C8051F964-B-GMR

Overview

The C8051F964-B-GMR is an 8-bit microcontroller from Silicon Labs, based on the C8051F96x series. It features a 25 MHz maximum clock frequency and utilizes the standard 8051 core architecture. The device includes 64 kB of in-system programmable Flash memory and 8.25 kB of data RAM. It operates within a supply voltage range of 1.8 V to 3.8 V and supports an industrial temperature range of -40°C to +85°C. Key peripherals include sixteen 10-bit or 12-bit ADC channels, four timers/counters, and communication interfaces such as I2C, SPI, and UART.

Feature Summary

• Integrates high-resolution analog-to-digital conversion capabilities with multiple selectable resolution modes for precision signal acquisition.
• Provides extensive digital connectivity through multiple serial communication protocols including I2C, SPI, and UART.
• Incorporates hardware security features including Low Power AES encryption support for secure code execution.

Applications

• Industrial control systems requiring robust analog input processing
• Embedded applications needing secure data handling via hardware encryption
• Sensor interface modules utilizing multi-channel ADC inputs

Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm package integrity upon receipt, as moisture sensitivity requires proper storage conditions. Cross-reference datasheet revisions to ensure compatibility with existing firmware designs before procurement.

Selection Notes

Select this model when specific pin counts and memory sizes align with design requirements. Consider the 80-pin TQFP package constraints for PCB layout. Evaluate power consumption profiles against system battery life expectations given the low-voltage operation capabilities.

Part Context

This component belongs to the C8051F96x family of 8-bit MCUs by Silicon Labs. These devices are designed for applications demanding integrated analog and digital peripherals within a compact footprint. The family emphasizes ease of development through comprehensive toolchain support and standardized instruction sets compatible with traditional 8051 architectures.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify availability of alternative packages or updated series from the manufacturer for current production needs.