C8051F969-B-GMR

Overview

The C8051F969-B-GMR is an obsolete 8-bit microcontroller from Silicon Labs, part of the C8051F9xx series. It features a CIP-51 core operating at up to 25MHz with 16KB Flash and 4KB RAM. The device integrates a DC-DC buck converter for low-voltage operation, an LCD driver, and AES encryption hardware. It is housed in a 40-pin QFN package.

Feature Summary

• Integrates a DC-DC buck converter for efficient power management
• Includes dedicated hardware for LCD driving capabilities
• Features built-in AES encryption for data security

Applications

• Battery-powered embedded systems requiring voltage regulation
• Devices utilizing liquid crystal displays
• Applications necessitating hardware-level data encryption

Procurement Notes

This component is officially discontinued and no longer manufactured by Silicon Labs. Sourcing new units is not possible through standard distribution channels. Engineers must verify end-of-life status and plan for design modifications or inventory depletion strategies immediately.

Selection Notes

Due to the obsolete status of this specific part number, direct replacement is not available. Designers should evaluate newer members of the C8051F9xx family or alternative 8-bit MCUs that offer comparable peripheral sets, such as integrated power converters and cryptographic accelerators, while ensuring pin compatibility.

Part Context

The C8051F969-B-GMR belongs to the C8051F9xx series of high-performance 8-bit MCUs. This series is characterized by mixed-signal capabilities and on-chip peripherals designed to reduce external component count. The GMR suffix indicates a reel packaging format suitable for automated surface-mount assembly.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source documentation. As the product is marked obsolete, users must consult manufacturer announcements for potential cross-reference recommendations or select equivalent devices from other manufacturers.