C8051F371-A-GMR

Overview

The C8051F371-A-GMR is a mixed-signal System-on-Chip microcontroller from Silicon Labs, featuring a high-speed pipelined 8051 core capable of up to 50 MIPS throughput at a 50 MHz clock frequency. It integrates 16 kB of in-system programmable Flash memory and 512 bytes of byte-programmable EEPROM with a million write/erase cycle endurance. The device includes 1 kB of internal data RAM and operates on a supply voltage range of 1.8 V to 3.6 V. It is housed in a 24-pin QFN package and supports an operating temperature range of –40 °C to +85 °C.

Feature Summary

• Integrates a high-speed pipelined 8051 core for efficient instruction execution.
• Includes on-chip debug circuitry for non-intrusive in-system debugging without external emulators.
• Features low-power operation modes including Stop mode with minimal current consumption.
• Provides precision analog peripherals such as a temperature sensor accurate to ±2 °C.

Applications

• Battery-powered embedded systems requiring low power consumption
• Industrial control applications utilizing onboard analog peripherals
• Data acquisition systems leveraging the integrated ADC and DACs

Procurement Notes

Verify the specific suffix 'A' against the manufacturer's latest documentation to confirm pinout compatibility and feature set variations. Confirm that the 24-pin QFN package matches your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Check for any recent product change notices regarding component availability or manufacturing location updates.

Selection Notes

Select this component when a complete mixed-signal solution is required within a compact form factor. The integrated EEPROM offers advantages for storing calibration data compared to devices relying solely on Flash. Consider the 50 MIPS performance if real-time processing constraints exist. Evaluate the available I/O pins against system interface requirements before finalizing the selection.

Part Context

This part belongs to the C8051F39x/37x family of mixed-signal MCUs. These devices are designed to replace discrete microcontroller and peripheral solutions by integrating analog and digital functions onto a single chip. The family shares a common architecture but varies in memory size, package options, and specific peripheral configurations.

Replacement Considerations

Consult the datasheet section on C8051F33x compatibility for hardware incompatibilities. Verify pin-to-pin equivalence with legacy parts if migrating existing designs. Cross-reference other members of the C8051F39x/37x family for alternative memory or package options.