CY8CTMG201-48LTXI

Application Specific Microcontrollers Overview

The CY8CTMG201-48LTXI is an 8-bit microcontroller within the PSoC TrueTouch family, manufactured by Infineon Technologies. It integrates an M8C CPU core with a maximum operating frequency of 24 MHz. The device features 32 kByte of Flash memory and 1 kByte of SRAM. Key peripherals include a dedicated TrueTouch module for capacitive sensing, four comparators, a programmable timer, and full-speed USB capabilities. Communication interfaces consist of I2C slave, SPI, and UART modules. The component operates within a voltage range of 1.71 V to 5.5 V and supports a wide industrial temperature range from -40 °C to +85 °C.

Application Specific Microcontrollers Feature Summary

• Integrated TrueTouch module supporting multiple sensing approaches including Positive Charge Integration and Relaxation Oscillator.
• M8C 8-bit CPU core with 24 MHz maximum clock frequency.
• Full-Speed USB interface combined with standard digital communication blocks (I2C, SPI, UART).
• Four built-in comparators and a programmable timer for analog signal processing.

Application Specific Microcontrollers Applications

• Capacitive touch sensor controllers for human-machine interfaces.
• Single-touch touchscreen applications requiring integrated sensing and processing.
• Embedded systems utilizing USB connectivity with analog input monitoring via comparators.

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the specific ordering suffix corresponds to the required package type and lead finish. Ensure development tools are compatible with the PSoC Designer or equivalent IDE for the M8C architecture. Check current lifecycle status as older components may have limited availability.

Application Specific Microcontrollers Selection Notes

Select this model when a combined MCU and capacitive touch controller is required in a single package. The 48-pin QFN package provides sufficient GPIOs for complex touch arrays. Consider the 32 kByte Flash size for firmware requirements. Verify that the internal oscillator accuracy meets system timing constraints without external crystal support if desired.

Application Specific Microcontrollers Part Context

This part belongs to the PSoC CY8CTMG20x series, which merges general-purpose microcontroller functions with specialized TrueTouch hardware. It shares architectural similarities with the CY8CTST200 series but includes specific optimizations for touch sensing algorithms. The device utilizes the M8C core common across Cypress/Infineon's 8-bit PSoC 1 portfolio.

Application Specific Microcontrollers Replacement Considerations

Direct replacements within the same family include the CY8CTMG200-48LTXI, which offers identical pinouts and functionality but may differ in pre-programmed firmware or specific factory calibration settings. Cross-family migration to newer PSoC generations requires significant software refactoring due to architectural differences.