C8051F702-GQ

Overview

The C8051F702-GQ is an 8-bit mixed-signal ISP Flash MCU from Silicon Labs, operating at up to 25 MHz with a pipelined architecture delivering 25 MIPS throughput. It features 16 kB of in-system programmable Flash memory and 512 bytes of internal data RAM. The device integrates a 10-bit ADC supporting up to 500 ksps, a capacitance-to-digital converter for touch sensing, and an analog comparator. It operates on a supply voltage range of 1.8 V to 3.6 V and is housed in a 64-pin TQFP package.

Feature Summary

• Capacitance-to-Digital Converter supports buttons, sliders, wheels, capacitive proximity, and touch screen sensing with auto-scan capabilities.
• On-chip debug circuitry facilitates full-speed, non-intrusive in-system debugging without requiring external emulation hardware.
• High-Speed 8051 µC Core utilizes a pipelined instruction architecture that executes the majority of instructions in one or two system clocks.
• Integrated 10-Bit Analog to Digital Converter provides high-speed conversion with multiple reference options and built-in temperature sensing.

Applications

• Capacitive touch sensing interfaces
• Portable instrumentation systems
• Industrial control applications
• Consumer electronics devices

Procurement Notes

Verify the component revision against the official datasheet to ensure compatibility with design requirements. Confirm the package type matches the intended PCB footprint. Check for any specific ordering suffixes that may affect electrical characteristics or environmental ratings. Ensure the source is authorized to guarantee authenticity and traceability.

Selection Notes

Select this MCU for designs requiring integrated capacitive sensing alongside standard analog-to-digital conversion. The wide supply voltage range supports battery-powered applications. Consider the pin count and peripheral availability when mapping I/O requirements. Evaluate the power management modes if energy efficiency is a critical design constraint.

Part Context

This component belongs to the C8051F70x/71x family of mixed-signal microcontrollers. These devices are designed for high integration, combining digital processing with extensive analog peripherals. The family shares a common core architecture but varies in memory size and peripheral configurations across different part numbers within the series.

Replacement Considerations

Consult the manufacturer's documentation for officially confirmed substitute part numbers. Verify pinout compatibility and electrical specifications before implementing any alternative components. Ensure that any replacement maintains the required performance levels for the specific application environment.