C8051F930-F-GQ

Overview

The C8051F930-F-GQ is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, featuring a high-speed CIP-51 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 supports a supply voltage range of 0.9 V to 3.6 V, utilizing a built-in DC-DC converter for one-cell mode operation. Key peripherals include a 10-bit SAR ADC with 23 external inputs, two comparators, and multiple digital interfaces such as SMBus, SPI, and UART.

Feature Summary

• Integrated on-chip debug circuitry enables full-speed, non-intrusive in-system debugging without requiring external emulator hardware.
• Hardware SmaRTClock provides real-time clock functionality while consuming less than 0.5 µA of supply current.
• Built-in DC-DC converter allows efficient operation in single-battery modes by regulating output voltages.

Applications

• Single or dual battery powered embedded systems
• Low power sensor nodes requiring precise timing
• Industrial control applications with mixed signal requirements

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature rating. Confirm component availability status as product lines may undergo obsolescence notices. Ensure compatibility with required development tools and compiler support before finalizing procurement decisions.

Selection Notes

Select this component when a robust 8051 architecture is needed alongside high-resolution analog conversion capabilities. The integrated DC-DC converter makes it suitable for battery-operated designs where efficiency is critical. Evaluate pin count and I/O flexibility provided by the crossbar decoder against system interface requirements.

Part Context

This part belongs to the C8051F9xx family of mixed-signal microcontrollers designed for low-power applications. The series emphasizes high integration by combining digital processing with extensive analog peripherals on a single die, reducing overall system component count.

Replacement Considerations

Consult the manufacturer's official transition notices for confirmed substitute part numbers. Verify that any alternative maintains identical pinout, memory size, and peripheral configuration to ensure direct interchangeability.

FAQ

What is the maximum throughput of the onboard ADC?

The 10-bit SAR ADC supports a programmable throughput of up to 300 ksps.

How does the device handle low-voltage operation?

It features a built-in DC-DC converter that supports one-cell mode operation down to 0.9 V.