C8051F390-A-GM

Overview

The C8051F390-A-GM is a mixed-signal microcontroller from the Silicon Labs C8051F39x series. It features a high-speed pipelined 8051 core operating at up to 50 MHz with 50 MIPS throughput. The device integrates 16 kB of in-system programmable Flash memory, 1 kB of internal data RAM, and 512 bytes of byte-programmable EEPROM. Analog peripherals include a 10-bit ADC with up to 16 external inputs and a programmable throughput of 500 ksps, two 10-bit current output DACs, a comparator, and a precision temperature sensor. Digital interfaces comprise one UART, two SMBus ports, and one SPI port. It utilizes a 24-pin QFN package and operates within a supply voltage range of 1.8 V to 3.6 V.

Feature Summary

• High-performance 8051 core with pipelined architecture executing most instructions in one or two system clocks
• Integrated analog subsystem featuring a 10-bit ADC, dual 10-bit current DACs, and precision temperature sensor
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• Flexible clocking system with internal oscillators supporting crystal-less UART operation and low-power modes

Applications

• Battery-powered systems requiring low power consumption and precise monitoring
• Industrial control applications utilizing analog signal processing
• Data acquisition systems requiring multi-channel ADC input
• Motor control implementations using PCA PWM functionality

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status as indicated on official documentation. Ensure storage conditions account for moisture sensitivity levels specified in the datasheet. Validate that the specific ordering suffix matches the required package and temperature grade before procurement.

Selection Notes

Select this model when a complete mixed-signal solution is required within a compact footprint. The integrated analog peripherals reduce external component count compared to discrete designs. Consider the 24-pin QFN package constraints for PCB layout. Evaluate power requirements against the 1.8 V to 3.6 V operating range to ensure compatibility with system voltage rails.

Part Context

This component belongs to the C8051F39x/37x family of fully integrated mixed-signal System-on-Chip microcontrollers. The series combines a fast 8051-compatible core with extensive on-chip resources. The 'F39x' designation specifically denotes devices rated for an extended industrial temperature range of -40°C to +105°C. This family targets applications demanding high integration and performance in space-constrained environments.

Replacement Considerations

Consult the official datasheet for pin-compatible alternatives within the same series. Verify functional equivalence regarding memory size and peripheral availability. Check for any hardware incompatibilities listed in the C8051F33x compatibility section if migrating from older variants.