C8051F310-GQR

Overview

The C8051F310-GQR is an 8-bit microcontroller from the Silicon Labs C8051F31x family, featuring a high-speed CIP-51 core with up to 25 MIPS throughput at a 25 MHz clock frequency. It integrates 16 kB of in-system programmable Flash memory and 1280 bytes of internal data RAM. The device includes a 10-bit ADC supporting up to 200 ksps conversion rates and up to 21 external inputs. It operates within a supply voltage range of 2.7 V to 3.6 V and supports a commercial temperature range of –40 °C to +85 °C. The component is housed in a 32-pin LQFP package.

Feature Summary

• Features a fully 8051-compatible CIP-51 core with pipelined architecture for improved instruction execution speed.
• Includes on-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Integrates hardware-enhanced serial communication interfaces including UART, SMBus, and SPI.
• Provides versatile analog peripherals such as a 10-bit ADC, comparators, and a built-in temperature sensor.

Applications

• Embedded systems requiring direct 8051 compatibility
• Industrial control applications utilizing serial communication protocols
• Data acquisition systems employing analog-to-digital conversion
• Battery-powered devices leveraging low-power stop modes

Procurement Notes

Verify the specific revision level against the latest datasheet documentation prior to procurement. Confirm that the 32-LQFP package dimensions align with the target PCB footprint requirements. Ensure that the operating voltage and temperature specifications meet the environmental constraints of the intended deployment scenario.

Selection Notes

Select this component when a fully 8051-compatible architecture is required alongside integrated analog capabilities. Consider the 16 kB Flash capacity and 1280 bytes RAM for code size and data storage needs. Evaluate the 25 MHz maximum clock speed against processing requirements. Note that this series is designated as not recommended for new designs.

Part Context

This part belongs to the C8051F31x family of mixed-signal microcontrollers. It shares the same core architecture and peripheral set as other variants in the series, differing primarily in memory sizes and pin counts. The GQR suffix indicates the 32-pin LQFP package variant suitable for surface-mount assembly.

Replacement Considerations

Public confirmed substitute part numbers: None identified.