C8051F716-GMR

Overview

The C8051F716-GMR is a mixed-signal ISP Flash MCU from the Silicon Labs C8051F70x/71x family, featuring an 8051 core with up to 25 MIPS throughput at 25 MHz. It integrates 16 kB of in-system programmable Flash memory and 512 bytes of internal data RAM. The device includes a capacitance-to-digital converter supporting up to 38 input channels for touch sensing, a 10-bit ADC operating at up to 500 ksps, and analog comparators. Digital peripherals include UART, SMBus, SPI, four 16-bit timers, and a Programmable Counter Array. It 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, proximity, and touch screen sensing with auto-scan capabilities.
• High-Speed 8051 µC Core utilizes pipelined architecture to execute 70% of instructions in 1 or 2 system clocks.
• On-Chip Debug circuitry facilitates full-speed, non-intrusive in-system debug without requiring external emulation hardware.
• Integrated Voltage Supply Monitor ensures stable operation across the specified voltage range.

Applications

• Capacitive touch sensing interfaces
• Mixed-signal control systems
• In-system programming applications

Procurement Notes

Verify component authenticity through authorized distributors. Confirm package marking matches the QFN-32 variant. Check datasheet revision history for updates. Ensure ESD handling protocols are followed during assembly. Validate RoHS compliance status prior to integration.

Selection Notes

Evaluate pin count requirements against the 32-pin QFN footprint. Assess memory needs to ensure 16 kB Flash and 512 B RAM are sufficient. Verify peripheral compatibility including UART, SMBus, and SPI availability. Consider power supply constraints within the 1.8 V to 3.6 V range. Review thermal performance specifications for the target operating environment.

Part Context

This component belongs to the C8051F70x/71x series of mixed-signal microcontrollers. It shares architectural similarities with other members of the C8051F family but offers specific memory and peripheral configurations tailored for capacitive sensing and general-purpose control tasks.

Replacement Considerations

Consult official documentation for direct substitutes. Verify pinout compatibility and electrical characteristics before substitution.

FAQ

What is the maximum conversion rate of the integrated ADC?

The 10-bit Analog to Digital Converter supports sampling rates of up to 500 ksps.

How many input channels does the Capacitance-to-Digital Converter support?

The Capacitance-to-Digital Converter supports up to 38 input channels for sensing applications.