CY8C21334W-12PVXE

Overview

The CY8C21334W-12PVXE is an 8-bit microcontroller from the Infineon PSoC1 family, featuring the M8C core. It integrates 8KB of Flash program memory and 512 bytes of SRAM data memory. The device operates at a maximum clock frequency of 12MHz with a supply voltage range of 2.4V to 5.25V. It includes 16 general-purpose I/O pins and supports communication interfaces such as I2C, SPI, and UART/USART. The component utilizes an internal oscillator and offers peripherals including PWM, WDT, and POR. It is housed in a 20-SSOP package and is rated for an operating temperature range of -40°C to 125°C.

Feature Summary

• Integrates CapSense Plus technology for robust capacitive touch sensing with high noise immunity.
• Features programmable analog and digital blocks within a single-chip system-on-chip architecture.
• Includes built-in CapSense controllers that enable quick time-to-market and system scalability.

Applications

• Capacitive touch interface designs requiring robust noise immunity
• Low-power embedded control systems utilizing programmable mixed-signal arrays
• Consumer electronics employing scalable touch sensing solutions

Procurement Notes

Verify current availability status as distribution channels may indicate limited supply or end-of-life conditions. Confirm exact ordering suffixes against official Infineon documentation to ensure correct package and temperature grade. Cross-reference datasheet revisions to validate pinout compatibility and electrical specifications prior to procurement.

Selection Notes

Select this component when a low-pin-count MCU requires integrated CapSense capabilities without external sensors. The 12MHz speed and 8KB Flash suit applications needing moderate processing power with persistent storage. Ensure the design accommodates the 20-SSOP footprint and validates thermal performance within the specified industrial temperature range.

Part Context

This part belongs to the CY8C21xxx series of the PSoC1 family, designed for cost-sensitive applications requiring mixed-signal programmability. It combines an 8-bit CPU with configurable analog blocks and digital interconnects, targeting simple control tasks with user interface elements like touch buttons.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with other CY8C21334 variants regarding package and speed grades through official Infineon cross-reference tools.