CY8C20234-12LKXA

Overview

The CY8C20234-12LKXA is an automotive-grade Programmable System-on-Chip (PSoC) microcontroller from Infineon Technologies. It features the M8C processor core operating at a maximum clock frequency of 12 MHz. The device includes 8 KB of Flash program memory and 512 bytes of SRAM data storage. It supports a supply voltage range of 3.0 V to 5.25 V and operates within an extended temperature range of –40 °C to +85 °C. The component is AEC Q100 qualified for automotive electronics applications.

Feature Summary

• AEC Q100 qualification ensures reliability for automotive electronic systems
• Integrated CapSense block enables configurable capacitive sensing elements
• Harvard architecture M8C processor provides low power operation at high speeds
• Flexible on-chip memory with partial flash updates and in-system serial programming

Applications

• Automotive electronics systems
• Capacitive sensing buttons and sliders
• Touchpad interfaces
• Proximity sensors

Procurement Notes

Verify the specific suffix 'LKXA' against official Infineon documentation to confirm package type, lead-free status, and tape-and-reel specifications. Ensure the selected variant matches the required automotive grade and temperature range. Cross-reference the part number with the latest datasheet revision to confirm compatibility with PSoC Designer tools and development kits.

Selection Notes

Select this component when an automotive-qualified MCU with programmable analog and digital blocks is required. The M8C core offers efficient processing for control tasks. Consider the 8 KB Flash limit for complex firmware. Verify that the 12 MHz speed meets timing requirements. Check if the integrated CapSense capabilities reduce external component count compared to standard GPIO solutions.

Part Context

This part belongs to the Cypress/Infineon PSoC 2 family, designed to replace multiple discrete components with a single programmable chip. It combines a fast CPU with configurable analog and digital peripherals. The family is known for its flexibility in customizing peripheral configurations to match specific application needs without additional hardware.

Replacement Considerations

Check for direct pin-to-pin replacements within the CY8C202xx series. Verify functional equivalence regarding memory size and I/O count. Confirm that alternative parts maintain AEC Q100 qualification if used in automotive contexts. Review software compatibility with existing PSoC Designer projects.