CY8C22345-24SXI

Overview

The Infineon CY8C22345-24SXI is an 8-bit microcontroller based on the PSoC architecture, housed in a 28-pin SOIC package. It features an M8C processor core operating at speeds up to 24 MHz. The device includes 16 KB of Flash program memory and 1 KB of SRAM data storage. It supports a supply voltage range of 3.0 V to 5.25 V and operates within an industrial temperature range of –40 °C to +85 °C.

Feature Summary

• Configurable analog and digital system blocks allow custom peripheral creation
• Integrated CapSense resource with dedicated clocking and timer support
• Flexible GPIO with multiple drive modes and interrupt capabilities
• On-chip precision voltage reference and low voltage detection

Applications

• Embedded control systems requiring analog signal processing
• Capacitive touch sensing interfaces
• Industrial monitoring devices operating in extreme temperatures
• Battery-powered applications utilizing low power modes

Procurement Notes

Verify the specific ordering suffix matches the required package type and temperature grade. Confirm that the component revision aligns with your design's silicon errata requirements. Ensure compatibility with the PSoC Designer development environment for configuration and programming.

Selection Notes

Select this model when a combination of programmable analog blocks and digital logic is required in a single chip. Consider the 28-pin SOIC package constraints regarding available I/O pins. Evaluate the 16 KB Flash size against application firmware requirements before finalizing the part number choice.

Part Context

This component belongs to the PSoC 1 family, specifically the CY8C22x45 series. It shares architectural similarities with the CY8C21345 and CY8C22545 but offers distinct pin counts and resource configurations. The family emphasizes hardware configurability to replace discrete components.

Replacement Considerations

CY8C21345-24SXI

FAQ

What is the maximum operating frequency of the M8C processor?

The M8C processor core supports speeds up to 24 MHz.

Does the device support capacitive sensing directly?

Yes, it includes optimized CapSense resources with dedicated clocks and timers for scanning.