CY8C20434-12LKXI

Overview

The CY8C20434-12LKXI is an 8-bit microcontroller from Infineon Technologies, featuring the M8C core. It operates within a supply voltage range of 2.4V to 5.25V and supports a maximum clock frequency of 12 MHz. The device includes 8 KB of Flash program memory and 512 bytes of RAM. It is housed in a 32-QFN package with 28 I/O pins. Operating temperatures range from -40°C to 85°C.

Feature Summary

• Integrates CapSense technology for capacitive touch sensing applications
• Features low power consumption capabilities suitable for battery-operated devices
• Includes programmable digital and analog blocks for flexible system design

Applications

• Capacitive touch interface controllers
• Low power consumer electronics
• Battery operated portable devices
• Simple control systems requiring minimal I/O

Procurement Notes

Verify the specific suffix 'LKXI' against official Infineon documentation to confirm package type and temperature grade. Ensure compatibility with PSoC Designer software for development. Check RoHS compliance status as indicated in manufacturer datasheets before procurement.

Selection Notes

Select this component when an 8-bit MCU with integrated CapSense is required. Consider the 12 MHz speed limit and 8 KB memory capacity for application complexity. Evaluate the 32-QFN package constraints for PCB layout and thermal management requirements.

Part Context

This part belongs to the PSoC 1 family, combining a microcontroller with programmable analog and digital peripherals. It targets applications needing mixed-signal processing and touch sensing in a compact form factor, leveraging Infineon's established embedded controller architecture.

Replacement Considerations

Check Infineon datasheets for direct pin-to-pin replacements within the CY8C20xxx series. Verify memory size and peripheral availability match requirements before substituting.