CY8C20434-12LKXIT

Overview

The CY8C20434-12LKXIT is an embedded microcontroller from the PSoC Programmable System-on-Chip family, manufactured by Cypress Semiconductor. It features an M8C core processor with a maximum operating frequency of 12MHz. The device integrates 8KB of FLASH program memory and 512 bytes of RAM. It provides 28 I/O pins and supports I²C and SPI connectivity. Key peripherals include Low Voltage Detect (LVD), Power-On Reset (POR), and Watchdog Timer (WDT). The unit operates within a temperature range of -40°C to 85°C and utilizes an internal oscillator. It is housed in a 32-UQFN package measuring 5x5mm.

Feature Summary

• Integrates configurable analog and digital peripherals on a single chip to reduce external component count.
• Supports CapSense touch sensing capabilities for interactive user interfaces.
• Features low power consumption suitable for battery-operated applications.

Applications

• Industrial control systems
• Data loggers
• Test instruments
• IoT end-node devices

Procurement Notes

Verify the specific suffix 'IT' against official Infineon or Cypress documentation to confirm tape-and-reel packaging status, as standard listings may indicate tube packaging. Ensure the source document explicitly identifies the manufacturer as Cypress Semiconductor or its successor, Infineon Technologies, to validate authenticity. Cross-reference the full part number with the official datasheet to confirm pinout compatibility and electrical specifications before procurement.

Selection Notes

Select this component when a mixed-signal solution combining programmable logic with analog capabilities is required. The M8C architecture offers deterministic execution suitable for real-time control tasks. Consider the 28 available I/Os and integrated communication interfaces for designs minimizing board space. Verify that the 12MHz clock speed meets the processing requirements of the target application firmware.

Part Context

This device belongs to the PSoC 2 family, which merges a standard 8-bit CPU with Field Programmable Analog Blocks (FPAB) and Digital Blocks. This architecture allows hardware designers to customize peripheral functions such as timers, comparators, and communication interfaces directly on the silicon, offering flexibility compared to fixed-function microcontrollers.

Replacement Considerations

Consult official replacement guides for equivalent PSoC 2 series devices with matching memory sizes and package types. Verify pin-to-pin compatibility if substituting within the same family. No direct public substitute part numbers are confirmed in the provided data.