C8051F965-B-GM

Overview

The C8051F965-B-GM is an 8-bit microcontroller from the Silicon Labs C8051F96x series, featuring a CIP-51 8051 core operating at up to 25 MHz. It integrates 128 kB of Flash memory and 8.25 kB of RAM within a 48-pin QFN package. The device includes a 12-bit ADC with 16 channels, four timers, and interfaces such as I2C, SPI, and UART. It supports AES encryption and operates between -40°C and +85°C on 1.8V to 3.8V power.

Feature Summary

• Integrates hardware-accelerated AES encryption for secure data processing
• Features a high-performance CIP-51 8051 core with Harvard architecture
• Includes a multi-channel 12-bit analog-to-digital converter
• Provides flexible digital communication via SPI, UART, and I2C

Applications

• Secure embedded systems requiring data encryption
• Industrial control units with analog signal monitoring
• Smart metering devices with low-power requirements
• Medical instrumentation with precision sensing needs

Procurement Notes

Verify the specific suffix 'B' against official documentation to confirm pinout or feature variations. Confirm package type matches project requirements. Check current availability status as this component may be subject to discontinuation notices. Ensure compatibility with existing development tools and debuggers.

Selection Notes

Select this model when AES security and high-resolution analog input are critical. Compare RAM and Flash sizes against application code requirements. Evaluate the 25 MHz clock speed for real-time processing constraints. Consider the 48-pin QFN package for board space limitations.

Part Context

This part belongs to the C8051F96x family of mixed-signal microcontrollers. These devices combine a fast 8051 CPU with extensive on-chip peripherals. The series targets applications needing robust connectivity and security in a compact form factor.

Replacement Considerations

Check for C8051F964 variants if different packaging is needed. Verify cross-compatibility with other C8051F9xx models for pin and register alignment.