C8051F966-B-GQ

Overview

The C8051F966-B-GQ is an 8-bit microcontroller from Silicon Labs, featuring a CIP-51 8051 core. It integrates 32 kB of flash memory and 8 kB of RAM within an 80-pin TQFP package. The device supports a maximum clock frequency of 25 MHz and includes built-in DC-DC buck converters, LCD drivers, and AES encryption hardware.

Feature Summary

• Integrates hardware-accelerated AES encryption for secure data processing
• Includes integrated DC-DC buck converter for efficient power management
• Features dedicated LCD driver capabilities for display interfaces

Applications

• Secure embedded control systems requiring data encryption
• Battery-powered devices utilizing integrated power regulation
• Industrial applications with LCD interface requirements

Procurement Notes

Verify the specific suffix 'B' against official documentation to confirm pinout and functional variations. Ensure the 80-pin TQFP package dimensions match the target PCB layout. Confirm RoHS compliance status through current manufacturer declarations before finalizing procurement specifications.

Selection Notes

Select this component when system design requires on-chip security features like AES alongside power management integration. The 80-pin form factor provides extensive I/O availability compared to smaller packages. Evaluate the 25 MHz performance limit against application timing constraints.

Part Context

This part belongs to the C8051F966 series, which focuses on high-integration mixed-signal microcontrollers. The series combines standard 8051 architecture with advanced peripherals such as crypto engines and power converters, targeting complex embedded applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.