C8051F988-GUR

Overview

The C8051F988-GUR is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, utilizing the CIP-51 core. It features 4KB of flash memory and 512 bytes of RAM. The device operates at a maximum clock frequency of 25MHz with an internal oscillator. It includes ten 10-bit ADC channels and supports interfaces such as SMBus, SPI, and UART. Operating voltage ranges from 1.8V to 3.6V, with a temperature range of -40°C to 85°C. The component is housed in a 24-QSOP package.

Feature Summary

• Integrates ten 10-bit analog-to-digital converters for signal acquisition.
• Includes on-chip peripherals like PWM, temperature sensor, and watchdog timer.
• Supports multiple communication protocols including I2C/SMBus, SPI, and USART.

Applications

• Industrial control systems
• Sensor interface modules
• Battery-powered devices

Procurement Notes

Verify the specific revision level (e.g., Rev A/B) against the official errata document before integration, as technical specifications may vary between revisions. Confirm that the 24-QSOP package dimensions align with your PCB footprint requirements. Ensure the design accounts for the 1.8V to 3.6V supply voltage range and the specified operating temperature limits.

Selection Notes

Select this component when an 8-bit architecture with integrated high-resolution ADCs is required. It is suitable for applications needing low power consumption and compact packaging. Compare against the C8051F986 if larger memory capacity is needed, or the C8051F988-C-GUR if commercial temperature range suffices. Verify interface compatibility with existing system buses.

Part Context

This part belongs to the C8051F9xx family of mixed-signal microcontrollers. These devices combine a CIP-51 processor with extensive on-chip peripherals. The family is designed for cost-sensitive embedded applications requiring precise analog measurement capabilities alongside digital control functions.

Replacement Considerations

The C8051F988-C-GUR is a variant within the same family, differing primarily in the operating temperature range. Verify pinout and register compatibility before substitution. No other direct cross-references are publicly confirmed.