CY8C20636A-24LQXI

Application Specific Microcontrollers Overview

The Infineon CY8C20636A-24LQXI is an 8-bit microcontroller within the PSoC 1 family, featuring an M8C CPU core operating at a maximum frequency of 24 MHz. It integrates 8 KB of Flash program memory and 1 KB of SRAM data memory. The device supports a supply voltage range of 1.71 V to 5.5 V and operates within a temperature range of –40 °C to +85 °C. It includes a dedicated CapSense block with SmartSense Auto-tuning for capacitive sensing applications, supporting up to 33 buttons or 6 sliders depending on the package configuration.

Application Specific Microcontrollers Feature Summary

• M8C Harvard-architecture processor with speeds up to 24 MHz
• CapSense controller with SmartSense_EMC auto-tuning for robust noise immunity
• Flexible memory configuration including 8 KB Flash and 1 KB SRAM
• Full-Speed USB 2.0 interface (12 Mbps) and configurable I/O pins

Application Specific Microcontrollers Applications

• Capacitive touch sensing interfaces such as buttons and sliders
• Low-power consumer electronics requiring programmable analog/digital resources
• USB-enabled human-machine interface devices
• Systems requiring integrated supervisory circuits and low-voltage detection

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type, temperature grade, and lead-free status. Ensure compatibility with the PSoC Designer development environment and check for any silicon errata relevant to the specific revision before finalizing procurement plans.

Application Specific Microcontrollers Selection Notes

Select this component when a combination of CapSense functionality, Full-Speed USB, and an 8-bit MCU is required in a compact QFN package. Compare memory sizes across the CY8C20XX6A/S family to ensure sufficient Flash and SRAM for the application firmware. Verify that the GPIO count meets the system's input/output requirements.

Application Specific Microcontrollers Part Context

This part belongs to the CY8C20XX6A/S series of 1.8 V Programmable CapSense Controllers. It shares architectural similarities with other members of the PSoC 1 family but is distinguished by its specific memory size and package options. The device is designed to replace multiple traditional MCU-based components with a single programmable chip.

Application Specific Microcontrollers Replacement Considerations

Direct replacements within the same family include variants with different memory sizes or packages, such as CY8C20637 or CY8C20667. Ensure that the substitute part maintains the required CapSense channel count and USB capability. Cross-reference pinouts and electrical specifications to guarantee functional equivalence.