C8051F964-B-GM

Overview

The C8051F964-B-GM is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, utilizing a CIP-51 8051 core. It features 32 kB of in-system programmable Flash memory and 2 kB of RAM. The device operates at a maximum clock frequency of 25 MHz with a supply voltage range of 1.8 V to 3.6 V. It integrates a 12-bit ADC with 17 channels, two UARTs, one SPI interface, and one SMBus/I2C interface. The unit is housed in a 28-pin QFN package measuring 4 mm x 4 mm x 1 mm.

Feature Summary

• Integrates a high-speed 8051 CPU with up to 25 MIPS performance.
• Includes on-chip analog peripherals such as a multi-channel 12-bit ADC and internal oscillator.
• Supports multiple serial communication protocols including UART, SPI, and SMBus.

Applications

• Embedded systems requiring USB connectivity via external transceivers
• Industrial control applications with analog signal processing needs
• Battery-powered devices due to low voltage operation

Procurement Notes

Verify the specific suffix 'B' against official Silicon Labs documentation to confirm silicon revision or temperature grade variations. Confirm package availability and lead times through authorized distributors. Check for any product change notifications or end-of-life status updates prior to finalizing procurement plans.

Selection Notes

Select this component when a balance of moderate Flash capacity and rich analog peripheral integration is required within a compact 28-pin footprint. It is suitable for designs needing multiple serial interfaces and precise analog measurement capabilities without external components.

Part Context

This part belongs to the C8051F9xx family of fully integrated mixed-signal microcontrollers. These devices are designed to reduce system cost and board space by integrating extensive on-chip resources, eliminating the need for external discrete components typically required in standard 8051 architectures.

Replacement Considerations

Consult official Silicon Labs documentation for verified cross-reference part numbers. Ensure functional compatibility regarding pinout, memory size, and peripheral configuration before substituting.