C8051F041-GQR

Overview

The C8051F041-GQR is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F04x family, housed in a 100-TQFP (14x14) package. It features a high-speed pipelined 8051 core operating at up to 25 MHz with 25 MIPS throughput. The device integrates 64 kB of Flash memory and 4352 bytes of internal data RAM. Key analog peripherals include a 12-bit SAR ADC with 13 external inputs and two 12-bit DACs. Digital interfaces comprise CAN 2.0B, SMBus, SPI, and dual UARTs.

Feature Summary

• Integrated 12-bit SAR ADC with programmable gain amplifier and windowed interrupt generator
• Dual 12-bit DACs capable of timer-synchronized jitter-free waveform generation
• On-chip JTAG debug circuitry supporting full-speed non-intrusive in-system debugging
• Hardware support for Bosch CAN 2.0B, SMBus, SPI, and concurrent dual UART serial ports

Applications

• Industrial control systems requiring precise analog signal acquisition
• Automotive applications utilizing CAN bus communication protocols
• Data acquisition systems needing high-resolution voltage monitoring
• Embedded devices requiring robust on-chip debugging capabilities

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific revision status as this part is marked Not Recommended for New Designs. Ensure compatibility with existing PCB footprints and validate that the 2.7V to 3.6V supply range meets system requirements before finalizing procurement orders.

Selection Notes

Select this component when a fully integrated mixed-signal solution is required without external ADCs or DACs. The C8051F041-GQR is suitable for designs prioritizing high-speed digital processing alongside precision analog conversion. Consider the 100-pin TQFP package constraints and ensure sufficient I/O availability for the target application interface requirements.

Part Context

This microcontroller belongs to the C8051F04x series, which provides a comprehensive set of mixed-signal peripherals on a single chip. The series is designed for applications demanding high performance and low power consumption. The C8051F041 variant specifically offers 12-bit ADC resolution and dual DACs, distinguishing it from lower-end models in the same family.

Replacement Considerations

Public confirmed substitute part numbers: C8051F040-GQR, C8051F042-GQR, C8051F043-GQR.