CY8C20634-12FDXIT

Overview

The CY8C20634-12FDXIT is an 8-bit microcontroller from the Infineon PSoC 1 family, utilizing the M8C core. It features 8 KB of Flash program storage and 512 Bytes of SRAM data memory. The device operates within a voltage range of 2.4 V to 5.25 V and supports clock speeds up to 12 MHz. It includes a dedicated CapSense block for capacitive sensing applications and offers configurable I/O pins with analog capabilities.

Feature Summary

• Integrates a low-power CapSense block supporting buttons, sliders, touchpads, and proximity sensors without external components.
• Features a powerful M8C processor with Harvard architecture running at speeds up to 12 MHz.
• Provides flexible on-chip memory with 8 KB Flash and 512 Bytes SRAM, including partial flash update support.
• Includes programmable pin configurations with pull-up, high Z, open-drain, and CMOS drive modes.

Applications

• Capacitive sensing interfaces such as sliders and touch pads
• Complex capacitive sensing interfaces requiring configurable inputs
• Systems requiring low power consumption at high speed

Procurement Notes

Verify the specific ordering suffix FD to confirm package type and temperature range. Confirm availability status as this component may be subject to discontinuation notices. Ensure compatibility with existing design tools like PSoC Designer for firmware development.

Selection Notes

Select this part for applications requiring integrated capacitive sensing and flexible I/O configuration. Consider the 12 MHz maximum clock speed and 2.4 V to 5.25 V operating voltage range. Evaluate the 8 KB Flash and 512 Bytes SRAM against application memory requirements.

Part Context

This component belongs to the CY8C20x34 series of PSoC Programmable System-on-Chips. It is designed to replace multiple traditional MCU-based system components with a single chip. The family includes configurable analog and digital blocks with programmable interconnect.

Replacement Considerations

Check for official replacement notifications or end-of-life documents. Verify if newer PSoC families offer compatible functionality. Consult Infineon documentation for direct substitutes within the same product line.