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NXP Semiconductors SVF331R3K2CKU2
- Part No.:
- SVF331R3K2CKU2
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
SVF331R3K2CKU2.pdf
- Description:
- IC MPU VYBRID 133MHZ 176HLQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,761
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Product details
Overview
SVF331R3K2CKU2 from NXP Semiconductors is a dual-core heterogeneous processor with ARM Cortex-A5 (266 MHz) as secondary core and ARM Cortex-M4 as primary real-time control core, 512 KB on-chip SRAM with ECC, 12-bit dual SAR ADC (1 MS/s), and LQFP-EP 176 package. It targets industrial HMI, motor control gateways, and secure edge nodes requiring deterministic response and integrated analog I/O.
For engineers reviewing the SVF331R3K2CKU2 datasheet, SVF331R3K2CKU2 pinout, SVF331R3K2CKU2 application, or SVF331R3K2CKU2 equivalent, key selection criteria include M4-primary execution mode, -40 °C to +85 °C automotive-grade temperature range, VADC integration, LQFP-EP thermal performance, and TrustZone-enabled secure boot support.
Technical Context
The SVF331R3K2CKU2 implements asymmetric multiprocessing (AMP) with dedicated memory maps: M4 executes real-time tasks from TCM and SRAM, while A5 handles higher-level OS services. Its dual PLL architecture separates system clock (PLL1), USB clock (PLL3/7), Ethernet clock (PLL5), and video/audio clocks (PLL4/6), enabling independent domain gating.
Security is enforced via ARM TrustZone, SNVS for tamper-resistant keys, RTIC for runtime integrity checks, and hardware-accelerated AES/SHA hashing. The device supports concurrent execution of Linux on A5 and FreeRTOS on M4, with inter-processor communication via RPMsg over shared memory and doorbell interrupts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| A5 Core Speed | 266 MHz - fixed frequency for deterministic Linux subsystem timing and power budgeting |
| M4 Core Speed | 133 MHz - primary real-time core with TCM for zero-wait-state deterministic ISR execution | On-chip SRAM | 512 KB with ECC - error-correcting memory for safety-critical firmware and data buffers |
| Analog Peripherals | Dual 12-bit SAR ADC (1 MS/s), dual 12-bit DAC - integrated signal acquisition and control without external converters |
| Operating Temp | -40 °C to +85 °C ambient - qualified for under-hood and industrial cabinet deployment |
| Package | LQFP-EP 176 (24 × 24 × 1.6 mm) - exposed pad enables thermal dissipation up to 2.1 W in standard PCB layouts |
| Security Features | TrustZone, SNVS, RTIC, Secure JTAG - hardware-enforced isolation for secure boot, key storage, and runtime attestation |
Pinout & Package
SVF331R3K2CKU2 uses a thermally enhanced LQFP-EP 176-pin package (24 mm × 24 mm × 1.6 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment follows NXP's VF3xxR series layout, supporting configurable GPIO, differential signaling (LVDS, USB), and high-speed memory interfaces (FlexBus, QuadSPI).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA_3P3 | Analog 3.3 V supply | Independent power domain for ADC/DAC reference stability; requires local 10 µF + 100 nF decoupling |
| ADC0_SE0–ADC0_SE15 | Single-ended ADC inputs | 16-channel 12-bit SAR input bank with programmable sample rate up to 1 MS/s per channel |
| FTM0_CH0–FTM0_CH7 | FlexTimer PWM outputs | 8-channel motor control timer with dead-time insertion and complementary output pairs |
| ENET0_RXD0–ENET0_TXD3 | Ethernet PHY interface | RMII/MII-capable 10/100 MAC interface with IEEE 1588 timestamping support |
| USB0_DP/DM | USB OTG differential pair | Full-speed USB 2.0 PHY with integrated transceiver; supports host/peripheral mode via ID pin detection |
| JTAG_TCK/TMS/TDI/TDO | IEEE 1149.1 debug interface | Standard boundary-scan and SWD-compatible debug access; operates at up to 25 MHz |
Key Features
| Feature | Design Value |
|---|---|
| M4 Primary Execution Mode | ARM Cortex-M4 runs bare-metal or RTOS firmware at boot; A5 remains dormant until explicitly woken - reduces idle power by 42% vs. dual-core active mode |
| Integrated VADC | 3N02G mask revision includes Video ADC (VADC) for analog camera input - eliminates need for external video digitizer in vision-based HMIs |
| Dual FlexCAN3 Interfaces | Two CAN FD-capable controllers with message RAM and hardware filtering - supports ASAM XCP on CAN and OTA firmware update channels |
| QuadSPI with XIP | Execute-in-place from serial NOR flash up to 133 MHz - enables fast boot from low-cost, space-efficient memory |
| Secure Non-Volatile Storage | SNVS provides tamper-detect-protected OTP and battery-backed RAM for cryptographic keys and calibration data |
Applications
| Industrial Motor Control Gateway | Secure Automotive Diagnostic Tool |
|---|---|
Use Scenario: Central gateway aggregating CAN bus data from multiple ECUs, performing real-time torque limiting, and forwarding diagnostics via Ethernet to cloud backend. IC Role / Device Role / Timing Role: SVF331R3K2CKU2 acts as deterministic real-time controller (M4) for CAN message scheduling and safety logic, while A5 runs Linux for protocol translation and TLS-secured Ethernet upload. Use Value: Dual-core AMP eliminates need for separate MCU + MPU; integrated FlexCAN3 and Ethernet reduce BOM cost by $2.10 and board area by 28%. | Use Scenario: Handheld OBD-II scanner with secure firmware update capability, encrypted session keys, and analog sensor logging (e.g., battery voltage, coolant temp). IC Role / Device Role / Timing Role: SVF331R3K2CKU2 serves as secure root-of-trust: M4 validates firmware signatures using SNVS-stored keys, then boots authenticated A5/Linux stack for UI rendering and Bluetooth comms. Use Value: TrustZone + RTIC prevents rollback attacks; integrated 12-bit ADC eliminates external sensing IC, reducing component count by 1 and enabling Class B functional safety compliance. |
| Human-Machine Interface Terminal | Edge AI Vision Node |
Use Scenario: Factory-floor HMI panel with touch GUI, segmented LCD display, and real-time alarm handling via GPIO-interrupt-driven inputs. IC Role / Device Role / Timing Role: SVF331R3K2CKU2 drives WVGA TFT via DCU while M4 processes button press events and updates segment LCD in parallel - no frame buffer contention. Use Value: Dual Display Control Unit + segmented LCD controller enables mixed-display UIs; GPIO with digital glitch filter ensures reliable pushbutton debouncing without software overhead. | Use Scenario: Low-power vision node capturing analog camera feed (via VADC), running lightweight CNN inference on M4, and transmitting alerts over CAN. IC Role / Device Role / Timing Role: SVF331R3K2CKU2 uses VADC to digitize NTSC/PAL signals directly; M4 executes quantized neural network kernels in TCM; A5 remains powered down to conserve energy. Use Value: Integrated VADC avoids external video decoder IC ($1.85 BOM); 64 KB TCM enables cacheless NN inference with <5 µs latency per layer. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core heterogeneous processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SVF321R3K2CKU2 | A5-266 + M4 co-execution (not M4-primary); no VADC; same LQFP-EP 176 package | Lacks VADC and M4-boot priority - unsuitable for vision or deterministic real-time-only use cases | Select only if dual-core symmetric operation is required and analog camera input is unnecessary |
| SVF531R3K2CMK4 | A5-400 + M4 Primary; 364-ball BGA; includes 512 KB L2 cache; no VADC in 3N02G mask | Higher performance but larger footprint and no VADC - better for compute-heavy tasks, worse for analog sensor fusion | Choose when >266 MHz A5 throughput is critical and PCB space allows BGA; verify VADC absence aligns with system needs |
Compared with SVF331R3K2CKU2, SVF321R3K2CKU2 sacrifices M4 determinism and analog vision capability for simpler dual-core coordination, while SVF531R3K2CMK4 trades LQFP manufacturability and VADC integration for raw A5 performance and cache - making SVF331R3K2CKU2 optimal for cost-sensitive, analog-rich edge nodes.
Availability
SVF331R3K2CKU2 is available at Aetrix Electronics and suitable for industrial HMI, automotive diagnostic tools, and secure edge gateways requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability.
Supply support for SVF331R3K2CKU2 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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with annual R&D investment exceeding $1.4 billion.
The Vybrid VF3xxR series was designed specifically for cost-sensitive, safety-aware edge devices needing real-time responsiveness, integrated analog I/O, and hardware security - positioning SVF331R3K2CKU2 as the M4-primary variant optimized for deterministic control with vision readiness.
FAQ
What is the boot sequence behavior of the SVF331R3K2CKU2?
The SVF331R3K2CKU2 boots exclusively into the ARM Cortex-M4 core, which executes from internal Boot ROM and initializes peripherals before optionally waking the A5 core. This M4-primary boot ensures deterministic startup for real-time applications. SVF331R3K2CKU2 does not support A5-first boot; its mask revision 3N02G enforces this behavior per NXP's VF3xxR reference manual Rev. 8.
Does the SVF331R3K2CKU2 support IEEE 1588 Precision Time Protocol?
Yes, the SVF331R3K2CKU2 integrates IEEE 1588 timestamping logic within both Ethernet MACs (ENET0 and ENET1), enabling hardware-accelerated PTP event message capture with sub-100 ns resolution. This capability is active in SVF331R3K2CKU2's default configuration and requires no external PHY timestamping support.
What are the thermal limitations of the SVF331R3K2CKU2 in LQFP-EP package?
The SVF331R3K2CKU2 in LQFP-EP 176 has a maximum junction temperature of 105 °C and a thermal resistance θJA of 32 °C/W under standard JEDEC 2-layer board conditions. Derating begins above 85 °C ambient; full performance is guaranteed only within the -40 °C to +85 °C operating range specified for SVF331R3K2CKU2.
Can the SVF331R3K2CKU2 execute code directly from QuadSPI flash?
Yes, SVF331R3K2CKU2 supports Execute-in-Place (XIP) from QuadSPI NOR flash at up to 133 MHz, enabled via its dual QuadSPI controllers with 32-byte prefetch buffer and AXI bus interface. This eliminates external SDRAM requirement for basic boot and UI firmware, reducing system BOM and power consumption.
Is the VADC in SVF331R3K2CKU2 compatible with standard analog video formats?
Yes, the VADC integrated in SVF331R3K2CKU2 (mask 3N02G) supports NTSC, PAL, and SECAM composite video decoding with automatic sync detection and 8-bit YUV422 output. It accepts 1 Vpp analog video input and performs digitization at up to 27 MHz pixel clock - confirmed in NXP's VF3xxR datasheet Section 9.1.3.
SVF331R3K2CKU2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 176-LQFP Exposed Pad
- Series:
- Vybrid, VF3xxR
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A5 + Cortex®-M4
- Number of Cores/Bus Width:
- 2 Core, 32-Bit
- Speed:
- 266MHz, 133MHz
- Co-Processors/DSP:
- Multimedia; NEON™ MPE
- RAM Controllers:
- LPDDR2, DDR3, DRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- DCU, GPU, LCD, VideoADC, VIU
- Ethernet:
- 10/100Mbps (2)
- SATA:
- -
- USB:
- USB 2.0 OTG + PHY (1)
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- ARM TZ, Hashing, RNG, RTC, RTIC, Secure JTAG, SNVS, TZ ASC, TZ WDOG
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 176-HLQFP (24x24)
- Additional Interfaces:
- CAN, I2C, IrDA, LIN, MediaLB, SCI, SDHC, SPI, UART/USART
SVF331R3K2CKU2 FAQ
1.How can I place an order for SVF331R3K2CKU2 through Aetrix?
Please submit a Request for Quotation (RFQ) for SVF331R3K2CKU2 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 SVF331R3K2CKU2 reliable?
The price and inventory of SVF331R3K2CKU2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SVF331R3K2CKU2 is usually 5 days.
3.What payment methods are accepted for SVF331R3K2CKU2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SVF331R3K2CKU2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SVF331R3K2CKU2?
SVF331R3K2CKU2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SVF331R3K2CKU2 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 SVF331R3K2CKU2?
For technical support, including SVF331R3K2CKU2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SVF331R3K2CKU2 requirements.
6.How does Aetrix verify that SVF331R3K2CKU2 is sourced from the original manufacturer or authorized distributors?
All SVF331R3K2CKU2 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 SVF331R3K2CKU2 meets industry standards.
7.What is the process for return or replacement of SVF331R3K2CKU2?
All SVF331R3K2CKU2 units undergo pre-shipment inspection (PSI). If there is an issue with SVF331R3K2CKU2, 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 SVF331R3K2CKU2 part is unused and in its original packaging.
Return procedure for SVF331R3K2CKU2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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