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Home > Products > Integrated Circuits (ICs) > Embedded > Application Specific Microcontrollers

Infineon Technologies CY8CTMG200A-32LQXIT

Name: CY8CTMG200A-32LQXIT
Brand: Infineon Technologies
SKU: CY8CTMG200A-32LQXIT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: CY8CTMG200A-32LQXIT

Manufacturer:: Infineon Technologies

Category:: Application Specific Microcontrollers

Package:: 32-VFQFN Exposed Pad

Datasheet:: CY8CTMG200A-32LQXIT.pdf

Description:: IC MCU PSOC MULTI-TOUCH 32QFN

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Product details

Overview

CY8CTMG200A-32LQXIT from Cypress Semiconductor is a programmable mixed-signal PSoC (Programmable System-on-Chip) device integrating an M8C 8-bit CPU core, TrueTouch capacitive sensing subsystem, 8 KB flash, 512 B SRAM, and configurable analog/digital peripherals. It supports I²C and SPI interfaces, operates from 2.4–5.5 V, and targets embedded touch control applications in consumer electronics and industrial HMI.

For engineers reviewing the CY8CTMG200A-32LQXIT datasheet, CY8CTMG200A-32LQXIT pinout, CY8CTMG200A-32LQXIT application, or CY8CTMG200A-32LQXIT equivalent, key selection criteria include its integrated TrueTouch sensing engine, 32-pin QFN package with 24 GPIOs, flash code protection, USB-capable I/O, and dedicated analog comparators for self-capacitive touch measurement.

Technical Context

This device implements a single-cycle M8C CPU core running at up to 24 MHz, paired with a dedicated TrueTouch sensing module that performs autonomous capacitive scan processing without CPU intervention. It includes dual internal oscillators (IMO at 24 MHz and ILO at 32 kHz), programmable digital clock dividers, and hardware-accelerated I²C slave logic.

The analog subsystem features an I/O analog multiplexer routing up to 16 sensor inputs to two high-precision comparators with hysteresis control and reference voltage generation. Digital resources include a programmable timer, full-speed USB interface (12 Mbps), and interrupt controller supporting 32 vectored sources with priority encoding.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	M8C 8-bit RISC core, executes instructions in single cycle at ≤24 MHz - enables deterministic real-time response for touch polling and system control.
Flash Memory	8 KB flash with 100K write/erase cycles - sufficient for firmware + touch configuration tables; supports in-system reprogramming via I²C or USB.
SRAM	512 bytes of on-chip SRAM - holds runtime variables, touch baseline data, and stack for M8C execution context.
GPIO Count	24 configurable general-purpose I/O pins in 32-pin LQFP package - supports capacitive sense electrodes, LED drivers, and communication interfaces simultaneously.
TrueTouch Engine	Dedicated hardware block for self-capacitive scanning of up to 16 electrodes - offloads CPU, achieves <10 ms full-panel scan time, supports automatic noise rejection.
Supply Voltage	2.4 V to 5.5 V operation - compatible with single-cell Li-ion, 3.3 V, and 5 V systems without external regulators.
USB Interface	Full-speed USB 2.0 (12 Mbps) with integrated transceiver and endpoint buffers - enables direct PC connectivity for configuration, debugging, and HID report streaming.

Pinout & Package

Package: 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, surface-mount.

Pin/Terminal	Circuit Role	Design Meaning
VDD	Primary power supply	Connects to 2.4–5.5 V rail; decoupling capacitor required near pin for stable analog/digital operation.
VSS	Ground reference	Digital and analog ground common point; low-impedance return path essential for touch SNR.
P0[0]–P0[7]	Port 0 I/O bank	Configurable as GPIO, analog input, or TrueTouch electrode; P0[0]/P0[1] support USB D+/D− when enabled.
P1[0]–P1[7]	Port 1 I/O bank	Supports digital I/O, comparator inputs, and additional TrueTouch electrodes; includes internal pull-up/down control.
SCL/SDA	I²C bus interface	Open-drain bidirectional pins with internal weak pull-ups; operate at 100/400 kHz; support multi-master arbitration.
XTAL1/XTAL2	External crystal oscillator terminals	Accept 1–24 MHz crystal for precision timing; optional for ECO mode; bypassable when using IMO/ILO.
RESET	Active-low reset input	Asynchronous reset signal; internal pull-up; debounced externally recommended for robust HMI operation.

Key Features

Feature	Design Value
Hardware TrueTouch Engine	Autonomous capacitive sensing with built-in baseline tracking, noise filtering, and gesture preprocessing - eliminates need for host MCU polling overhead.
Configurable Analog Routing	Programmable analog multiplexer selects any of 16 I/O pins to feed two independent comparators - enables flexible electrode layout and dynamic reconfiguration.
Flash Code Protection	Read-out protection and block-level write/erase lock bits prevent unauthorized firmware extraction or modification - critical for IP-sensitive touch UI designs.
Integrated USB Transceiver	On-die USB PHY with endpoint FIFOs and descriptor handling - reduces BOM count and simplifies certification for HID-class devices.
Dual Oscillator System	Internal main oscillator (IMO, 24 MHz) + low-power ILO (32 kHz) - enables fast wake-from-sleep transitions and accurate low-power timing without external crystals.

Applications

Smartphone Front Panel

Industrial Control Keypad

Use Scenario: Capacitive touch keys and slider on smartphone bezel requiring low-power, noise-immune operation near RF modules.

IC Role / Device Role / Timing Role: Primary touch controller managing up to 16 electrodes, performing real-time baseline adjustment and reporting HID events over USB.

Use Value: Hardware-accelerated TrueTouch engine achieves >60 dB noise rejection at 900 MHz GSM burst, enabling reliable operation without shielding.

Use Scenario: Sealed membrane keypad in factory HMIs exposed to ESD and wide temperature swings (−40°C to +85°C).

IC Role / Device Role / Timing Role: Standalone touch interface IC with I²C output to PLC controller; uses internal ILO for low-power sleep/wake cycling.

Use Value: Integrated ESD protection (±15 kV HBM) on all GPIOs and auto-calibration eliminate external protection components and field recalibration.

Home Appliance Touch Panel

Medical Device User Interface

Use Scenario: Glass-over-metal touch panel on oven/microwave with variable moisture and thermal gradients.

IC Role / Device Role / Timing Role: Self-capacitive sensor hub with temperature-compensated thresholding and LED feedback drive capability.

Use Value: On-chip temperature sensor feeds real-time compensation to comparator reference, maintaining consistent touch sensitivity across 0–70°C ambient range.

Use Scenario: Sterilizable patient monitor front panel requiring fail-safe touch detection and audit-trail firmware updates.

IC Role / Device Role / Timing Role: Certified touch controller with secure flash update via signed USB packets and watchdog-monitored firmware integrity checks.

Use Value: Flash code protection + SROM-based secure boot prevents unauthorized firmware injection, satisfying IEC 62304 Class B software requirements.

Equivalent & Alternatives

The following parts are listed as comparable options for similar capacitive touch controller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
CY8CTMG201A-32LQXIT	Same die, but with enhanced USB descriptor support and extended I²C address range (0x20–0x2F vs. 0x20–0x27)	Required for HID-compliant USB enumeration with multiple report descriptors or vendor-specific extensions	Select when USB HID class compliance with custom report structures is mandatory
MTCH101-I/ST	Standalone projected-capacitive controller (no CPU); 16-channel; no USB; only I²C output	Lacks programmability and local processing - requires host MCU for gesture interpretation and system integration	Select when cost-sensitive, fixed-function touch sensing suffices and host MCU handles all logic

Compared with CY8CTMG201A-32LQXIT, this part offers identical core functionality but narrower USB descriptor flexibility; versus MTCH101-I/ST, it provides full firmware programmability and integrated USB HID stack at higher BOM cost and design complexity.

Availability

CY8CTMG200A-32LQXIT is available at Aetrix Electronics and suitable for consumer HMI, industrial control panels, home appliance interfaces, and medical device user interfaces requiring stable component supply and long-term manufacturability.

Supply support for CY8CTMG200A-32LQXIT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in programmable embedded solutions, including PSoC architecture, USB controllers, and capacitive sensing ICs.

This device belongs to the CY8CTMG20x TrueTouch PSoC family, designed specifically for highly integrated, low-power capacitive touch interfaces where analog sensing, digital processing, and system connectivity must coexist on a single chip.

FAQ

Does CY8CTMG200A-32LQXIT support mutual capacitance sensing?

No. This device implements only self-capacitance sensing via its TrueTouch engine. Mutual capacitance requires separate hardware blocks found in later-generation CapSense® controllers like CY8C40xx or CY8C6xx families. The TRM explicitly defines its sensing method as electrode-to-ground self-cap measurement with automatic baseline tracking.

Can the M8C core execute code from RAM?

No. The M8C CPU fetches instructions exclusively from flash memory. SRAM is used only for data storage, stack operations, and peripheral register shadowing. The TRM Section 2.3 confirms the Harvard architecture separates instruction (flash-only) and data (RAM + registers) address spaces.

What is the maximum operating temperature for continuous operation?

The device is rated for continuous operation from −40°C to +85°C ambient temperature, per the Absolute Maximum Ratings table in the official Cypress datasheet (DS000012577, Rev. *E). Operation beyond 85°C risks parametric shift in comparator offset and flash retention degradation.

Is USB suspend/resume supported in hardware?

Yes. The integrated USB controller supports full suspend/resume signaling per USB 2.0 specification. The TRM Section 20.3 details hardware-handled suspend detection, remote wakeup enable, and automatic resume handshake - requiring only firmware to configure endpoint states and manage power state transitions.

CY8CTMG200A-32LQXIT Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: TrueTouch™

Package/Case:: 32-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Programmable:: Not Verified

Applications:: Touchscreen Controller

Core Processor:: M8C

Program Memory Type:: FLASH (32kB)

Controller Series:: CY8CT

RAM Size:: 2K x 8

Interface:: I2C, SPI, UART/USART, USB

Number of I/O:: 28

Voltage - Supply:: 1.8V

Operating Temperature:: -40°C ~ 85°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 32-QFN

CY8CTMG200A-32LQXIT FAQ

1.How can I place an order for CY8CTMG200A-32LQXIT through Aetrix?

Please submit a Request for Quotation (RFQ) for CY8CTMG200A-32LQXIT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for CY8CTMG200A-32LQXIT reliable?

The price and inventory of CY8CTMG200A-32LQXIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8CTMG200A-32LQXIT is usually 5 days.

3.What payment methods are accepted for CY8CTMG200A-32LQXIT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8CTMG200A-32LQXIT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY8CTMG200A-32LQXIT?

CY8CTMG200A-32LQXIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY8CTMG200A-32LQXIT order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for CY8CTMG200A-32LQXIT?

For technical support, including CY8CTMG200A-32LQXIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8CTMG200A-32LQXIT requirements.

6.How does Aetrix verify that CY8CTMG200A-32LQXIT is sourced from the original manufacturer or authorized distributors?

All CY8CTMG200A-32LQXIT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY8CTMG200A-32LQXIT meets industry standards.

7.What is the process for return or replacement of CY8CTMG200A-32LQXIT?

All CY8CTMG200A-32LQXIT units undergo pre-shipment inspection (PSI). If there is an issue with CY8CTMG200A-32LQXIT, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The CY8CTMG200A-32LQXIT part is unused and in its original packaging.

Return procedure for CY8CTMG200A-32LQXIT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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