C8051T634-GMR

Overview

The C8051T634-GMR is an 8-bit microcontroller from the Silicon Labs C8051T series, featuring a pipelined 8051 core. It integrates 2 kB of EPROM program memory and 768 bytes of RAM. The device supports a maximum clock frequency of 25 MHz and operates within a temperature range of -40 °C to +85 °C. Key peripherals include one 16-bit PWM unit, one SPI channel, one I2C channel, and one UART channel. It utilizes a 20-pin QFN package with dimensions of 4 mm x 4 mm x 0.95 mm.

Feature Summary

• Integrates a high-performance pipelined 8051 core for efficient instruction execution.
• Includes on-chip analog peripherals such as a 16-channel 10-bit ADC.
• Features flexible digital I/O mapping via a programmable crossbar configuration.

Applications

• Battery-powered portable devices requiring low power consumption
• Industrial control systems utilizing serial communication interfaces
• Consumer electronics applications

Procurement Notes

Verify the specific suffix 'GMR' indicates tape and reel packaging when sourcing components. Confirm that the device meets RoHS compliance standards required for your manufacturing process. Check current lifecycle status as distribution availability may vary by region. Ensure compatibility with existing PCB footprints for the 20-pin QFN package.

Selection Notes

Select this component if a small form factor with integrated analog capabilities is required. The C8051T634 offers a balance of processing speed and peripheral density in a compact package. Consider the EPROM memory type for prototyping or fixed-application scenarios where reprogramming flexibility is less critical than cost efficiency compared to Flash variants.

Part Context

This part belongs to the C8051T family of mixed-signal microcontrollers. These devices are designed for applications needing high integration and low power. The C8051T series typically includes various memory options and peripheral configurations to suit different system requirements while maintaining pin compatibility within the family.

Replacement Considerations

Check for other C8051T63x variants with different memory sizes or package types. Verify if C8051F series parts offer similar functionality with Flash memory instead of EPROM. Ensure any substitute maintains the same pinout and voltage specifications.