C8051F823-GS

Overview

The C8051F823-GS is a mixed-signal ISP Flash microcontroller from the Silicon Labs C8051F80x-83x family. It features an 8-bit CIP-51 core with up to 25 MIPS throughput at 25 MHz. The device includes 8 KB of in-system programmable Flash memory and 512 bytes of internal data RAM. Key peripherals include a 10-bit ADC, capacitive sense controller, comparators, UART, SMBus, SPI, PCA, and CRC unit. It operates on a 1.8V to 3.6V supply within a -40°C to +85°C temperature range.

Feature Summary

• Integrated Capacitance to Digital Converter for sensing buttons, sliders, wheels, and proximity detection
• 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
• Hardware-enhanced serial ports including UART, SMBus, and SPI for versatile communication

Applications

• Capacitive touch interface designs requiring button and slider sensing
• Embedded systems needing high-speed analog-to-digital conversion
• Industrial control applications utilizing robust digital peripheral sets
• Low-voltage portable devices operating within specified thermal ranges

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package type matches design requirements as variants exist. Check datasheet revision history for updates. Ensure environmental compliance aligns with project specifications. Validate pinout compatibility during PCB layout finalization.

Selection Notes

Evaluate memory requirements against available Flash and RAM capacities. Assess peripheral needs such as ADC resolution and serial interfaces. Consider clock source options including internal oscillator stability. Review power management modes for energy efficiency targets. Verify voltage supply constraints match system power rails.

Part Context

This component belongs to the C8051F80x-83x series of mixed-signal microcontrollers. These devices integrate standard 8051 functionality with advanced analog and digital peripherals. The family emphasizes high integration and ease of development through on-chip debugging capabilities.

Replacement Considerations

Consult official obsolescence notices for this product line. Identify compatible members within the C8051F80x-83x family based on pin and feature matching. Verify software compatibility when migrating between specific part numbers.