C8051F807-GMR

Overview

The C8051F807-GMR is a mixed-signal ISP Flash MCU from the C8051F80x-83x family, featuring a high-speed 8051 μC core with up to 25 MIPS throughput at a 25 MHz clock. It integrates up to 16 kB of in-system programmable Flash and up to 512 bytes of internal data RAM. Key peripherals include a 10-bit ADC supporting up to 500 ksps, a capacitance-to-digital converter for sensing applications, and digital interfaces such as UART, SMBus, and SPI. The device operates on a supply voltage of 1.8 V to 3.6 V within a temperature range of –40 °C to +85 °C.

Feature Summary

• Capacitance-to-Digital Converter supports buttons, sliders, wheels, and capacitive proximity sensing with fast conversion times and auto-scan capabilities.
• On-chip debug circuitry facilitates full speed, non-intrusive in-system debug without requiring external emulation hardware.
• Pipelined instruction architecture executes 70% of instructions in 1 or 2 system clocks for enhanced processing performance.
• Integrated analog peripherals include a 10-bit ADC with multiple input channels and a comparator with programmable hysteresis.

Applications

• Capacitive touch sensing interfaces
• Mixed-signal data acquisition systems
• Low-voltage embedded control applications

Procurement Notes

Verify component status before procurement as this series is designated Not Recommended for New Designs. Confirm package availability matches design requirements, as options include QFN-20, QSOP-24, and SOIC-16. Ensure development tools support the C2 interface for programming and debugging. Check for any specific errata related to the revision level prior to finalizing production plans.

Selection Notes

Select this component for designs requiring integrated capacitive sensing alongside standard mixed-signal functions. The C8051F807 variant specifically offers the memory and peripheral configuration detailed in the datasheet. Consider the limited I/O count and package size constraints when evaluating board layout. Verify that the 1.8 V to 3.6 V operating range aligns with the system power architecture.

Part Context

This part belongs to the C8051F80x-83x family of fully integrated mixed-signal System-on-Chip MCUs by Silicon Laboratories. The family shares a common CIP-51 core and peripheral set, differentiated primarily by memory sizes and specific pin configurations. The C8051F807 represents a specific configuration within this lineup, optimized for cost-sensitive applications requiring moderate performance and analog integration.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the series is marked Not Recommended for New Designs, consult official Silicon Labs resources for current alternative families suitable for new product introductions.

FAQ

What is the maximum sampling rate of the integrated ADC?

The 10-bit ADC supports a maximum sampling rate of up to 500 ksps.

Does the C8051F807 support capacitive sensing?

Yes, it includes a dedicated Capacitance-to-Digital Converter (CS0) that supports buttons, sliders, wheels, and capacitive proximity sensing.

How is in-system programming handled?

The device features in-system programmable Flash memory that can be programmed in 512-byte sectors, allowing for field upgrades and non-volatile data storage.