CY8C22545-24AXIT

Overview

The CY8C22545-24AXIT is an 8-bit microcontroller from the PSoC 1 family, featuring the M8C processor core with speeds up to 24 MHz. It includes 16 KB of Flash program storage and 1 KB of SRAM data storage. The device operates within a voltage range of 3.0 V to 5.25 V and supports industrial temperatures from -40 °C to +85 °C. It provides up to 38 configurable I/O pins in a TQFP-44 package. Key peripherals include six analog Type E blocks for ADCs and comparators, eight digital blocks for timers, PWMs, UARTs, and SPI, plus a dedicated CapSense resource.

Feature Summary

• Configurable analog and digital system resources allow custom peripheral creation via PSoC Blocks.
• Integrated CapSense technology with dedicated clock resources and dual channel scanning support.
• Flexible on-chip memory with EEPROM emulation and partial flash update capabilities.
• Precision programmable clocking with internal oscillators and optional external crystal support.

Applications

• Human Machine Interface (HMI) devices requiring capacitive touch sensing
• Industrial control systems operating in harsh environments
• Consumer electronics utilizing programmable logic and analog signal processing

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with the PSoC Designer development environment. Check for any silicon errata relevant to the production batch before finalizing design integration.

Selection Notes

Select this component when application requirements demand high configurability of both analog and digital functions within a single chip. It is suitable for designs needing embedded control with mixed-signal capabilities and low power consumption at high speeds. Consider the available user modules in the development software to ensure required peripherals are supported.

Part Context

This part belongs to the Cypress Semiconductor (now Infineon) PSoC 1 family, specifically the CY8C22x45 series. These devices are designed to replace multiple traditional MCU-based components with a single programmable system-on-chip solution, offering significant flexibility in hardware configuration.

Replacement Considerations

Consult official documentation for direct substitutes within the CY8C22xxx or CY8C21xxx series. Verify pinout compatibility and resource availability if considering migration to other PSoC families such as PSoC 3, 4, or 5LP.