance over standard 8051 architectures. Consider the available package options and temperature ratings when designing for harsh environments. Evaluate peripheral requirements against the integrated ADC, timers, and communication interfaces to ensure sufficient resources.

Part Context

This component belongs to the C8051F85x/86x series of low-cost 8-bit mixed-signal MCUs. The family provides a balance of processing power and analog capabilities within compact packages. These devices are designed for cost-sensitive applications requiring reliable standalone operation with minimal external components.

Replacement Considerations

Consult official documentation for qualified substitute part numbers within the same family or equivalent performance tiers. Verify pinout compatibility and electrical specifications before substitution.