C8051F220-GQ

Overview

The C8051F220-GQ is an 8-bit microcontroller from the Silicon Labs C8051F2xx series, featuring a standard 8051 core. It integrates 8KB of in-system programmable FLASH memory and 256 bytes of RAM. The device operates at clock speeds up to 25MHz with an internal oscillator and supports a supply voltage range of 2.7V to 3.6V. It provides 32 programmable I/O pins and includes peripherals such as SPI, UART/USART, and multiple analog-to-digital converters. The component is housed in a 48-TQFP surface-mount package.

Feature Summary

• Integrates high-speed 8051-compatible processing core with in-system FLASH programming capability for rapid development cycles.
• Includes mixed-signal peripherals with multiple ADC channels and comparators for direct sensor interfacing without external components.
• Features comprehensive system management functions including brown-out detection, power-on reset, and watchdog timer for reliable operation.

Applications

• Industrial control systems requiring robust 8-bit processing and analog signal acquisition
• Consumer electronics utilizing low-voltage operation and integrated connectivity interfaces
• Embedded measurement devices leveraging built-in ADC and comparator capabilities

Procurement Notes

Verify the specific suffix GQ against official datasheets to confirm package dimensions and pinout compatibility. Confirm RoHS compliance status as product attributes may vary by manufacturing batch. Ensure design-in validation accounts for the specified operating temperature range and voltage limits before finalizing procurement.

Selection Notes

Select this component when a cost-effective 8-bit solution with integrated analog peripherals is required. It suits designs needing moderate program memory and multiple communication interfaces within a compact footprint. Consider alternative series members if higher clock speeds or larger memory capacities are necessary for the application.

Part Context

This part belongs to the C8051F2xx family of fully integrated mixed-signal microcontrollers. The series is characterized by its single-chip integration of 8051 cores, FLASH memory, and extensive analog/digital peripheral sets. These devices target applications demanding high performance and low power consumption in a small form factor.

Replacement Considerations

Check for C8051F220 variants with different suffixes that may offer updated packaging or compliance certifications. Verify pin-to-pin compatibility with other C8051F2xx members if memory size differences are acceptable.