C8051F314-GQR

Overview

The C8051F314-GQR is an 8-bit microcontroller from the Silicon Labs C8051F31x family, featuring a high-speed CIP-51 core with up to 25 MIPS throughput at a 25 MHz clock frequency. It integrates 8 kB of in-system programmable Flash memory and 1280 bytes of internal data RAM. The device operates within a supply voltage range of 2.7 V to 3.6 V and supports a temperature range of –40 °C to +85 °C. It is housed in a 32-pin LQFP package.

Feature Summary

• Features a pipelined 8051-compatible core executing instructions in one or two system clocks for high throughput.
• Includes on-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Integrates hardware-enhanced serial communication interfaces including UART, SMBus, and SPI.
• Contains a Programmable Counter Array (PCA) with capture/compare modules and PWM capabilities.

Applications

• Embedded control systems requiring in-system programming
• Industrial monitoring applications utilizing internal sensors
• Communication interface gateways using serial protocols

Procurement Notes

Verify component authenticity through authorized distributors. Confirm package integrity upon receipt. Check datasheet revision history for any updates. Ensure ESD handling procedures are followed during storage and assembly. Validate pin compatibility with existing PCB footprints before integration.

Selection Notes

Select this model when 8 kB Flash and 1280 bytes RAM suffice for application logic. Choose the 32-pin LQFP package for surface-mount requirements. Consider the 25 MHz maximum speed for timing constraints. Verify that the 2.7 V to 3.6 V supply range matches the system power design.

Part Context

This component belongs to the C8051F31x series of mixed-signal microcontrollers. The family shares a common architecture but varies in memory size and peripheral availability. The C8051F314 specifically offers 8 kB Flash, distinguishing it from variants with 16 kB capacity. It utilizes the standard C2 interface for programming and debugging.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same family. Verify memory size and peripheral differences when selecting substitutes. Ensure the replacement part supports the required operating voltage and temperature range.