C8051F818-GM

Overview

The C8051F818-GM is a mixed-signal ISP Flash microcontroller from the Silicon Labs C8051F80x-83x family. It features an 8-bit CIP-51 core operating at up to 25 MHz, providing 25 MIPS throughput. The device includes 8 KB of in-system programmable Flash memory and 512 bytes of internal data RAM. Key peripherals include a capacitance-to-digital converter supporting up to 16 channels with 16-bit resolution, a 10-bit ADC with up to 500 ksps sampling rate, and three general-purpose 16-bit timers. Communication interfaces consist of hardware-enhanced UART, SMBus (I2C compatible), and enhanced SPI ports.

Feature Summary

• Integrated capacitance-to-digital converter for capacitive sensing applications
• High-speed pipelined 8051 core architecture
• On-chip debug circuitry for non-intrusive in-system debugging
• Mixed-signal analog peripherals including ADC and comparators

Applications

• Capacitive touch sensing interfaces
• Industrial control systems
• Battery-powered devices
• Data acquisition systems

Procurement Notes

Verify component status as this series is marked Not Recommended for New Designs. Confirm package availability matches the specific suffix requirements. Review datasheet revision history for any electrical characteristic updates prior to finalizing procurement specifications.

Selection Notes

Select this model when existing designs utilize the C8051F8xx family. Evaluate pin compatibility across the QFN-20, QSOP-24, and SOIC-16 packages. Ensure application requirements align with the 1.8V to 3.6V supply voltage range and -40°C to +85°C temperature specifications.

Part Context

This component belongs to the C8051F80x-83x mixed-signal MCU family. It shares architectural similarities with other members like the C8051F800 and C8051F812, differing primarily in memory size and peripheral configurations. The family emphasizes high integration and low power consumption for embedded applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official obsolescence notices or manufacturer recommendations for alternative solutions.