C8051F816-GS

Overview

The C8051F816-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 16 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 throughput, a capacitance-to-digital converter for sensing applications, 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 16-pin SOIC, 20-pin QFN, and 24-pin QSOP packages.

Feature Summary

• Integrated capacitance-to-digital converter supporting buttons, sliders, wheels, and proximity sensing with fast conversion times.

Applications

• Capacitive touch sensing interfaces
• Mixed-signal embedded control systems
• Low-voltage industrial monitoring

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package type and suffix designations match project requirements. Check for end-of-life status as this family may be discontinued. Ensure environmental compliance documentation is available for integration.

Selection Notes

Select this MCU for designs requiring integrated capacitive sensing alongside standard mixed-signal processing. Evaluate pin count availability against I/O requirements. Consider power consumption profiles across different clock speeds and sleep modes. Verify compatibility with existing development tools and debug interfaces.

Part Context

This component belongs to the C8051F80x-83x series of fully integrated mixed-signal microcontrollers. These devices combine a high-performance 8051 CPU with extensive analog and digital peripherals on a single chip. The series targets cost-sensitive applications needing robust connectivity and sensing capabilities without external components.

Replacement Considerations

Consult official Silicon Labs documentation for current recommended replacements. Verify functional equivalence regarding pinout, memory size, and peripheral sets before substitution.