C8051F383-GQR

Overview

The C8051F383-GQR is an 8-bit microcontroller from Silicon Labs, featuring a high-speed 8051 core operating at up to 48 MIPS. It integrates 32 kB of in-system programmable Flash memory and 2.3 kB of RAM. The device includes a full-speed USB 2.0 function controller with an integrated transceiver and clock recovery. Analog peripherals consist of a 10-bit ADC supporting up to 500 ksps, two comparators, and a temperature sensor. It operates within a voltage range of 2.7 V to 5.25 V and is housed in a 32-pin LQFP package.

Feature Summary

• Integrates a high-speed pipelined 8051 CPU capable of executing instructions in one or two system clocks for efficient processing.
• Features a built-in USB 2.0 function controller with an integrated transceiver and on-chip clock recovery, eliminating the need for external crystals or resistors.
• Includes a multi-channel 10-bit analog-to-digital converter with a built-in multiplexer and a sampling rate up to 500 ksps.
• Provides comprehensive digital communication interfaces including SPI, dual I2C/SMBus, and dual enhanced UARTs.

Applications

• Embedded USB connectivity solutions requiring host or device side implementation
• Data acquisition systems utilizing the high-speed 10-bit ADC
• Industrial control applications leveraging multiple serial communication ports

Procurement Notes

Verify the specific ordering suffix to confirm the package type matches your design requirements. Confirm that the component revision aligns with your project specifications. Check for any applicable environmental compliance certifications such as RoHS. Ensure that the supply chain source provides authentic parts to avoid counterfeits. Review the latest datasheet revisions for any updates regarding electrical characteristics or pin configurations before finalizing procurement.

Selection Notes

Select this model when a compact 32-pin solution with integrated USB functionality is required. It is suitable for designs needing moderate Flash capacity and precise analog signal processing. Consider the available GPIO count and peripheral set against your interface requirements. Evaluate the power consumption profiles across different operating modes. Ensure the thermal performance of the LQFP package meets your system's heat dissipation needs.

Part Context

This component belongs to the C8051F38x family of mixed-signal microcontrollers. The family shares a common architecture but varies in memory size and package options. The C8051F383 variant specifically offers 32 kB of Flash and is packaged in a 32-pin LQFP. It is part of a broader series designed for cost-effective embedded USB applications.

Replacement Considerations

Consult the official datasheet for compatible alternatives within the same family. Verify pin compatibility and memory specifications when considering substitutes. Ensure that any replacement maintains the required USB and analog peripheral features.