The CY8C20436A-24LQ is a CapSense programmable system-on-chip (PSoC) device manufactured by Cypress Semiconductor Corp. It is designed for capacitive touch-sensing applications, integrating configurable analog and digital blocks with a microcontroller core.

Applications:

• Consumer electronics: Touch-sensitive interfaces for appliances, remote controls, and toys.
• Industrial controls: Human-machine interfaces (HMIs) for industrial equipment.
• Medical devices: Touch-based controls for medical instruments and diagnostic tools.
• Automotive: Interior controls, such as touch-based lighting and infotainment systems.

Features:

• CapSense: Integrated capacitive sensing block for implementing touch buttons, sliders, and touchpads.
• Programmable Analog: Configurable op-amps, comparators, and ADCs.
• Programmable Digital: Configurable timers, counters, PWMs, and UARTs.
• M8C Microcontroller Core: Powerful 8-bit processor for control and processing.
• Low Power Consumption: Optimized for battery-powered applications.
• Flexible I/O: Programmable pin assignments for versatile connectivity.
• On-Chip Memory: Includes Flash memory for program storage and SRAM for data.

Benefits:

• Simplified Design: Integration of multiple functions reduces the need for external components.
• Customizable Functionality: Programmable analog and digital blocks allow for tailored solutions.
• Enhanced User Experience: Capacitive touch sensing provides a modern and intuitive interface.
• Reduced System Cost: Integration and flexibility lead to lower overall system costs.
• Faster Time-to-Market: Pre-characterized CapSense performance shortens design cycles.

Additional Details:

The CY8C20436A-24LQ operates within a specific voltage range (typically 2.4V to 5.25V) and temperature range. It is available in a LQFP (Low-profile Quad Flat Pack) package for surface mount assembly. The CapSense block offers high sensitivity and noise immunity. The programmable digital blocks can be configured to implement custom communication protocols or control algorithms. The on-chip Flash memory provides non-volatile storage for application code, ensuring data retention even when power is removed. The device also includes power management features, such as sleep modes, to minimize current consumption in low-activity states.