C8051F833-GS

Overview

The C8051F833-GS is a mixed-signal ISP Flash microcontroller from the 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 memory and 512 bytes of internal data RAM. Key peripherals include a 10-bit ADC supporting up to 500 ksps, a Capacitance to Digital Converter with 16-bit resolution, and an on-chip debug circuitry. It operates within a supply voltage range of 1.8 to 3.6 V and supports temperature ranges from –40 to +85 °C.

Feature Summary

• Integrated Capacitance to Digital Converter for capacitive sensing applications
• On-chip debug circuitry enabling non-intrusive in-system debugging
• High-speed pipelined 8051 core architecture
• In-system programmable Flash memory

Applications

• Capacitive touch sensing interfaces
• Mixed-signal control systems
• Industrial sensor monitoring
• Battery-powered embedded devices

Procurement Notes

Verify the component status as the datasheet indicates this family is Not Recommended for New Designs. Confirm package availability matches the specific suffix requirements. Ensure design reviews account for end-of-life implications if applicable. Cross-reference ordering information tables for exact pinout and electrical specifications before finalizing procurement plans.

Selection Notes

Select this MCU for applications requiring integrated capacitive sensing alongside standard mixed-signal processing. Evaluate the 25 MHz performance limit against system timing requirements. Consider the 1.8V to 3.6V operating range for power supply compatibility. Review the available I/O configurations and peripheral sets to ensure sufficient resources for the target application.

Part Context

This part belongs to the C8051F80x-83x series of mixed-signal microcontrollers by Silicon Labs. These devices are designed as System-on-a-Chip solutions, integrating analog peripherals, digital interfaces, and a high-performance CPU. The series emphasizes ease of development through full-speed on-chip debugging capabilities.

Replacement Considerations

Consult the official product selection guide for direct pin-compatible or functionally equivalent alternatives within the same family. Verify that any substitute maintains the required Flash size, RAM capacity, and peripheral set. Check current manufacturing status and recommended design status for potential successors.