C8051F802-GMR

Overview

The C8051F802-GMR is an 8-bit mixed-signal ISP Flash microcontroller from the Silicon Labs C8051F80x-83x family. It features a high-speed CIP-51 core operating at up to 25 MIPS with a 25 MHz clock. The device includes up to 16 kB of in-system programmable Flash memory and 512 bytes of internal data RAM. Analog peripherals consist of a 10-bit ADC supporting up to 500 ksps, a capacitance-to-digital converter, comparators, and a temperature sensor. Digital interfaces include UART, SMBus, SPI, three 16-bit timers, and a Programmable Counter Array. It operates on a 1.8 V to 3.6 V supply within a -40°C to +85°C temperature range.

Feature Summary

• Integrated capacitance-to-digital converter supports buttons, sliders, wheels, and capacitive proximity sensing with auto-scan capabilities.
• On-chip debug circuitry facilitates full-speed, non-intrusive in-system debugging without requiring external emulation hardware.
• Pipelined instruction architecture executes 70% of instructions in one or two system clocks for efficient processing.
• Hardware-enhanced serial ports including UART, SMBus, and SPI enable robust digital communication.

Applications

• Capacitive touch interface implementations
• In-system programming applications
• Mixed-signal control systems

Procurement Notes

Verify component status before design finalization as this family is marked Not Recommended for New Designs. Confirm package availability matches project requirements. Review datasheet errata for specific revision details. Ensure development tools support the C2 interface for programming and debugging.

Selection Notes

Select this component when existing designs utilize the C8051F80x-83x family. Evaluate pin compatibility across QFN-20, QSOP-24, and SOIC-16 packages. Consider memory size requirements against the 16 kB Flash limit. Verify analog peripheral needs match the integrated ADC and capacitance sensors.

Part Context

This part belongs to the C8051F80x-83x mixed-signal MCU family. The series provides a single-chip solution combining a high-speed 8051 core with extensive analog and digital peripherals. The family targets cost-sensitive embedded applications requiring integrated connectivity and signal processing capabilities.

Replacement Considerations

Consult official documentation for confirmed substitute part numbers within the same family or compatible successors. Verify pinout and register compatibility during migration.

FAQ

What is the maximum throughput of the CIP-51 core?

The core delivers up to 25 MIPS throughput when operating at a 25 MHz clock frequency.

Does the device require external components for USB connectivity?

No, the C8051F802 does not feature an integrated USB controller; it relies on standard digital peripherals like UART, SMBus, and SPI.