CY8C24423A-24SXI

Overview

The CY8C24423A-24SXI is an 8-bit microcontroller from the Infineon PSoC 1 family, utilizing the M8C core. It features 4 KB of Flash program memory and 256 bytes of SRAM data storage. The device supports a maximum clock frequency of 24 MHz and operates within a voltage range of 2.4 V to 5.25 V. It includes six analog PSoC blocks supporting up to 14-bit ADCs and four digital PSoC blocks for timers, counters, PWMs, and serial interfaces. The component provides 24 I/O pins and functions within an industrial temperature range of -40 °C to +85 °C.

Feature Summary

• Configurable analog system with six PSoC blocks supporting high-resolution ADCs, DACs, and programmable filters
• Flexible digital architecture with four PSoC blocks enabling custom peripheral creation such as UART, SPI, and PWM
• Integrated low-voltage detection and power-on-reset circuits for robust system supervision
• Support for in-system serial programming and partial flash updates for flexible firmware management

Applications

• Electric bicycle brushless DC motor controllers
• Consumer electronics requiring mixed-signal processing
• Industrial equipment with sensor interface requirements
• Automotive systems operating in harsh environments

Procurement Notes

Verify the specific package suffix against official documentation to ensure correct pinout compatibility. Confirm that the ordering code matches the required speed grade and temperature rating. Check for any recent lifecycle status changes or obsolescence notices from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a design requires configurable analog peripherals alongside an 8-bit processor. It is suitable for applications needing precise signal conditioning and digital control without external discrete components. Consider the available GPIO count and memory size relative to application complexity.

Part Context

This part belongs to the CY8C24x23A series of PSoC Programmable System-on-Chips. These devices are designed to replace multiple traditional MCU-based system components with a single-chip solution. The series emphasizes design flexibility through programmable analog and digital blocks, targeting cost-sensitive and space-constrained embedded applications.

Replacement Considerations

Consult the official datasheet for direct pin-compatible substitutes within the CY8C24x23A family. Verify functional equivalence regarding memory size, peripheral availability, and electrical specifications before substituting.