CY8C23533-24LQXI

Overview

The CY8C23533-24LQXI is an 8-bit microcontroller from the PSoC 1 family, featuring the M8C processor core operating at speeds up to 24 MHz. It integrates 8 KB of Flash program storage and 256 bytes of SRAM data memory within a 32-pin QFN package. The device supports a supply voltage range of 3.0 V to 5.25 V and operates across an industrial temperature range of –40 °C to +85 °C. Key peripherals include four digital PSoC blocks for configurable timers, counters, PWMs, UART, SPI, and I2C interfaces, alongside four analog PSoC blocks supporting ADCs, DACs, amplifiers, and comparators.

Feature Summary

• Configurable mixed-signal architecture with programmable analog and digital blocks
• High-performance 8-bit Harvard-architecture M8C CPU core
• Integrated system resources including low-voltage detection and power-on reset
• Flexible GPIO configuration with multiple drive modes and interrupt capabilities

Applications

• Motor control systems requiring high-speed ADC sampling
• Industrial equipment with mixed-signal processing needs
• Consumer electronics utilizing programmable analog front ends
• Communication devices implementing custom serial protocols

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure package and temperature grade alignment. Confirm that the component is sourced from authorized distributors to guarantee authenticity and traceability. Check for any recent product change notices regarding material composition or manufacturing site updates.

Selection Notes

Select this component when a single-chip solution is required to replace multiple discrete MCU and analog components. Evaluate the available digital and analog block resources to ensure sufficient configurability for the target application's peripheral requirements. Consider the development tools compatibility, specifically PSoC Designer software support for efficient design implementation.

Part Context

This part belongs to the Cypress Semiconductor (now Infineon) PSoC 1 family, specifically the CY8C23x33 series. These devices are designed as programmable system-on-chips that combine an 8-bit microcontroller with configurable analog and digital peripherals. The family targets applications needing design flexibility and reduced board space through integrated functionality.

Replacement Considerations

Check for pin-compatible alternatives within the same PSoC 1 family, such as the CY8C23433, ensuring functional equivalence in digital and analog block counts. Verify that any substitute maintains the same package type and electrical specifications.