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Infineon Technologies CY8C4124FNI-S413T
- Part No.:
- CY8C4124FNI-S413T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 35-XFBGA, WLCSP
- Datasheet:
-
CY8C4124FNI-S413T.pdf
- Description:
- IC MCU 32BIT 16KB FLASH 35WLCSP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
CY8C4124FNI-S413T from Infineon is a programmable 32-bit Arm® Cortex®-M0+ microcontroller with 48 MHz CPU, 32 KB flash, 4 KB SRAM, integrated CAPSENSE™ capacitive sensing, and reconfigurable analog/digital blocks. It supports 1.71–5.5 V operation, deep-sleep mode at 2.5 µA, and up to 36 GPIOs-used in human-interface touch panels, industrial control HMI, and battery-powered sensor nodes.
For engineers reviewing the CY8C4124FNI-S413T datasheet, CY8C4124FNI-S413T pinout, CY8C4124FNI-S413T application, or CY8C4124FNI-S413T equivalent, key selection criteria include its 12-bit 1-Msps SAR ADC, dual opamps with deep-sleep operation, SmartSense auto-tuning for water-tolerant touch, TCPWM kill-signal triggering for motor safety, and SCB-based I²C/SPI/UART reconfiguration.
Technical Context
The device implements a tightly coupled subsystem where the Cortex®-M0+ core executes firmware while programmable analog blocks (CTB opamps, SAR ADC, CSD sigma-delta engine) and digital logic (TCPWM, SCB, PLD) operate concurrently under shared clock domains. All peripherals are routed via a flexible interconnect matrix enabling dynamic signal path reconfiguration without hardware changes.
Its CAPSENSE™ subsystem uses a dedicated capacitance-sigma-delta (CSD) block delivering >5:1 SNR and automatic hardware tuning (SmartSense), eliminating manual calibration. The three SCBs support runtime switching between I²C, SPI, and UART protocols-each independently configurable without affecting others.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+ @ 48 MHz with single-cycle multiply - enables real-time control loops and deterministic interrupt latency ≤12 cycles. |
| Memory | 32 KB flash (with read accelerator) + 4 KB SRAM - sufficient for CAPSENSE™ firmware, communication stacks, and sensor fusion algorithms. |
| Analog Peripherals | 12-bit 1-Msps SAR ADC (differential/single-ended), two rail-to-rail opamps (deep-sleep capable), two low-power comparators - supports precision analog front-end design with sub-µA active monitoring. |
| Digital Peripherals | Five 16-bit TCPWM blocks (center-aligned/PWM/quad-decoder), three reconfigurable SCBs (I²C/SPI/UART), programmable logic (PLD) - enables motor control, serial bridging, and custom state-machine offload. |
| Power & Packaging | 1.71–5.5 V supply; 2.5 µA deep-sleep current; 48-pin TQFP (7×7 mm) - suitable for wide-input industrial sensors and ultra-low-power portable HMI. |
| Capacitive Sensing | CAPSENSE™ CSD block with >5:1 SNR and SmartSense auto-tuning - delivers robust touch detection through glass/plastic with water tolerance and no manual calibration. |
| GPIO | Up to 36 programmable pins with configurable drive strength, slew rate, and analog/digital/CAPSENSE™ assignment - simplifies PCB layout and enables mixed-signal reuse of I/O resources. |
Pinout & Package
Package: 48-pin TQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core & I/O power supply | Accepts 1.71–5.5 V; decoupling required per datasheet layout guidelines to maintain ADC accuracy and deep-sleep stability. |
| VSS | Ground reference | Dedicated analog/digital ground pins enable separation of noise-sensitive and switching return paths. |
| XRES | Active-low reset input | Asynchronous reset with internal pull-up; compatible with external pushbutton or supervisor IC assertion. |
| SWDCLK / SWDIO | ARM Serial Wire Debug interface | Two-pin debug port supporting programming, real-time trace, and breakpoint debugging without dedicated JTAG pins. |
| P0[0]–P0[7] | Programmable GPIO bank | Support CAPSENSE™, analog input/output, or digital logic; each pin configurable for high-drive or low-slew modes. |
| SCB0_SDA / SCB0_SCL | I²C interface signals | Configurable as open-drain with internal pull-ups; default I²C address 0x48 when used with CAPSENSE™ tuner host. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration that adapts to environmental drift and parasitic capacitance changes-eliminates factory tuning and field recalibration. |
| Deep-sleep analog retention | Opamps, comparators, and CSD block remain operational during 2.5 µA system sleep-enables always-on touch wake-up with <100 µs response latency. |
| Reconfigurable SCBs | Three independent serial blocks each dynamically switchable among I²C, SPI, and UART protocols in firmware-reduces BOM count and simplifies multi-interface designs. |
| TCPWM kill-input triggering | Dedicated comparator output can force immediate PWM shutdown-meets functional safety requirements for motor drives and power converters. |
| Programmable analog routing | Internal analog buses connect opamp outputs, ADC inputs, and IDACs without external traces-minimizes noise coupling and board area in mixed-signal layouts. |
Applications
| Industrial HMI Panel | Smart Appliance Control |
|---|---|
|
Use Scenario: Touch-enabled operator interface on PLC-mounted control panel with ambient temperature variation and EMI exposure. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware, managing UART-based Modbus RTU communication to PLC, and driving LED indicators via GPIO PWM. Use Value: SmartSense maintains stable touch performance across -40°C to +85°C; TCPWM center-aligned mode ensures flicker-free LED dimming; deep-sleep wake-on-touch reduces panel standby power to <5 µW. |
Use Scenario: Washing machine control board requiring water-resistant touch buttons, motor phase control, and load sensing via current feedback. IC Role / Device Role / Timing Role: System controller handling CAPSENSE™ wet-finger detection, quadrature decoding of drum position, and comparator-triggered TCPWM kill for overcurrent protection. Use Value: CSD sigma-delta architecture achieves >5:1 SNR under condensation; kill-input logic disables motor drivers within 200 ns of fault detection; IDACs enable ratiometric current sensing without external amplifiers. |
| Medical Patient Monitor | IoT Sensor Node |
|
Use Scenario: Portable vital-sign monitor with capacitive touch controls, analog front-end for ECG/SpO₂ signal conditioning, and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Signal acquisition MCU performing simultaneous 12-bit SAR ADC sampling, opamp-based instrumentation amplification, and SCB-configured SPI to external BLE SoC. Use Value: Dual opamps operate in deep-sleep mode to buffer sensor signals pre-wake; SAR ADC channel sequencer performs synchronized multi-channel sampling; 4 KB SRAM buffers waveform data before transmission. |
Use Scenario: Battery-powered environmental sensor node measuring temperature/humidity, logging data, and transmitting via LoRaWAN gateway. IC Role / Device Role / Timing Role: Low-power edge processor running CAPSENSE™ for buttonless wake, SAR ADC for thermistor reading, and SCB UART for UART-to-LoRa module interface. Use Value: 2.5 µA deep-sleep current extends CR2032 battery life beyond 5 years; internal IMO ±2% accuracy eliminates need for external crystal in non-timing-critical applications; programmable GPIO drive strength minimizes leakage in humid environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4024LQI-S412 | Same PSoC™ 4100S family but with 16 KB flash, 2 KB SRAM, and 24 GPIOs; lacks second opamp and one SCB. | Suitable for simpler touch-only interfaces without analog sensor fusion or multi-protocol serial bridging. | Select when BOM cost reduction is critical and memory/peripheral headroom is not required. |
| STM32G031F8P6 | Arm® Cortex®-M0+, 64 MHz, 64 KB flash, 8 KB SRAM, but no integrated CAPSENSE™ or programmable analog blocks; requires external touch controller. | Better suited for general-purpose control with high-speed timing but no native capacitive sensing or analog reconfiguration. | Choose when leveraging ST's ecosystem tools and external touch ICs is preferred over integrated analog flexibility. |
Compared with CY8C4124FNI-S413T, CY8C4024LQI-S412 trades peripheral richness for lower unit cost, while STM32G031F8P6 offers higher clock speed and memory but demands external components for touch and analog signal conditioning-making CY8C4124FNI-S413T optimal for compact, self-contained HMI designs.
Availability
CY8C4124FNI-S413T is available at Aetrix Electronics and suitable for industrial HMI, smart appliance control, medical patient monitors, and IoT sensor nodes requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for CY8C4124FNI-S413T 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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, and secure connectivity solutions, with global R&D and manufacturing infrastructure.
CY8C4124FNI-S413T belongs to the PSoC™ 4100S product line-designed specifically for cost-sensitive, space-constrained human-interface applications demanding integrated capacitive sensing, low-power operation, and field-reprogrammable analog/digital functionality.
FAQ
Does CY8C4124FNI-S413T support USB connectivity?
No, CY8C4124FNI-S413T does not include a USB PHY or USB controller. It relies on its three reconfigurable SCBs for I²C, SPI, or UART communication. For USB host/device functionality, an external USB-to-UART bridge (e.g., CP2102N) or companion SoC must be used. The device's SWD interface supports programming and debug over USB via standard CMSIS-DAP adapters.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ 3.x for CY8C4124FNI-S413T, including the PDL peripheral driver library, CAPSENSE™ Tuner, and middleware for BLE/Wi-Fi integration. Legacy PSoC™ Creator 4.4 is also compatible but no longer updated. Both environments provide schematic-based design entry, automatic pin assignment, and code generation for TCPWM, SCB, and analog blocks.
Can the internal opamps drive external loads directly?
Yes-the two continuous-time opamps support rail-to-rail output swing and up to 25 mA short-circuit current (per datasheet Section 5.3.1). They can directly drive resistive loads (e.g., 10 kΩ potentiometer wipers) or capacitive loads ≤100 pF. For heavier loads or higher bandwidth, external buffering is recommended; drive strength and slew rate are software-configurable per pin.
Is the 48 MHz CPU frequency achievable across the full voltage range?
Yes, the Arm® Cortex®-M0+ core operates at up to 48 MHz across the entire 1.71–5.5 V supply range. This is enabled by the internal main oscillator (IMO) with ±2% accuracy at 48 MHz, which remains stable without external crystal dependency. At 1.71 V, the maximum frequency is derated to 24 MHz per electrical specifications (Section 5.2), but CY8C4124FNI-S413T's rated 48 MHz operation requires ≥2.7 V supply.
CY8C4124FNI-S413T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 35-XFBGA, WLCSP
- Series:
- PSOC™ 4 CY8C4100S
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 31
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10b Slope; D/A 2xIDAC
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4124FNI-S413T FAQ
1.How can I place an order for CY8C4124FNI-S413T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4124FNI-S413T 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 CY8C4124FNI-S413T reliable?
The price and inventory of CY8C4124FNI-S413T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4124FNI-S413T is usually 5 days.
3.What payment methods are accepted for CY8C4124FNI-S413T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4124FNI-S413T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4124FNI-S413T?
CY8C4124FNI-S413T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4124FNI-S413T 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 CY8C4124FNI-S413T?
For technical support, including CY8C4124FNI-S413T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4124FNI-S413T requirements.
6.How does Aetrix verify that CY8C4124FNI-S413T is sourced from the original manufacturer or authorized distributors?
All CY8C4124FNI-S413T 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 CY8C4124FNI-S413T meets industry standards.
7.What is the process for return or replacement of CY8C4124FNI-S413T?
All CY8C4124FNI-S413T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4124FNI-S413T, 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 CY8C4124FNI-S413T part is unused and in its original packaging.
Return procedure for CY8C4124FNI-S413T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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