C8051F715-GQR

Overview

The C8051F715-GQR is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F70x/71x family, featuring a high-speed pipelined 8051 core operating at up to 25 MHz. It integrates 8 kB of in-system programmable Flash memory and 512 bytes of internal data RAM. The device includes a capacitance-to-digital converter supporting up to 38 input channels for touch sensing applications. Digital peripherals include hardware-enhanced UART, SMBus, SPI, four 16-bit timers, and a Programmable Counter Array with PWM functionality. 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 capacitance-to-digital converter supports buttons, sliders, wheels, and capacitive proximity 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 core utilizes a pipelined architecture to execute instructions efficiently at system clock speeds up to 25 MHz.
• Hardware-enhanced digital serial interfaces include UART, SMBus, and SPI for robust communication protocols.

Applications

• Capacitive touch sensing interfaces such as buttons, sliders, and touch screens
• In-system programming and debugging environments
• Industrial control systems requiring reliable serial communication
• Portable devices utilizing low-voltage power supplies

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity upon receipt, as the unit utilizes surface-mount technology. Ensure compliance with RoHS directives if required by your assembly process. Review the official datasheet for specific handling precautions related to moisture sensitivity levels before soldering operations commence.

Selection Notes

Evaluate the 8 kB Flash capacity against application code size requirements. Assess the 512-byte RAM allocation for variable storage needs. Verify that the 39 available I/O pins meet interface demands. Consider the 1.8 V to 3.6 V operating range relative to system power rails. Confirm that the TQFP-48 package dimensions align with PCB layout constraints.

Part Context

This component belongs to the C8051F7xx series of fully integrated mixed-signal microcontrollers. The GQR suffix indicates a specific tape-and-reel packaging configuration suitable for automated surface-mount assembly processes. The device represents a convergence of analog precision and digital processing within a single silicon die.

Replacement Considerations

Consult the manufacturer's documentation for officially confirmed substitute part numbers. Verify pinout compatibility and electrical specifications before implementing any alternative components in existing designs.