CY8CTST200-16LGXI

Application Specific Microcontrollers Overview

The CY8CTST200-16LGXI is a PSoC device from Cypress Semiconductor, integrating the TrueTouch single-touch touchscreen controller with a PSoC core. It features an M8C CPU, 32KB Flash memory, and operates within a voltage range of 1.71V to 5.5V. The component utilizes a 16-pin package configuration as detailed in the Technical Reference Manual (Document No. 001-53603 Rev. *C). Key system resources include I2C Slave, SPI, Full-Speed USB, and programmable timers.

Application Specific Microcontrollers Feature Summary

• Integrated TrueTouch module for capacitive touch sensing using approaches like Positive Charge Integration and Relaxation Oscillator.
• PSoC architecture with M8C CPU core, 32KB Flash, and RAM paging capabilities.
• Supports multiple communication interfaces including I2C Slave (EZI2C), SPI, and Full-Speed USB.
• Includes analog peripherals such as comparators and an I/O Analog Multiplexer.

Application Specific Microcontrollers Applications

• Single-touch touchscreen controller applications
• Embedded systems requiring integrated touch sensing and MCU functionality
• Portable devices utilizing USB or I2C connectivity

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type and temperature grade. Ensure compatibility with the PSoC Designer toolchain for firmware development. Cross-reference the document number 001-53603 for accurate register definitions and electrical specifications.

Application Specific Microcontrollers Selection Notes

Select this component when a combined microcontroller and touch controller solution is required. The 16-pin variant is suitable for space-constrained designs. Consider the available GPIO pins and the specific analog multiplexer requirements for sensor integration. Verify power supply constraints against the 1.71V to 5.5V operating range.

Application Specific Microcontrollers Part Context

This part belongs to the PSoC CY8CTMG20x and CY8CTST200 family. It shares architectural similarities with the CY8CTMG200-16LGXI but includes specialized TrueTouch hardware. The TRM covers pinouts, CPU core details, and peripheral registers for the entire series.

Application Specific Microcontrollers Replacement Considerations

Check for CY8CTMG200-16LGXI if MCU-only functionality is sufficient. For other pin counts, consider CY8CTST200-24LQXI or CY8CTST200-32LQXI. Verify software compatibility if migrating between different package variants within the same family.

Application Specific Microcontrollers FAQ

What touch 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 the CY8CTST200-16LGXI support EZI2C mode?

Yes, the device includes an I2C Slave peripheral that supports EZI2C mode for simplified data transfer.

What is the operating voltage range for this device?

The device operates within a voltage range of 1.71V to 5.5V.