Infineon Technologies CY8C4014SXI-411
- Part No.:
- CY8C4014SXI-411
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
CY8C4014SXI-411.pdf
- Description:
- IC MCU 32BIT 16KB FLASH 16SOIC
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4014SXI-411 from Infineon (formerly Cypress) is a 32-bit Arm Cortex-M0 programmable system-on-chip (PSoC) with integrated CapSense capacitive sensing, two current DACs (IDACs), one low-power comparator, and a 16-bit TCPWM block. It features 16 KB flash, 2 KB SRAM, operates from 1.71–5.5 V, and supports Deep Sleep wake-up via I²C address match - used in touch-enabled human interface modules for industrial HMI and consumer appliances.
For engineers reviewing the CY8C4014SXI-411 datasheet, CY8C4014SXI-411 pinout, CY8C4014SXI-411 application, or CY8C4014SXI-411 equivalent, key selection criteria include CapSense SNR performance, SmartSense™ auto-tuning range (5–45 pF), I²C wake capability in Deep Sleep, TCPWM kill-signal triggering, and SWD debug compatibility with Arm industry tools.
Technical Context
The device integrates a 16-MHz Arm Cortex-M0 CPU with NVIC and Wakeup Interrupt Controller (WIC), enabling deterministic interrupt latency and sub-35 µs Deep Sleep wake-up. Its analog subsystem centers on a 1.2-V referenced comparator and dual IDACs supporting both general-purpose analog output and CapSense CSD modulation.
Digital resources include one multi-mode TCPWM block (center-aligned/edge/pseudo-random PWM), a single SCB-based I²C master/slave with address-match wake, and programmable GPIO routing across Ports 0–2 - all coordinated by a single-layer AHB-Lite interconnect and clock-divided FCPU-derived peripheral clocks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, 16 MHz max - enables Thumb-2 binary compatibility with Cortex-M3/M4 for scalable firmware migration. |
| Flash / SRAM | 16 KB flash with Read Accelerator, 2 KB zero-wait-state SRAM - supports real-time control loops without cache misses. |
| CapSense Engine | Cypress CapSense Sigma-Delta (CSD) with SmartSense™ auto-tuning (5–45 pF) - eliminates manual sensor calibration in production. |
| I²C Interface | Multi-master SCB-I²C with Deep Sleep address-detect wake - allows host-less touch polling while consuming <1 µA. |
| TCPWM Block | One 16-bit timer/counter/PWM with comparator-triggered kill signal - enables hardware-synchronized motor fault shutdown. |
| Power Modes | Active, Sleep, Deep Sleep (35 µs wake) - Deep Sleep retains I²C and WIC functionality while disabling CPU, flash, and high-speed clocks. |
| Supply Range | 1.71–5.5 V - supports direct connection to Li-ion, USB, or 3.3/5 V rails without external regulators. |
Pinout & Package
CY8C4014SXI-411 is housed in an 8-pin SOIC package (body width 3.9 mm, lead pitch 1.27 mm) with exposed thermal pad per JEDEC MS-012. All pins support configurable drive modes, slew rates, and digital/analog/CapSense functions via PSoC Creator routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Primary power supply input | Accepts 1.71–5.5 V; powers all digital and analog blocks including CapSense modulator. |
| GND | Ground reference | Common return for analog/digital domains; must be low-impedance for CapSense noise immunity. |
| XRES | External reset input | Active-low asynchronous reset; internal pull-up enabled; resets CPU, peripherals, and SRAM contents. |
| P0[0] | Programmable GPIO / CapSense input | Configurable as CSD electrode, comparator input, or I²C SDA - routed through IOSS matrix to analog/digital resources. |
| P0[1] | Programmable GPIO / CapSense input | Supports mutual/capacitive proximity sensing; shares same analog routing path as P0[0] for differential CSD. |
| SCL | I²C clock | Dedicated hardware I²C clock pin; supports clock stretching and Deep Sleep address-match wake. |
| SDA | I²C data | Open-drain I²C data line; internally pulled up; participates in address-match detection during Deep Sleep. |
| SWDCK / SWDIO | Serial Wire Debug interface | 2-pin SWD (JTAG subset) for programming, breakpoint debugging, and real-time memory inspection in final system. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense™ Auto-Tuning | Hardware-accelerated CapSense calibration over 5–45 pF sensor range - eliminates factory tuning fixtures and firmware compensation tables. |
| Deep Sleep I²C Wake | I²C address match detection while CPU, flash, and SRAM are powered down - reduces system standby current to <1 µA. |
| Comparator-Based Kill Signal | TCPWM kill input triggered by comparator output - enables cycle-by-cycle overcurrent protection without CPU intervention. |
| Programmable Routing Matrix | Flexible interconnect between GPIOs, analog blocks, and digital peripherals - allows full pin remapping without PCB redesign. |
| SWD Debug-on-Chip | Fully integrated 2-wire debug with 4 breakpoints and 2 watchpoints - enables in-system firmware validation without external emulators. |
Applications
| Industrial HMI Panel | Smart Appliance Control |
|---|---|
Use Scenario: Touch-sensitive front panel on PLC-mounted operator interface with glove operation and water splash tolerance. IC Role / Device Role / Timing Role: Primary MCU executing CapSense scanning, button debouncing, and Modbus RTU communication via I²C-to-RS485 bridge. Use Value: CSD's >80 dB SNR and SmartSense™ ensure reliable detection under wet conditions without recalibration across temperature and humidity shifts. | Use Scenario: Touch control module in refrigerator door panel requiring ultra-low standby power and ESD-robust sensing. IC Role / Device Role / Timing Role: Standalone CapSense controller with Deep Sleep wake on touch event, then activating main application MCU via GPIO. Use Value: Sub-1 µA Deep Sleep current extends battery life in backup power mode; integrated IDACs eliminate external sensing components. |
| Medical Device Keypad | IoT Sensor Node |
Use Scenario: Sterilizable touch keypad on infusion pump with strict EMC and safety isolation requirements. IC Role / Device Role / Timing Role: Isolated CapSense acquisition unit feeding digitized touch status to main controller via opto-isolated UART. Use Value: On-chip 1.2-V reference and comparator enable ratiometric sensing immune to supply drift; SWD debug supports FDA audit traceability. | Use Scenario: Battery-powered environmental monitor with capacitive wake-on-proximity and BLE connectivity. IC Role / Device Role / Timing Role: Low-power sensor hub managing CapSense wake, ADC sampling of temp/humidity, and BLE SoC wakeup signaling. Use Value: Single-chip integration reduces BOM count; TCPWM-generated timing signals synchronize sensor sampling and radio duty cycling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4014LQI-412 | Same core and peripherals, but in 16-pin QFN (5 × 5 mm) with 16 GPIOs and no XRES pin. | Requires PCB redesign; better suited for space-constrained designs needing more CapSense electrodes. | Select when additional GPIOs and smaller footprint outweigh need for external reset pin. |
| STM32G031F8P6 | Arm Cortex-M0+, 64 MHz, no integrated CapSense; requires external touch controller or software-based sensing. | Lacks hardware CSD engine and SmartSense™ - increases firmware complexity and reduces SNR in noisy environments. | Select only if existing STM32 toolchain and ecosystem outweigh CapSense performance trade-offs. |
Compared with CY8C4014LQI-412, the CY8C4014SXI-411 offers external reset control and simpler layout in 8-pin SOIC, while STM32G031F8P6 demands external analog front-end design and delivers lower touch robustness despite higher CPU clock speed.
Availability
CY8C4014SXI-411 is available at Aetrix Electronics and suitable for industrial HMI, smart appliance control, medical keypad interfaces, and IoT sensor nodes requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for CY8C4014SXI-411 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
Infineon Technologies acquired Cypress Semiconductor in 2020 and now develops, manufactures, and supports the PSoC family as part of its broader microcontroller and embedded security portfolio.
The PSoC 4000 product line targets cost-sensitive, size-constrained embedded systems requiring integrated analog sensing, low-power operation, and rapid capacitive touch development - emphasizing CapSense performance, debug-on-chip, and seamless IDE integration.
FAQ
Does CY8C4014SXI-411 support USB connectivity?
No. The CY8C4014SXI-411 does not include a USB PHY or USB controller. It provides I²C, GPIO, and SWD interfaces only. For USB host/device functionality, external bridge ICs (e.g., CP2102N) or migration to PSoC 4100/4200 series with USBFS are required.
What is the maximum operating temperature for this device?
The CY8C4014SXI-411 is rated for industrial temperature range: –40 °C to +85 °C. This is confirmed in the "Device Level Specifications" section (page 14) of datasheet 001-89638 Rev. *L, with guaranteed operation across this range under specified voltage and load conditions.
Can the IDACs be used for precision analog output beyond CapSense?
Yes - both IDACs are independently configurable from 0 to 1.2 mA with ±5% accuracy (referenced to internal 1.2-V bandgap). They support voltage-to-current conversion via external resistors and are usable in LED biasing, sensor excitation, and programmable current sources - though not intended for high-accuracy DAC replacement.
Is PSoC Creator still supported for this part?
Yes. PSoC Creator v4.4 remains the officially supported IDE for CY8C4014SXI-411. Infineon provides legacy tool support, component libraries, and CapSense Tuner integration. New designs may use ModusToolbox™ with PDL, but PSoC Creator retains full code generation and hardware configuration capability for this device family.
CY8C4014SXI-411 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Series:
- PSOC™ 4 CY8C4000
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 16MHz
- Connectivity:
- I2C
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- D/A 1x7b, 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4014SXI-411 FAQ
1.How can I place an order for CY8C4014SXI-411 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4014SXI-411 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 CY8C4014SXI-411 reliable?
The price and inventory of CY8C4014SXI-411 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4014SXI-411 is usually 5 days.
3.What payment methods are accepted for CY8C4014SXI-411?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4014SXI-411 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4014SXI-411?
CY8C4014SXI-411 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4014SXI-411 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 CY8C4014SXI-411?
For technical support, including CY8C4014SXI-411 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4014SXI-411 requirements.
6.How does Aetrix verify that CY8C4014SXI-411 is sourced from the original manufacturer or authorized distributors?
All CY8C4014SXI-411 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 CY8C4014SXI-411 meets industry standards.
7.What is the process for return or replacement of CY8C4014SXI-411?
All CY8C4014SXI-411 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4014SXI-411, 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 CY8C4014SXI-411 part is unused and in its original packaging.
Return procedure for CY8C4014SXI-411:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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