C8051F393-A-GMR

Overview

The C8051F393-A-GMR is an 8-bit mixed-signal microcontroller from the C8051F39x family, featuring a pipelined CIP-51 core with up to 50 MIPS throughput at 50 MHz. It integrates 16 kB of Flash memory and 1 kB of internal data RAM within a 20-pin QFN package. The device supports a supply voltage range of 1.8 V to 3.6 V and operates across a temperature range of –40 °C to +105 °C.

Feature Summary

• High-speed 8051-compatible core with pipelined architecture for efficient instruction execution
• Integrated analog peripherals including 10-bit ADC and dual 10-bit current output DACs
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• Flexible clocking system with calibrated internal oscillators and support for on-the-fly source switching

Applications

• Battery-powered sensor nodes requiring low-power stop mode operation
• Industrial control systems utilizing SMBus/I2C and SPI communication interfaces
• Precision measurement applications leveraging integrated temperature sensors and comparators
• Motor control implementations using programmable counter array PWM functionality

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm that the specific ordering suffix matches the required package type and temperature rating. Ensure compliance with RoHS directives and check for any relevant environmental certifications prior to integration into production designs.

Selection Notes

Select this variant when 16 kB of program memory and 20-pin footprint constraints are required. Consider alternative family members if EEPROM storage or different I/O counts are necessary. Evaluate power consumption profiles against application requirements, noting the difference between active and stop mode currents for battery life estimation.

Part Context

This component belongs to the C8051F39x series, representing a next-generation evolution of the C8051F33x line. It maintains hardware and code compatibility with previous generations while offering enhanced performance metrics and extended temperature ranges. The series emphasizes high integration levels within small form factors suitable for space-constrained embedded designs.

Replacement Considerations

Direct substitutes include other C8051F39x variants such as C8051F392, C8051F396, C8051F397, C8051F398, and C8051F399, provided memory sizes and pin configurations align with design requirements.