C8051F044-GQ

Overview

The C8051F044-GQ is an 8-bit microcontroller from the Silicon Labs C8051F04x family, featuring a high-speed pipelined 8051 core operating at up to 25 MHz. It integrates 64 kB of in-system programmable Flash memory and 4352 bytes of internal data RAM. The device includes a 10-bit SAR ADC with 13 external inputs, three analog comparators, and a precision voltage reference. Digital peripherals consist of a Bosch CAN controller, hardware SMBus, SPI, two UARTs, and multiple timers. It operates on a 2.7 V to 3.6 V supply within a –40 °C to +85 °C temperature range.

Feature Summary

• Integrated Bosch CAN 2.0B controller for robust serial communication
• On-chip JTAG debug circuitry enabling non-intrusive in-circuit debugging
• High-performance 8051 core with pipelined architecture for improved throughput
• Comprehensive analog subsystem including 10-bit ADC and programmable comparators

Applications

• Industrial control systems requiring CAN bus connectivity
• Embedded applications needing precise analog signal acquisition
• Data acquisition modules utilizing onboard ADC and comparators
• Communication gateways leveraging dual UART and SPI interfaces

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity and pin alignment against TQFP-100 specifications. Review datasheet revision history for any updates to electrical characteristics or pin assignments prior to integration into final designs.

Selection Notes

Select this component when a fully integrated solution combining digital communication protocols like CAN and USB-compatible interfaces with high-resolution analog conversion is required. Ensure system power supply constraints align with the specified 2.7 V to 3.6 V operating range. Evaluate memory requirements against the 64 kB Flash capacity before considering alternative variants in the series.

Part Context

This part belongs to the C8051F04x series of mixed-signal microcontrollers designed for cost-sensitive embedded applications. The family shares a common architectural foundation but varies in memory size and peripheral configurations. The C8051F044 variant specifically targets applications balancing processing speed with extensive analog and digital interface capabilities.

Replacement Considerations

Consult official documentation for cross-reference information. Verify compatibility of pinouts and software libraries if substituting with other members of the C8051F04x family or newer generations.