CY8C23533-24LQXI

Overview

The CY8C23533-24LQXI is an 8-bit microcontroller from the Infineon PSoC 1 family, utilizing the M8C processor core. It features 8 KB of Flash program storage and 256 bytes of SRAM data memory. The device operates at a maximum clock frequency of 24 MHz with a supply voltage range of 3.0 V to 5.25 V. It includes four digital PSoC blocks and four analog PSoC blocks, providing configurable peripherals such as timers, counters, PWMs, UART, SPI, and I2C. The unit is housed in a 32-pin QFN package.

Feature Summary

• Configurable analog and digital system-on-chip architecture allowing custom peripheral implementation
• Integrated 8-bit SAR ADC optimized for motor control applications
• Flexible GPIO with multiple drive modes and interrupt capabilities
• Internal oscillator with high accuracy and optional external crystal support

Applications

• Motor control systems requiring precise analog signal processing
• Industrial automation devices needing programmable logic interfaces
• Consumer electronics utilizing low-power embedded control
• Battery-operated equipment benefiting from efficient power management

Procurement Notes

Verify the specific ordering suffix matches the required package type and temperature grade. Confirm RoHS compliance status through official documentation before procurement. Ensure development tools are compatible with the selected device variant. Check for any recent product change notices affecting pinout or electrical characteristics.

Selection Notes

Select this component when a highly configurable mixed-signal controller is required. The PSoC architecture allows replacing multiple discrete components with a single chip. Consider the available digital and analog blocks for complex signal routing needs. Evaluate the internal oscillator accuracy against application timing requirements.

Part Context

This part belongs to the CY8C23x33 series within the broader PSoC 1 portfolio. It shares architectural similarities with other members like the CY8C23433 but differs in specific pin counts and peripheral availability. The series is designed for cost-sensitive applications requiring significant flexibility in hardware configuration.

Replacement Considerations

Direct substitutes include other variants within the CY8C23x33 family, such as the CY8C23433, provided pin compatibility and resource requirements are met. Verify that alternative packages maintain the same electrical specifications and thermal performance.