Infineon Technologies CY8C614AAZI-S2F44
- Part No.:
- CY8C614AAZI-S2F44
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
CY8C614AAZI-S2F44.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 128TQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,162
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Product details
Overview
CY8C614AAZI-S2F44 from Infineon is a dual-core Arm® Cortex®-M4F/M0+ PSOC™ 61 MCU with 2048 KB flash, 1024 KB SRAM, and integrated CAPSENSE™, QSPI/XIP, USB FS, and hardware cryptography-designed for secure, ultra-low-power IoT edge nodes requiring concurrent real-time control and wireless connectivity.
For engineers reviewing the CY8C614AAZI-S2F44 datasheet, CY8C614AAZI-S2F44 pinout, CY8C614AAZI-S2F44 application, or CY8C614AAZI-S2F44 equivalent, key selection considerations include dual-voltage core operation (0.9 V / 1.1 V), Deep Sleep current (7 µA with 64 KB SRAM retention), on-chip DC-DC converter (<1 µA quiescent), and SMIF throughput up to 640 Mbps for external flash execution.
Technical Context
The device implements a tightly coupled dual-CPU subsystem where the Cortex-M4F handles application processing at up to 150 MHz with FPU and MPU, while the Cortex-M0+ (100 MHz) is reserved exclusively for system-level functions including security boot, power management, and peripheral offload-enabling deterministic real-time response without software arbitration.
Its programmable analog-digital fabric includes a 12-bit 2-Msps SAR ADC with 16-channel sequencer and averaging, two Deep Sleep-capable comparators, and CAPSENSE™ sigma-delta with SmartSense™ auto-tuning-supporting simultaneous capacitive touch, environmental sensing, and analog signal acquisition in battery-constrained deployments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual-core: 150-MHz Cortex-M4F + 100-MHz Cortex-M0+ (M0+ reserved for system functions only) |
| Memory | 2048 KB flash (RWW), 1024 KB SRAM (3 retention blocks), 32 KB AUXflash, 32 KB SFlash, 1 KB eFuse OTP |
| Power Efficiency | 7 µA Deep Sleep current with 64 KB SRAM retention; 27 µA/MHz M4 active current at 0.9 V core |
| SMIF/QSPI | Up to 640 Mbps throughput; supports XIP, on-the-fly encryption/decryption, and 4 KB cache |
| Analog Peripherals | 12-bit 2-Msps SAR ADC (16-channel sequencer + averaging), 2 low-power comparators (Deep Sleep active) |
| Security | Hardware crypto accelerator (AES-256, ECC, SHA-256), TRNG, boot authentication, 8 protection contexts |
| Package | 44-pin WLCSP (2.4 mm × 2.4 mm, 0.4 mm pitch), ball map matches CY8C614AAZI-S2F44 die revision 1/2 |
Pinout & Package
CY8C614AAZI-S2F44 uses a 44-ball Wafer-Level Chip Scale Package (WLCSP) with 0.4 mm pitch and 2.4 mm × 2.4 mm footprint. Ball assignment follows Infineon's standard PSOC™ 61 WLCSP layout for signal integrity, thermal performance, and PCB routing efficiency in space-constrained IoT modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0 | I/O Power Supply | Supplies 1.7–3.6 V to GPIO bank 0; supports independent voltage scaling from core |
| VDDD | Digital Core Supply | Provides regulated 0.9 V or 1.1 V to both CPU cores and digital logic; connects to on-chip DC-DC |
| XRES | Reset Input | Active-low asynchronous reset; internal pull-up; compatible with external pushbutton or supervisor IC |
| SWDIO/SWCLK | Debug Interface | Two-pin SWD interface for programming and debug; accessible in all non-Hibernate modes |
| P0[0]–P0[7] | Programmable GPIO | Eight pins with Smart I/O capability (Boolean logic in Deep Sleep); configurable drive strength/slew rate |
| USB_DP/USB_DM | USB Full-Speed PHY | Differential pair for USB 2.0 Full-Speed (12 Mbps); integrated termination and transceivers |
Key Features
| Feature | Design Value |
|---|---|
| Dual-Voltage Core Operation | Runtime-selectable 0.9 V or 1.1 V core supply enables dynamic trade-off between performance (150 MHz M4) and ultra-low active current (27 µA/MHz) |
| On-Chip DC-DC Converter | Integrated buck regulator with <1 µA quiescent current reduces external component count and improves battery life in portable sensors |
| SMIF with Hardware Encryption | Enables secure Execute-In-Place from encrypted external flash-eliminates need for RAM-based code loading and reduces attack surface |
| CAPSENSE™ with SmartSense™ | Self-calibrating sigma-delta capacitive sensing engine delivers >100:1 SNR and liquid-tolerant operation without firmware tuning effort |
| Deep Sleep SCB | One dedicated serial block remains active in Deep Sleep mode for low-power I²C/SPI sensor polling-no wake-up latency penalty |
Applications
| Smart Home Sensor Hub | Wearable Health Monitor |
|---|---|
Use Scenario: Central node aggregating temperature, humidity, motion, and touch inputs from multiple sensors while maintaining BLE/Wi-Fi coexistence. IC Role / Device Role / Timing Role: Dual-core runtime partitioning: M4 runs connectivity stack and data fusion; M0+ manages power sequencing, CAPSENSE™ scanning, and RTC-triggered wake-ups. Use Value: 7 µA Deep Sleep with 64 KB SRAM retention extends coin-cell life beyond 1 year; SMIF XIP avoids large internal flash cost. |
Use Scenario: Continuous PPG and ECG acquisition with on-device artifact filtering, motion compensation, and encrypted local storage. IC Role / Device Role / Timing Role: SAR ADC samples at 2 Msps with sequencer-driven channel switching; hardware crypto encrypts biometric data before SD write. Use Value: On-chip DC-DC enables stable 0.9 V core operation under varying battery voltage; Smart I/O performs motion-triggered wake without CPU involvement. |
| Industrial Predictive Maintenance Node | Secure Asset Tracker |
Use Scenario: Vibration and temperature monitoring on rotating equipment with edge FFT analysis and anomaly detection before cloud upload. IC Role / Device Role / Timing Role: M4 executes floating-point FFT and ML inference; TCPWMs generate precise PWM excitation signals for piezoelectric sensors. Use Value: 150 MHz M4F with FPU completes 1024-point FFT in <1.2 ms; hardware crypto signs telemetry payloads to prevent spoofing. |
Use Scenario: GPS/GNSS + cellular asset tracker operating on primary lithium battery with multi-year field life and tamper-resistant logging. IC Role / Device Role / Timing Role: M0+ handles GNSS UART parsing and watchdog supervision; backup domain RTC maintains time across power cycles. Use Value: 64-byte backup memory retains critical timestamps and event counters during main power loss; eFuse array stores unique device identity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C624AAZI-S2F44 | Same package and pinout; adds 2x PDM audio channels and I²S/TDM support; identical memory and security features | Required when voice wake-word detection or microphone array processing is needed alongside core IoT functions | Select if audio subsystem integration eliminates need for external codec or DSP |
| STM32WB55RGV6 | Single Cortex-M4 @ 64 MHz; integrated BLE 5.0 radio; 1 MB flash, 256 KB SRAM; no hardware crypto accelerator for asymmetric algorithms | Optimized for Bluetooth-centric devices with minimal analog/peripheral requirements and lower BOM cost | Choose when BLE connectivity is mandatory and dual-core deterministic latency is not required |
Compared with CY8C624AAZI-S2F44, this part omits PDM/I²S but retains identical power, security, and CAPSENSE™ capabilities-making it optimal for non-audio IoT endpoints. Versus STM32WB55RGV6, it delivers higher compute density, deeper hardware security, and superior analog integration at the cost of standalone radio functionality.
Availability
CY8C614AAZI-S2F44 is available at Aetrix Electronics and suitable for smart home sensor hubs, wearable health monitors, industrial predictive maintenance nodes, and secure asset trackers requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for CY8C614AAZI-S2F44 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 leader specializing in power systems, automotive MCUs, and secure embedded solutions-with over 20 years of PSOC™ architecture development and industrial-grade reliability validation.
This device belongs to the PSOC™ 61 MCU product line, engineered specifically for resource-constrained, battery-powered IoT endpoints demanding concurrent real-time processing, ultra-low-power operation, and end-to-end hardware-enforced security.
FAQ
Does CY8C614AAZI-S2F44 support USB device enumeration without external components?
Yes. The part integrates a full-speed USB 2.0 PHY with internal termination resistors and voltage regulators, enabling direct connection to a USB host using only a standard USB Type-A receptacle and ESD protection diodes. No external transceiver, crystal, or level-shifting circuitry is required for basic HID or CDC device classes.
Can the Cortex-M0+ core be used for custom application code?
No. According to Infineon's PSOC™ 61 documentation, the Cortex-M0+ is reserved exclusively for system-level firmware-including boot ROM, power management, security services, and peripheral offload-and is not accessible to user applications. All application code must run on the Cortex-M4F core.
What is the maximum supported clock frequency for the SMIF interface in octal mode?
In octal DDR mode, the SMIF interface achieves up to 640 Mbps effective throughput, corresponding to a 80 MHz clock with double-data-rate sampling. This is confirmed in the electrical specifications section (Table 6-77) of the official datasheet Rev. *F, and requires compatible octal SPI flash with DQS feedback support.
Is CAPSENSE™ operation guaranteed in Deep Sleep mode?
Yes. CAPSENSE™ CSD hardware operates fully in Deep Sleep mode using the 32-kHz ILO clock source, enabling continuous touch or proximity detection at ~2 µA total system current. The SmartSense™ auto-tuning algorithm runs autonomously without waking the CPU, and results are stored in retained SRAM for post-wake analysis.
CY8C614AAZI-S2F44 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 128-LQFP
- Series:
- PSOC™ 6
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 150MHz
- Connectivity:
- eMMC/SD/SDIO, FIFO, I2C, IrDA, LINbus, Microwire, QSPI, SmartCard, SPI, SSP, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, CapSense, Crypto - AES, DMA, I2S, LCD, LVD, PMC, POR, PWM, RSA, SHA, Temp Sensor, TRNG, WDT
- Number of I/O:
- 102
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 3.6V
- Data Converters:
- A/D 16x10b SAR, 16x12b Sigma-Delta; D/A 2x7/8b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C614AAZI-S2F44 FAQ
1.How can I place an order for CY8C614AAZI-S2F44 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C614AAZI-S2F44 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 CY8C614AAZI-S2F44 reliable?
The price and inventory of CY8C614AAZI-S2F44 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C614AAZI-S2F44 is usually 5 days.
3.What payment methods are accepted for CY8C614AAZI-S2F44?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C614AAZI-S2F44 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C614AAZI-S2F44?
CY8C614AAZI-S2F44 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C614AAZI-S2F44 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 CY8C614AAZI-S2F44?
For technical support, including CY8C614AAZI-S2F44 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C614AAZI-S2F44 requirements.
6.How does Aetrix verify that CY8C614AAZI-S2F44 is sourced from the original manufacturer or authorized distributors?
All CY8C614AAZI-S2F44 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 CY8C614AAZI-S2F44 meets industry standards.
7.What is the process for return or replacement of CY8C614AAZI-S2F44?
All CY8C614AAZI-S2F44 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C614AAZI-S2F44, 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 CY8C614AAZI-S2F44 part is unused and in its original packaging.
Return procedure for CY8C614AAZI-S2F44:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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