C8051F707-GMR

Overview

The C8051F707-GMR is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F70x/71x family, utilizing a high-speed pipelined 8051 core capable of up to 25 MIPS at a 25 MHz clock frequency. It features 16 KB of in-system programmable Flash memory and 512 bytes of internal data RAM. The device integrates a capacitance-to-digital converter supporting up to 38 input channels for sensing applications, alongside a 10-bit ADC with speeds up to 500 ksps. It operates on a supply voltage range of 1.8 V to 3.6 V and is housed in a 48-QFN package.

Feature Summary

• Integrated capacitance-to-digital converter supports buttons, sliders, wheels, capacitive proximity, and touch screen sensing with auto-scan capabilities.
• On-chip debug circuitry facilitates full-speed, non-intrusive in-system debugging without requiring external emulator hardware.
• High-speed 8051 CPU utilizes a pipelined instruction architecture that executes a majority of instructions in one or two system clocks.
• Includes analog comparators with programmable hysteresis and response time, configurable as interrupt or reset sources.

Applications

• Capacitive sensing interfaces for buttons, sliders, and touch screens
• Embedded USB connectivity implementations
• Industrial control systems requiring mixed-signal processing
• Battery-powered devices utilizing low-voltage operation

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required package type and temperature rating. Check for current lifecycle status, as this model may be subject to obsolescence notices. Ensure compatibility with existing development tools and programming interfaces before finalizing procurement orders.

Selection Notes

Select this component when a complete single-chip solution for embedded applications is required. It is suitable for designs needing integrated capacitive sensing and analog conversion without external components. Consider the available I/O count and memory size relative to application requirements. Evaluate the operating voltage range against the target power supply constraints.

Part Context

This microcontroller belongs to the C8051F70x/71x mixed-signal ISP Flash MCU family. It combines a high-speed 8051-compatible core with extensive on-chip peripherals. The family is designed to provide a cost-effective, fully integrated solution for various embedded control tasks. Development kits are available to facilitate initial prototyping and software validation.

Replacement Considerations

Public confirmed substitute part numbers: None identified.