C8051F965-B-GMR

Overview

The C8051F965-B-GMR is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, featuring a high-performance 8051 core operating at up to 25 MHz. It integrates 128 KB of in-system programmable Flash memory and 8.25 KB of RAM. The device includes a comprehensive set of peripherals such as multiple timers, PWM channels, and analog-to-digital converters with resolutions up to 12 bits. Communication interfaces include I2C, SPI, and UART/USART. It operates within a supply voltage range of 1.8 V to 3.8 V and supports industrial temperatures from -40°C to +85°C, housed in a TQFP-80 package.

Feature Summary

• Integrates a high-speed 8051-compatible core with significant on-chip memory for complex control applications.
• Features extensive mixed-signal capabilities including multiple ADCs and DACs for precise sensor interfacing.
• Supports robust digital communication via standard serial interfaces for system connectivity.

Applications

• Industrial process control systems requiring precise analog signal acquisition
• Smart sensors and instrumentation nodes
• Motor control applications utilizing PWM and timer resources

Procurement Notes

Verify the specific suffix 'B' against the manufacturer's latest datasheet to confirm pinout and feature variations. Confirm the 'GMR' tape-and-reel packaging requirement matches your assembly line equipment specifications. Check for any recent Product Change Notifications (PCN) regarding material or assembly updates that may affect compliance or form factor.

Selection Notes

Select this component when a balance of processing power and rich peripheral integration is required in an 8-bit architecture. The 128 KB Flash allows for substantial code storage, while the 8.25 KB RAM supports complex data handling. Ensure the TQFP-80 package fits the PCB layout constraints and thermal requirements of the target design.

Part Context

This part belongs to the C8051F9xx family, which emphasizes high performance and low power consumption within the 8-bit MCU market. It shares architectural similarities with other members like the C8051F964 but offers specific memory and peripheral configurations tailored for demanding embedded applications.

Replacement Considerations

Direct substitutes within the same package and pinout must be verified through official cross-reference tools. Consider the C8051F964 if minor peripheral differences are acceptable, but validate all electrical characteristics and software compatibility before implementation.