C8051F361-GQR

Overview

The C8051F361-GQR is a mixed-signal System-on-a-Chip microcontroller from Silicon Labs, featuring a high-speed pipelined 8051-compatible core capable of up to 100 MIPS throughput. It integrates 32 kB of in-system programmable Flash memory and 1280 bytes of internal data RAM. The device includes a 10-bit ADC with up to 200 ksps sampling rate and 21 external inputs, a 10-bit current output DAC, two comparators, and an on-chip debug interface. It operates within a supply voltage range of 2.7 V to 3.6 V and is housed in a 32-pin LQFP package.

Feature Summary

• High-performance 8051 core with pipelined architecture and MAC engine
• Integrated analog peripherals including 10-bit ADC and current DAC
• On-chip full-speed non-intrusive debug circuitry
• Flexible clock sources with internal oscillators and PLL

Applications

• Data acquisition systems requiring mixed-signal processing
• Industrial control applications with sensor interfaces
• Embedded systems utilizing serial communication protocols
• Battery-powered devices leveraging power-saving modes

Procurement Notes

Verify the component status as this specific part number may be marked as not recommended for new designs. Confirm package type compatibility during sourcing. Ensure that the supplier provides original manufacturer documentation. Check for availability of alternative packages if pinout constraints exist. Validate operating temperature ranges against application requirements before procurement.

Selection Notes

Select this MCU for applications needing high-speed digital processing combined with precise analog signal conditioning. The integrated debug interface simplifies development cycles. Consider the 32 kB Flash capacity for firmware size requirements. Evaluate the 10-bit resolution of the ADC and DAC against system accuracy needs. Ensure the 32-pin LQFP package fits the PCB layout constraints.

Part Context

This component belongs to the C8051F36x family of mixed-signal MCUs. It shares architectural similarities with other members like the C8051F360 and C8051F362 but differs in package and specific peripheral availability. The family is designed for cost-sensitive embedded applications requiring robust analog capabilities alongside standard microcontroller functions.

Replacement Considerations

Check for direct pin-compatible replacements within the same family, such as the C8051F364 or C8051F368, which offer similar specifications in different packages. Verify software compatibility when switching between variants due to potential differences in port configurations or peripheral counts.