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Infineon Technologies CYS0644ABZI-S2D44T
- Part No.:
- CYS0644ABZI-S2D44T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 124-VFBGA
- Datasheet:
-
CYS0644ABZI-S2D44T.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 124VFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,926
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Product details
Overview
CYS0644ABZI-S2D44T from Infineon is a PSOC™ 64 "Standard Secure" MCU featuring dual Arm® Cortex®-M4F (150 MHz) and Cortex®-M0+ (100 MHz) CPUs, 1856-KB flash, 944-KB SRAM, and hardware-based root-of-trust for AWS-connected secure edge devices in industrial IoT gateways.
For engineers reviewing the CYS0644ABZI-S2D44T datasheet, CYS0644ABZI-S2D44T pinout, CYS0644ABZI-S2D44T application, or CYS0644ABZI-S2D44T equivalent, this part delivers PSA Level-2 certified secure boot, Amazon FreeRTOS integration, quad-SPI XIP with on-the-fly encryption, and low-power Deep Sleep (7 µA with 64-KB SRAM retention).
Technical Context
The device implements a hardened security architecture with immutable boot code, ECC-based image signature validation, and a provisioned device ID/secret key for attestation. Its dual-core subsystem isolates secure services (M0+) from application logic (M4F), enforced by memory protection units and TrustZone-like partitioning.
It integrates a cryptography accelerator supporting AES, SHA, ECC, and TRNG; a QSPI/SMIF interface enabling up to 640 Mbps octal-mode XIP with 4-KB cache; and a programmable analog subsystem including a 12-bit 2-Msps SAR ADC with 16-channel sequencer and hardware averaging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual-core: 150-MHz Cortex-M4F + 100-MHz Cortex-M0+, with MPU and separate flash/SRAM partitions |
| Memory | 1856-KB application flash (RWW), 32-KB AUXflash, 32-KB SFlash, 944-KB SRAM across three retention-controlled blocks |
| Security | PSA Certified Level-2, TF-M SPE binary pre-integrated, immutable boot with flash hash + Cypress public key verification |
| Low-Power Modes | Six modes; Deep Sleep draws 7 µA with 64-KB SRAM retention and active comparators/ILO |
| QSPI/SMIF | Supports XIP with on-the-fly AES-128 encryption/decryption, 4-KB cache, up to 640 Mbps octal interface |
| Analog Peripherals | 12-bit 2-Msps SAR ADC (16-channel sequencer, hardware averaging), two deep-sleep-capable comparators, integrated temp sensor |
| Package | 124-ball BGA (6 × 6 mm, 0.4-mm pitch), RoHS-compliant, moisture sensitivity level 3 |
Pinout & Package
124-ball BGA package (6 × 6 mm, 0.4-mm pitch) with exposed thermal pad; pinout defined per Infineon datasheet Rev. *K, Table 4–1 (pages 38–47), including dedicated VDDIO/VSSIO banks, SWD/JTAG debug pins (TCK/TMS/TDO/TDI/nTRST), USB D+/D−, QSPI I/O (IO0–IO7), and GPIO with Smart I/O capability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply banks | Independent 1.7–3.6-V supplies per bank; enable mixed-voltage interfacing and isolation |
| P0[0]–P15[7] | Programmable GPIO | Up to 100 pins; configurable drive strength/slew rate; six OVT-capable; two Smart I/O ports (16 pins) |
| SWDCLK/SWDIO/nRESET | Debug & reset interface | SWJ-DP compliant; supports secure debug lock/unlock policies via Infineon bootloader |
| QSPI_IO0–QSPI_IO7 | Quad/octal SPI interface | Support XIP, encryption, and high-speed external flash access up to 640 Mbps |
| USB_DP/USB_DM | USB Full-Speed PHY | Integrated transceiver; no external resistors required; supports CDC/HID class enumeration |
Key Features
| Feature | Design Value |
|---|---|
| PSA Level-2 Certification | Pre-certified secure execution environment with TF-M SPE binary and Amazon FreeRTOS API-level integration for TLS/firmware update |
| Immutable Secure Boot | ECC-signed image validation chain; supports multiple signature schemes per image type; enforces firmware integrity before first instruction fetch |
| Low-Power Deep Sleep | 7 µA with 64-KB SRAM retention, active ILO, comparators, and RTC-enables battery-powered edge nodes with multi-year runtime |
| On-the-Fly QSPI Encryption | AES-128 decryption during XIP execution; eliminates need for RAM-based firmware decompression and reduces attack surface |
| Smart I/O in Deep Sleep | Two 16-pin Smart I/O blocks perform Boolean logic (AND/OR/XOR) on GPIO states without waking CPU-ideal for wake-on-pattern detection |
Applications
| Industrial IoT Gateway | Secure Wearable Health Monitor |
|---|---|
Use Scenario: Edge gateway aggregating Modbus RTU, BLE, and LoRaWAN sensor data before TLS-encrypted upload to AWS IoT Core. IC Role / Device Role / Timing Role: Dual-core orchestrator: M4F runs protocol stacks and AWS SDK; M0+ hosts TF-M SPE and handles crypto offload and secure boot verification. Use Value: PSA Level-2 compliance satisfies OEM security requirements; 7 µA Deep Sleep extends battery life between gateway firmware updates. | Use Scenario: Clinical-grade wearable continuously monitoring ECG, SpO₂, and motion using capacitive touch UI and encrypted local storage. IC Role / Device Role / Timing Role: Central controller with CAPSENSE™ CSD for wet-finger-tolerant UI, SAR ADC for analog front-end digitization, and TRNG for session key generation. Use Value: On-chip AES acceleration enables real-time ECG waveform encryption prior to Bluetooth LE transmission; 64-byte backup domain retains RTC and calibration data. |
| Smart Building Access Controller | Connected Energy Meter |
Use Scenario: Tamper-resistant door controller validating NFC credentials, driving solenoid locks, and logging events to encrypted flash with time-stamping. IC Role / Device Role / Timing Role: Root-of-trust anchor: generates unique device secret during provisioning; signs audit logs with ECDSA; verifies signed firmware updates over OTA. Use Value: Immutable boot prevents persistent malware injection; eFuse array stores provisioning keys irreversibly-meets UL 294 physical security mandates. | Use Scenario: Revenue-grade meter with isolated current/voltage sensing, anti-tampering detection, and secure remote firmware updates via cellular backhaul. IC Role / Device Role / Timing Role: High-accuracy timing subsystem: FLL/PLL stabilizes 150-MHz M4F clock; 32-kHz ILO maintains RTC in Deep Sleep; ADC sequencer captures synchronized samples. Use Value: 12-bit SAR ADC with hardware averaging achieves < 0.1% THD+N for Class 0.5 metering; DC-DC converter maintains efficiency across 1.7–3.6-V input range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESP32-WROVER-B | No PSA certification; uses software-based secure boot; lacks hardware crypto accelerator for ECC/SHA; no TF-M SPE integration | Suitable for cost-sensitive Wi-Fi/BLE endpoints where cloud vendor lock-in is acceptable; not approved for regulated industrial security mandates | Select only if AWS IoT Core integration suffices without PSA Level-2 audit trail or hardware-enforced trust boundary |
| NXP LPC55S69 | Single Cortex-M33 core (150 MHz); includes SE050 companion secure element; lacks integrated QSPI XIP encryption; smaller SRAM (320 KB) | Better for CAN FD automotive body control; weaker Deep Sleep (15 µA) and no Smart I/O; requires external secure element for full PSA Level-2 | Prefer when CAN FD or AEC-Q100 qualification is mandatory; avoid when unified secure MCU with embedded RoT is required |
Compared with ESP32-WROVER-B and LPC55S69, CYS0644ABZI-S2D44T uniquely combines PSA Level-2 certification, on-die secure boot enforcement, QSPI XIP encryption, and dual-core isolation-reducing BOM count and simplifying security validation for AWS-connected industrial edge devices.
Availability
CYS0644ABZI-S2D44T is available at Aetrix Electronics and suitable for industrial IoT gateways, secure wearables, smart building access controllers, and connected energy meters requiring stable component supply and long-term lifecycle support.
Supply support for CYS0644ABZI-S2D44T 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 management, automotive MCUs, and secure microcontrollers with global manufacturing and automotive-grade quality systems.
CYS0644ABZI-S2D44T belongs to the PSOC™ 64 product line, engineered specifically for AWS-connected secure edge devices requiring PSA-certified trusted execution, hardware root-of-trust, and seamless FreeRTOS integration.
FAQ
What security certifications does CYS0644ABZI-S2D44T hold?
CYS0644ABZI-S2D44T is PSA Certified Level-2 compliant, with pre-integrated Trusted Firmware-M (TF-M) Secure Processing Environment and Arm Platform Security Architecture validation. It supports immutable boot, ECC-based image signing, and hardware-enforced chain-of-trust-verified by independent labs per PSA Functional API and Threat Model requirements.
Does this MCU support execute-in-place from external flash with encryption?
Yes. The QSPI/SMIF interface enables Execute-In-Place (XIP) from external quad/octal SPI flash with on-the-fly AES-128 decryption. A dedicated 4-KB cache optimizes performance, and encryption keys are managed within the secure enclave-no plaintext firmware ever resides in external memory.
How many GPIOs support Smart I/O functionality in Deep Sleep mode?
Two Smart I/O ports-totaling 16 GPIOs-retain Boolean logic capability (AND/OR/XOR) during Deep Sleep mode without waking the CPU. These pins can detect complex input patterns (e.g., button sequences or sensor thresholds) and trigger wake events, reducing system power by eliminating polling overhead.
What is the minimum supply voltage for Deep Sleep operation with full SRAM retention?
Deep Sleep mode with full 64-KB SRAM retention operates down to 1.7 V supply voltage. The on-chip DC-DC buck converter maintains regulation with < 1 µA quiescent current, and the 32-kHz ILO oscillator remains active-enabling precise RTC operation and wake-on-comparator events across the entire 1.7–3.6-V operating range.
CYS0644ABZI-S2D44T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 124-VFBGA
- Series:
- PSOC™ 64
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+, ARM® Cortex®-M4F
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 100MHz, 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:
- 100
- 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:
CYS0644ABZI-S2D44T FAQ
1.How can I place an order for CYS0644ABZI-S2D44T through Aetrix?
Please submit a Request for Quotation (RFQ) for CYS0644ABZI-S2D44T 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 CYS0644ABZI-S2D44T reliable?
The price and inventory of CYS0644ABZI-S2D44T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CYS0644ABZI-S2D44T is usually 5 days.
3.What payment methods are accepted for CYS0644ABZI-S2D44T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CYS0644ABZI-S2D44T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CYS0644ABZI-S2D44T?
CYS0644ABZI-S2D44T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CYS0644ABZI-S2D44T 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 CYS0644ABZI-S2D44T?
For technical support, including CYS0644ABZI-S2D44T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CYS0644ABZI-S2D44T requirements.
6.How does Aetrix verify that CYS0644ABZI-S2D44T is sourced from the original manufacturer or authorized distributors?
All CYS0644ABZI-S2D44T 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 CYS0644ABZI-S2D44T meets industry standards.
7.What is the process for return or replacement of CYS0644ABZI-S2D44T?
All CYS0644ABZI-S2D44T units undergo pre-shipment inspection (PSI). If there is an issue with CYS0644ABZI-S2D44T, 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 CYS0644ABZI-S2D44T part is unused and in its original packaging.
Return procedure for CYS0644ABZI-S2D44T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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