C8051F816-GSR

Overview

The C8051F816-GSR is a mixed-signal ISP Flash microcontroller from the Silicon Labs C8051F80x-83x family. It features a high-speed 8051 core with up to 25 MIPS throughput at a 25 MHz clock. The device includes up to 16 kB of in-system programmable Flash and 512 bytes of internal data RAM. Integrated analog peripherals consist of a 10-bit ADC supporting up to 500 ksps, a comparator, and a capacitance-to-digital converter. Digital interfaces include an enhanced UART, SMBus, and SPI. The unit operates on a supply voltage of 1.8 to 3.6 V within a temperature range of –40 to +85 °C.

Feature Summary

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

Applications

• Capacitive touch interface implementations
• Mixed-signal embedded control systems
• In-system programming applications

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package type matches design requirements. Check for end-of-life status as this family may be restricted for new designs. Ensure environmental compliance documentation aligns with project specifications.

Selection Notes

Evaluate memory capacity against application code size. Verify peripheral availability such as ADC channels and serial ports. Consider operating voltage and temperature range constraints. Assess development tool compatibility for debugging and programming needs.

Part Context

This component belongs to the C8051F80x-83x mixed-signal MCU family. These devices are designed for cost-sensitive applications requiring integrated analog and digital functions. The family emphasizes system-on-chip integration to reduce external component count.

Replacement Considerations

Consult official documentation for pin-compatible alternatives within the same family. Verify functional equivalence before substitution. Note that this specific series is marked as not recommended for new designs.