C8051F829-GSR

Overview

The C8051F829-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 frequency. 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 capacitive sense module with 16 input channels, and digital interfaces such as UART, SMBus, and SPI. It operates on a supply voltage range of 1.8 V to 3.6 V within an industrial temperature range of –40 °C to +85 °C.

Feature Summary

• Integrated capacitive sense module supporting buttons, sliders, wheels, and proximity sensing with auto-scan capabilities.
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• High-speed pipelined 8051 core executing 70% of instructions in one or two system clocks for efficient processing.
• Versatile analog peripherals including a 10-bit ADC and comparators with programmable hysteresis.

Applications

• Capacitive touch interface implementations
• Industrial control systems requiring mixed-signal processing
• Portable devices utilizing low-voltage operation

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required package type and tape-and-reel specifications. Ensure compliance with RoHS directives and check for any obsolescence notices, as this family may be marked not recommended for new designs.

Selection Notes

Evaluate the C8051F829-GSR against other members of the C8051F80x-83x series based on specific memory sizes and peripheral availability. Consider the operating voltage requirements and package constraints when selecting between SOIC, QFN, or QSOP variants. Review the electrical characteristics to ensure compatibility with the target application's power budget and signal integrity needs.

Part Context

This component belongs to the C8051F80x-83x mixed-signal MCU family by Silicon Labs. These devices are designed as complete system-on-a-chip solutions, integrating a fast 8051 core with extensive analog and digital peripherals. The family emphasizes ease of development through on-chip debug capabilities and in-system programming flexibility.

Replacement Considerations

Consult the official product selection guide for pin-compatible alternatives within the C8051F80x-83x family. Verify that substitute part numbers maintain identical memory configurations and peripheral sets to ensure software compatibility without hardware modifications.