C8051F964-A-GQ

Overview

The C8051F964-A-GQ is an 8-bit microcontroller from the Silicon Labs C8051F96x family, featuring a CIP-51 core with up to 25 MHz operation. It integrates 128 kB of in-system programmable Flash and 8 kB of internal data RAM. The device includes a 12-bit ADC with 16 channels, two comparators, and an LCD controller supporting up to 128 segments. Power management features include a DC-DC buck converter and multiple low-power sleep modes.

Feature Summary

• Integrates hardware AES, DMA, CRC, and encoding blocks for protocol acceleration
• Supports ultra-low power consumption with specific sleep current specifications
• Includes an integrated LCD controller with charge pump for contrast control
• Features a pipelined instruction architecture for improved throughput

Applications

• Metering applications requiring pulse accumulation and sensor interfacing
• Embedded systems utilizing wireless protocols accelerated by DPPE
• Battery-powered devices requiring dynamic voltage scaling
• Instrumentation equipment with LCD display requirements

Procurement Notes

Verify the exact suffix 'A' against the manufacturer's official documentation to confirm package type and temperature range. Confirm availability status as this component may be subject to discontinuation or lifecycle changes. Ensure compatibility with existing PCB footprints for the TQFP-80 package if applicable.

Selection Notes

Select this MCU for designs requiring high integration of analog peripherals and security features within an 8-bit architecture. Consider the available I/O count and memory size relative to application complexity. Evaluate the power budget against the specified active and sleep currents to ensure compliance with system energy constraints.

Part Context

This part belongs to the C8051F96x series, designed for ultra-low power mixed-signal applications. The family emphasizes efficiency through integrated power management peripherals and specialized metering interfaces. It targets cost-sensitive embedded markets needing robust connectivity and processing capabilities.

Replacement Considerations

Consult the manufacturer's product change notification or obsolescence notices for confirmed substitute part numbers. Verify pinout and register compatibility before transitioning to alternative models within the same family.