C8051F067-GQR

Overview

The C8051F067-GQR is an 8-bit microcontroller from the Silicon Labs C8051F06x family, featuring a high-speed pipelined 8051 core operating at up to 25 MHz with 25 MIPS throughput. It integrates 32 kB of in-system programmable Flash memory and 4352 bytes of internal data RAM. The device includes two 16-bit SAR ADCs supporting up to 1 Msps throughput with direct memory access. Digital peripherals consist of hardware SMBus, SPI, dual UARTs, and a programmable counter array. It operates on a 2.7 V to 3.6 V supply within a -40 °C to +85 °C temperature range.

Feature Summary

• Features two 16-bit SAR ADCs with direct memory access for efficient data transfer without software overhead.
• Includes on-chip JTAG debug circuitry providing full-speed non-intrusive in-circuit debugging capabilities.
• Integrates multiple serial communication interfaces including SMBus, SPI, and dual UARTs available concurrently.
• Supports flexible interrupt sources and power-saving sleep modes for optimized energy consumption.

Applications

• Industrial control systems requiring precise analog signal acquisition
• Data acquisition modules utilizing high-resolution ADCs
• Embedded applications needing robust serial communication protocols

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Review the latest datasheet revision for any updates regarding absolute maximum ratings or electrical characteristics. Ensure compatibility with existing design specifications before finalizing procurement orders.

Selection Notes

Select this component for designs requiring high-resolution analog conversion alongside standard 8051 processing. Consider the 64-pin TQFP package constraints for PCB layout planning. Evaluate the specific pinout configuration against system interface requirements. Note that this series is marked as not recommended for new designs; assess long-term availability implications.

Part Context

This part belongs to the C8051F06x family of mixed-signal microcontrollers. It shares architectural similarities with siblings like the C8051F066 but differs in specific peripheral configurations such as the absence of certain DACs found in other variants. The GQR suffix indicates a specific tape and reel packaging format suitable for automated surface-mount assembly processes.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Silicon Labs resources for current lifecycle status and potential obsolescence management strategies.