CY8CTMG200-32LQXI

Application Specific Microcontrollers Overview

The CY8CTMG200-32LQXI is a 32-pin programmable system-on-chip from the PSoC 1 family, manufactured by Infineon Technologies (formerly Cypress Semiconductor). It integrates an M8C CPU core with TrueTouch capacitive sensing capabilities. The device supports Full-Speed USB connectivity and includes I2C slave and SPI interfaces. Key specifications include a maximum operating frequency of 24 MHz, a supply voltage range of 1.71 V to 5.5 V, and an operating temperature range of -40 °C to 85 °C. The component features Pure Sn lead ball surface finish and a peak reflow temperature of 260 °C.

Application Specific Microcontrollers Feature Summary

• M8C CPU Core: 8-bit processor architecture with integrated supervisory ROM functions for block operations and calibration.
• TrueTouch System: Dedicated hardware module supporting multiple sensing approaches including Positive Charge Integration and Relaxation Oscillator.
• Connectivity: Integrated Full-Speed USB controller, I2C Slave (EZI2C mode), and SPI interface.
• GPIO & Analog: Configurable General Purpose I/O pins with analog multiplexer support and built-in comparators.

Application Specific Microcontrollers Applications

• Capacitive touch sensing applications utilizing TrueTouch technology.
• USB-enabled peripheral devices requiring Full-Speed data transfer.
• I2C slave communication nodes in embedded systems.
• General-purpose microcontroller applications within the specified voltage and temperature ranges.

Application Specific Microcontrollers Procurement Notes

Verify the manufacturer origin, as Infineon acquired Cypress Semiconductor. Confirm the package type corresponds to the 32-pin LQXI variant. Ensure compatibility with legacy development tools such as PSoC Designer if required for existing codebases. Check for RoHS compliance status relative to current manufacturing standards.

Application Specific Microcontrollers Selection Notes

Select this component when a combination of M8C processing, TrueTouch sensing, and USB/I2C interfaces is required in a single chip. Consider the 32-pin pinout constraints against application I/O needs. Evaluate the 24 MHz maximum frequency against real-time processing requirements. Verify that the 1.71 V to 5.5 V supply range matches the target power domain.

Application Specific Microcontrollers Part Context

This part belongs to the PSoC 1 CY8CTMG20x family, which specifically targets capacitive touch applications. It shares architectural similarities with the CY8CTST200 series but differs in specific pin configurations and memory allocations. The 'A' suffix variants (e.g., CY8CTMG200A) may indicate updated revisions or minor parameter adjustments within the same functional family.

Application Specific Microcontrollers Replacement Considerations

Direct replacements within the same family include CY8CTMG200A-32LQXI. Cross-family migration to PSoC 4 or PSoC 5LP requires significant software refactoring due to different CPU architectures (ARM Cortex-M vs. M8C).

Application Specific Microcontrollers FAQ

What sensing technologies are supported by the TrueTouch module?

The TrueTouch module supports Positive Charge Integration, Relaxation Oscillator, Successive Approximation, Negative Charge Integration, and Sigma Delta approaches.

Does this device support I2C master functionality?

The datasheet specifies an I2C Slave interface with EZI2C mode support. Master functionality is not explicitly detailed in the provided section headers.

What is the maximum operating frequency of the internal oscillator?

The Internal Main Oscillator (IMO) supports a maximum frequency of 24 MHz.