C8051T630-GM

Overview

The C8051T630-GM is an 8-bit microcontroller from Silicon Labs, based on the 8051 core architecture. It features a maximum clock frequency of 25 MHz and includes 8 kB of OTP EPROM program memory alongside 768 bytes of data RAM. The device integrates a 10-bit ADC with 16 channels and provides 17 general-purpose I/O pins. Communication interfaces include SMBus, SPI, and UART. It operates within a voltage range of 1.8 V to 3.6 V and supports temperatures from -40°C to +85°C. The component is housed in a QFN-20 package.

Feature Summary

• Integrates a high-performance 8051 core capable of operating at up to 25 MHz for efficient instruction execution.
• Includes a 10-bit analog-to-digital converter with multiple input channels for precise signal acquisition.
• Supports standard digital communication protocols including SMBus, SPI, and UART for system connectivity.
• Features low-voltage operation down to 1.8 V suitable for battery-powered or energy-constrained applications.

Applications

• Battery-powered portable instrumentation
• Industrial sensor interface modules
• Low-power embedded control systems

Procurement Notes

Verify current availability status as the component may be discontinued or not recommended for new designs. Confirm package type and suffix requirements against specific manufacturing needs. Check for obsolescence notices from Silicon Labs before finalizing procurement plans. Ensure compatibility with existing design infrastructure regarding voltage levels and pin configurations.

Selection Notes

Select this model when a compact 8-bit MCU with integrated ADC and standard serial interfaces is required. Consider the limited OTP memory size for application complexity constraints. Evaluate the QFN-20 package suitability for PCB space limitations. Compare performance metrics against other members of the C8051T63x family if different memory or peripheral configurations are needed.

Part Context

This part belongs to the C8051T63x series of mixed-signal microcontrollers by Silicon Labs. These devices are designed for cost-sensitive applications requiring moderate processing power and analog capabilities. The series typically shares architectural similarities but varies in memory size and peripheral counts. This specific unit represents a configuration optimized for basic control tasks with essential analog conversion features.

Replacement Considerations

Consult official Silicon Labs documentation for direct cross-references within the C8051T63x family. Verify pinout and register compatibility before substituting with similar models. No public substitute part numbers are confirmed in available sources.