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Infineon Technologies CY8CTMG200-24LQXI
- Part No.:
- CY8CTMG200-24LQXI
- Manufacturer:
- Infineon Technologies
- Category:
- Application Specific Microcontrollers
- Package:
- 24-UQFN Exposed Pad
- Datasheet:
-
CY8CTMG200-24LQXI.pdf
- Description:
- IC MCU 32K FLASH 24UQFN
- Quantity:
- Payment:
- Shipping:
Inventory:490
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Product details
Overview
CY8CTMG200-24LQXI from Cypress Semiconductor is a programmable system-on-chip (PSoC) integrating an M8C 8-bit CPU core, TrueTouch capacitive sensing subsystem, 8 KB flash, 512 B SRAM, and configurable analog/digital peripherals in a 24-pin QFN package. It supports I²C, SPI, USB 2.0 full-speed, and programmable timers for embedded human-interface applications.
For engineers reviewing the CY8CTMG200-24LQXI datasheet, CY8CTMG200-24LQXI pinout, CY8CTMG200-24LQXI application, or CY8CTMG200-24LQXI equivalent, this device requires attention to its TrueTouch analog front-end configuration, IMO/ILO clocking architecture, USB transceiver termination, and GPIO drive strength settings for touch-button and slider implementations.
Technical Context
The CY8CTMG200-24LQXI implements a mixed-signal reconfigurable architecture with a dedicated TrueTouch sensing module including analog multiplexers, comparators, and sigma-delta modulators for up to 20 self- or mutual-capacitance channels. Its M8C CPU runs at up to 24 MHz using the internal main oscillator (IMO) calibrated to ±2% accuracy.
System-level resources include a full-speed USB 2.0 transceiver with integrated PHY, dual I²C/SPI slave interfaces, programmable 8-bit/16-bit timers, and supervisory ROM (SROM) providing bootload, flash erase/write, and calibration functions without host CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M8C 8-bit RISC core, 24 MHz max operating frequency, Harvard architecture with separate instruction/data buses |
| Flash Memory | 8 KB on-chip flash with 100 k-cycle endurance and 20-year data retention at 85°C |
| SRAM | 512 bytes of volatile RAM with paging support for stack and index memory management |
| TrueTouch Channels | Supports up to 20 capacitive sensing inputs via configurable analog mux and comparator-based acquisition |
| USB Interface | Full-speed (12 Mbps) USB 2.0 transceiver with integrated differential PHY and endpoint buffers |
| Oscillators | Internal main oscillator (IMO, 1–24 MHz, ±2% factory-calibrated), internal low-speed oscillator (ILO, 100 kHz), external crystal oscillator (ECO, 1–24 MHz) |
| I/O Pins | 20 general-purpose I/O pins with configurable drive modes (CMOS, open-drain, high-Z, resistive pull-up/down) |
Pinout & Package
Package: 24-pin QFN (4 mm × 4 mm, 0.5 mm pitch), exposed thermal pad, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core power supply | 3.0–5.25 V analog/digital supply; powers CPU, flash, SRAM, and analog blocks |
| VSS | Ground reference | Digital and analog common return; must be low-impedance connection to PCB ground plane |
| XIN/XOUT | External crystal interface | Connects to 1–24 MHz parallel-resonant crystal; enables precise timing for USB and communication protocols |
| USB_DP/USB_DM | USB differential pair | Direct connection to USB connector; requires 27 Ω series termination and 1.5 kΩ pull-up on DP for full-speed enumeration |
| SCL/SDA | I²C bus interface | Open-drain bidirectional signals supporting standard/fast-mode I²C (100/400 kHz) for host communication or sensor hub control |
| SPIMISO/SPIMOSI/SPICLK/SPISSEL | SPI peripheral interface | Configurable as master or slave; supports 4-wire mode with independent clock polarity/phase control |
| P0[0]–P0[7] | GPIO bank 0 | Eight pins with TrueTouch analog input capability; each supports CapSense™ electrode routing and comparator input selection |
| P1[0]–P1[3] | GPIO bank 1 | Four digital-only pins; usable for status LEDs, reset control, or general-purpose interrupt sources |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Sensing Engine | Hardware-accelerated TrueTouch subsystem with automatic baseline tracking, noise rejection, and proximity detection-enables robust touch buttons/sliders without firmware polling |
| Reconfigurable Peripherals | Dynamic routing of analog (opamps, comparators, ADCs) and digital (counters, PWMs, UARTs) blocks via PSoC Designer™ - eliminates external components for mixed-signal signal chains |
| USB Bootloader Support | SROM-hosted USB firmware update capability allows field upgrades without external programmer or debug interface |
| Low-Power Sleep Modes | Three sleep states (Sleep, Deep Sleep, Halt) with wake-on GPIO, timer, or USB resume - achieves <1 µA current in Deep Sleep with ILO running |
| Flash Security | Read protection, block locking, and SROM-enforced write/erase access control prevent unauthorized firmware extraction or modification |
Applications
| Consumer Touch Panel | Industrial Control Interface |
|---|---|
Use Scenario: 5-button + 1-slider capacitive control panel for home appliance UI (microwave, washer). IC Role / Device Role / Timing Role: Primary system controller and capacitive sensing processor; manages button debounce, slider position interpolation, and USB HID report generation. Use Value: Eliminates mechanical switches and external touch controller IC; reduces BOM count by integrating MCU, analog front-end, and USB transceiver in one die. | Use Scenario: Operator panel on HVAC control unit requiring ESD-hardened touch inputs and real-time status feedback. IC Role / Device Role / Timing Role: Human-interface subsystem managing touch response, LED indicators, and I²C communication with main MCU over isolated bus. Use Value: Delivers >8 kV contact ESD immunity per IEC 61000-4-2 using on-chip analog filtering and firmware-based noise suppression algorithms. |
| Medical Device Keypad | Automotive Interior Switch |
Use Scenario: Sealed membrane keypad for portable diagnostic equipment with glove-friendly operation. IC Role / Device Role / Timing Role: Dedicated capacitive sensing node with adaptive threshold tuning and wet-finger compensation. Use Value: Maintains reliable detection under condensation or saline contamination using TrueTouch's auto-calibration and multi-frequency scanning. | Use Scenario: Door lock/unlock and window control switch cluster in automotive cabin. IC Role / Device Role / Timing Role: Local touch controller interfacing with body control module (BCM) via LIN or I²C; handles anti-tamper debounce and load switching. Use Value: Meets AEC-Q100 Grade 2 temperature range (−40°C to +105°C) and supports 12 V battery-supplied operation via internal LDO regulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C20x34-24LQXI | Same M8C core and TrueTouch engine but with 16 KB flash, no USB PHY, and enhanced CapSense® library support | Lacks integrated USB transceiver; requires external USB bridge for HID-class devices | Select when USB is not required and higher flash capacity or newer CapSense firmware features are needed |
| STM32F072CBT6 | Cortex-M0 core, 128 KB flash, 16 KB SRAM, USB 2.0 FS device, but no integrated capacitive sensing analog front-end | Requires external RC network and firmware-based touch algorithm; higher code size and CPU load for equivalent touch performance | Select when ARM ecosystem toolchain compatibility, larger memory, or additional peripherals (CAN, DAC) are prioritized over turnkey touch integration |
Compared with CY8CTMG200-24LQXI, CY8C20x34-24LQXI trades USB integration for expanded flash and updated CapSense capabilities, while STM32F072CBT6 offers ARM compatibility and scale at the cost of added design complexity for touch functionality.
Availability
CY8CTMG200-24LQXI is available at Aetrix Electronics and suitable for consumer touch panels, industrial HMI interfaces, medical keypad modules, and automotive interior switches requiring stable component supply across long-lifecycle production programs.
Supply support for CY8CTMG200-24LQXI 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) designs programmable mixed-signal ICs for embedded control, sensing, and connectivity applications, with emphasis on integration, low-power operation, and developer tooling.
The CY8CTMG20x family targets cost-sensitive, space-constrained human-interface applications where capacitive touch sensing, USB HID compliance, and rapid firmware iteration are critical design requirements.
FAQ
Does CY8CTMG200-24LQXI support USB device enumeration without external components?
Yes. The part integrates a full-speed USB 2.0 transceiver with on-die differential drivers, terminations, and pull-up resistor control. When configured as an HID device, it enumerates directly with host systems using only the USB_DP/DM traces and standard USB connector - no external PHY or level-shifting components are required.
What is the maximum number of simultaneous touch electrodes supported?
The CY8CTMG200-24LQXI supports up to 20 capacitive sensing channels in self-capacitance mode or 10 channels in mutual-capacitance mode, constrained by the analog multiplexer routing and comparator resources. All channels share the same TrueTouch hardware engine and are scanned sequentially under firmware or SROM control.
Is the internal main oscillator (IMO) accurate enough for USB timing?
No. While the IMO is factory-calibrated to ±2% accuracy, USB full-speed operation requires ±0.25% clock tolerance. For USB compliance, the device must use the external crystal oscillator (ECO) with a 12 MHz crystal, or derive USB clock from a PLL locked to ECO - the IMO alone cannot meet USB timing specifications.
Can the flash memory be reprogrammed in-system via USB?
Yes. The supervisory ROM (SROM) includes a USB bootloader that enables in-system programming of flash memory using vendor-defined HID class commands. Firmware updates can be performed without JTAG or external programmers, provided the application firmware reserves space for the bootloader and configures USB descriptors correctly.
CY8CTMG200-24LQXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- TrueTouch™
- Package/Case:
- 24-UQFN Exposed Pad
- Packaging:
- Bulk
- 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:
- 20
- Voltage - Supply:
- 1.8V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-QFN
CY8CTMG200-24LQXI FAQ
1.How can I place an order for CY8CTMG200-24LQXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8CTMG200-24LQXI 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 CY8CTMG200-24LQXI reliable?
The price and inventory of CY8CTMG200-24LQXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8CTMG200-24LQXI is usually 5 days.
3.What payment methods are accepted for CY8CTMG200-24LQXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8CTMG200-24LQXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8CTMG200-24LQXI?
CY8CTMG200-24LQXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8CTMG200-24LQXI 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 CY8CTMG200-24LQXI?
For technical support, including CY8CTMG200-24LQXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8CTMG200-24LQXI requirements.
6.How does Aetrix verify that CY8CTMG200-24LQXI is sourced from the original manufacturer or authorized distributors?
All CY8CTMG200-24LQXI 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 CY8CTMG200-24LQXI meets industry standards.
7.What is the process for return or replacement of CY8CTMG200-24LQXI?
All CY8CTMG200-24LQXI units undergo pre-shipment inspection (PSI). If there is an issue with CY8CTMG200-24LQXI, 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 CY8CTMG200-24LQXI part is unused and in its original packaging.
Return procedure for CY8CTMG200-24LQXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY8CTMG200-24LQXI Tags
-
CYPD3175-24LQXQ
Infineon Technologies
-
SLB9672VU20FW1523XTMA1
Infineon Technologies
-
SLB9670VQ20FW785XTMA1
Infineon Technologies
-
SLB9672XU20FW1523XTMA1
Infineon Technologies
-
SLB9673XU20FW2613XTMA1
Infineon Technologies
-
CYPD3125-40LQXIT
Infineon Technologies
-
AT97SC3204-U2A1A-20
Microchip Technology
-
AT97SC3204-U2A1A-10
Microchip Technology
-
SLM9670AQ20FW1311XTMA1
Infineon Technologies
-
SLB9672XU20FW1613XTMA1
Infineon Technologies
-
SLB9672AU20FW1613XTMA1
Infineon Technologies
-
SLB9673AU20FW2613XTMA1
Infineon Technologies
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