CY8C22345-24SXI

Overview

The CY8C22345-24SXI is a PSoC Programmable System-on-Chip featuring an M8C processor operating at speeds up to 24 MHz. It includes 16 KB of Flash program storage, 1 KB of SRAM data storage, and supports in-system serial programming. The device integrates six analog Type E PSoC blocks for ADCs and comparators, alongside eight digital PSoC blocks for configurable peripherals like PWMs, UARTs, and SPI. It operates within a voltage range of 3.0 V to 5.25 V and functions across the industrial temperature range of –40 °C to +85 °C.

Feature Summary

• Configurable analog and digital system resources allow custom peripheral creation
• Integrated CapSense resource with dedicated clocking and scanning timers
• Flexible on-chip memory with partial flash updates and protection modes
• Precision programmable clocking with internal oscillators and PLL support

Applications

• Embedded control systems requiring mixed-signal processing
• Capacitive touch sensing interfaces
• Industrial monitoring and control applications
• Battery-powered devices utilizing low power modes

Procurement Notes

Verify the specific ordering suffix matches the required package type and temperature grade. Confirm that the component source is authorized to ensure silicon authenticity. Check for any applicable RoHS compliance documentation relevant to the manufacturing date code. Ensure the datasheet revision aligns with the design specifications before finalizing procurement.

Selection Notes

Select this component when a single chip must replace multiple discrete MCU and peripheral components. The architecture is suitable for designs needing flexible I/O configurations and mixed-signal capabilities. Consider the available digital and analog block counts against application requirements. Evaluate the CapSense resources if touch interface functionality is necessary for the product.

Part Context

This part belongs to the Cypress PSoC 1 family, specifically the CY8C22x45 series. These devices are designed to integrate programmable analog and digital blocks with an 8-bit CPU. The family emphasizes flexibility through global interconnects that route signals between configurable resources and GPIO pins.

Replacement Considerations

Consult the official datasheet for qualified alternate purchasing options or pin-compatible variants within the same family. Verify electrical characteristics and pin assignments before substituting.