C8051F397-A-GM

Overview

The C8051F397-A-GM is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F39x family. It features a high-speed pipelined 8051 core operating at up to 50 MIPS with a 50 MHz clock. The device includes 16 kB of in-system programmable Flash memory, 1 kB of internal data RAM, and 512 bytes of EEPROM. Key analog peripherals include a 10-bit ADC with up to 16 external inputs, two 10-bit current output DACs, a comparator, and a precision temperature sensor. It operates on a supply voltage of 1.8 V to 3.6 V and is available in a 20-pin QFN package.

Feature Summary

• High-performance 8051 core with pipelined architecture for efficient instruction execution
• Integrated mixed-signal capabilities including 10-bit ADC, current DACs, and comparator
• On-chip debug circuitry enabling non-intrusive in-system debugging without external emulators
• Low-power operation with multiple sleep modes and fast wake-up times

Applications

• Industrial control systems requiring precise analog signal processing
• Battery-powered devices utilizing low-power stop and suspend modes
• Sensor interfaces leveraging integrated temperature sensors and ADCs
• Embedded applications needing in-system programming via Flash memory

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required package and temperature grade. Check for recent Product Change Notifications regarding assembly or labeling updates. Ensure compliance with RoHS directives as specified in the datasheet. Validate that the source provides valid traceability documentation for quality assurance purposes.

Selection Notes

Select this MCU for designs requiring a balance of digital processing speed and analog peripheral integration. The 20-pin QFN package suits space-constrained layouts. Consider the 50 MHz throughput for time-critical tasks. Evaluate power consumption against the 1.8 V to 3.6 V supply range. Verify that the 16 kB Flash capacity meets application storage needs.

Part Context

This component belongs to the C8051F39x/37x series of fully integrated mixed-signal microcontrollers. It shares architectural similarities with other members like the C8051F392 and C8051F393 but differs in specific memory sizes and peripheral configurations. The series is designed for cost-effective, high-performance embedded solutions.

Replacement Considerations

Consult the official datasheet for cross-reference information. No direct public substitute part numbers are confirmed in the provided documentation. Verify pin compatibility and electrical characteristics before considering alternative components.