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NXP Semiconductors SPC5646BCF0VLU8R
- Part No.:
- SPC5646BCF0VLU8R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC5646BCF0VLU8R.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,068
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Product details
Overview
SPC5646BCF0VLU8R from NXP Semiconductors is a dual-core automotive microcontroller featuring an e200z4d CPU (up to 120 MHz) and e200z0h CPU (up to 80 MHz), 3 MB on-chip flash, 256 KB SRAM, and integrated FlexCAN, DSPI, LINFlexD, FEC Ethernet, and Cryptographic Services Engine (CSE). It targets safety-critical powertrain and chassis control units requiring ASIL-B compliance and real-time deterministic execution.
For engineers reviewing the SPC5646BCF0VLU8R datasheet, SPC5646BCF0VLU8R pinout, SPC5646BCF0VLU8R application, or SPC5646BCF0VLU8R equivalent, this page delivers verified technical context, package-specific pin mapping, functional alternatives with documented differences, and supply-chain support for production ramp-up in automotive ECU designs.
Technical Context
The SPC5646BCF0VLU8R implements a dual-core Power Architecture system with crossbar switch architecture enabling concurrent access to flash, SRAM, and peripherals by both e200z4d and e200z0h cores. Its Dual-core Interrupt Controller (INTC) routes interrupt sources selectively to either core or both, supporting asymmetric multiprocessing and safety partitioning.
It integrates a Fast Ethernet Controller (FEC) compliant with IEEE 802.3 for 10/100 Mbps operation, six FlexCAN modules (64 message buffers each), and a Cross Trigger Unit (CTU) synchronizing ADC conversions with eMIOS timer events - critical for precise sensor sampling in closed-loop engine control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | e200z4d (120 MHz) + e200z0h (80 MHz); enables real-time task separation and ASIL decomposition |
| Flash Memory | 3 MB code flash + 64 KB data flash; supports EEPROM emulation and fast page-buffered access |
| SRAM | 256 KB on-chip SRAM; includes MPU-protected regions for safety-critical data isolation |
| ADC | One 10-bit (27/33 ch) + one 12-bit (5/10 ch) ADC; CTU-synchronized sampling for deterministic timing |
| Communication | 6 × FlexCAN, 8 × DSPI, 10 × LINFlexD, 1 × I²C, 1 × FEC Ethernet; meets automotive network redundancy requirements |
| Security | Cryptographic Services Engine (CSE); hardware-accelerated AES, SHA, RNG for secure boot and firmware updates |
| Package | 208-pin LQFP (28 mm × 28 mm, 0.5 mm pitch); RoHS-compliant, AEC-Q100 Grade 1 qualified |
Pinout & Package
SPC5646BCF0VLU8R is packaged in a 208-pin LQFP (28 mm × 28 mm, 0.5 mm lead pitch), optimized for automotive PCB thermal management and mechanical robustness. Pin assignments follow NXP's standardized SIUL-based port mapping with configurable alternate functions per pin.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | System reset input | Bidirectional Schmitt-trigger with noise filter; weak pull-up enabled after PHASE2; initiates full device reset sequence |
| XTAL / EXTAL | Crystal oscillator interface | XTAL: analog output of oscillator amplifier; EXTAL: analog input; supports 4–40 MHz external crystal for high-accuracy system clock |
| VDD_HV_A / VSS_HV | Main I/O power domain | 3.3 V ±10% supply for general-purpose I/O banks; decoupling required per NXP layout guidelines |
| VDD_LV / VSS_LV | Core logic power domain | 1.2 V ±5% supply for CPU, memory, and internal peripherals; regulated via on-chip VREG |
| PD[0]–PD[15] | General-purpose I/O port D | 16-bit bidirectional port with interrupt capability; supports LINFlexD, DSPI, and GPIO alternate functions |
| PE[0]–PE[15] | General-purpose I/O port E | 16-bit port with analog input capability on select pins; used for ADC inputs, CAN transceiver interfaces, and wake-up detection |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | e200z4d and e200z0h cores operate at independent frequencies with shared memory coherency managed via crossbar arbitration |
| Hardware safety mechanisms | 16-region MPU, Safety Enhanced SWT, STCU-controlled MBIST, and dual-core lockstep monitoring support ASIL-B implementation |
| Real-time peripheral synchronization | CTU links eMIOS timers to ADC conversions, enabling sub-microsecond jitter-free sampling for engine knock detection |
| Automotive network integration | Six independent FlexCAN controllers with CAN Sampler allow low-power ID capture without waking CPU - reduces ECU sleep current |
| Secure firmware lifecycle | CSE provides hardware-accelerated cryptographic primitives and key management for secure boot, OTA update authentication, and debug lockdown |
Applications
| Powertrain Control Unit (PCU) | Advanced Chassis Controller |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and turbocharger actuation in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary host controller executing AUTOSAR BSW and application SW with deterministic <10 µs interrupt latency. Use Value: Dual-core architecture isolates safety-critical torque calculation (e200z4d) from diagnostics (e200z0h), meeting ISO 26262 ASIL-B decomposition requirements. | Use Scenario: Active suspension control, electronic stability program (ESP), and brake-by-wire coordination. IC Role / Device Role / Timing Role: High-integrity real-time executor interfacing with 12-bit ADCs for sensor fusion and FlexCAN for distributed actuator communication. Use Value: CTU-synchronized ADC sampling ensures phase-aligned wheel speed and acceleration data across multiple axes, improving control loop stability. |
| Body Control Module (BCM) Gateway | Vehicle Domain Controller |
Use Scenario: Centralized lighting, HVAC, door lock, and window control with LIN and CAN network bridging. IC Role / Device Role / Timing Role: Network gateway managing protocol translation between LINFlexD (body nodes) and FlexCAN (powertrain/chassis). Use Value: 10 LINFlexD modules and 6 FlexCAN controllers eliminate external bridge ICs, reducing BOM cost and board space. | Use Scenario: Consolidated vehicle control integrating ADAS sensor preprocessing, infotainment comms, and over-the-air update handling. IC Role / Device Role / Timing Role: Secure domain controller leveraging CSE for firmware signature verification and FEC for high-bandwidth OTA downloads. Use Value: On-chip 3 MB flash and CSE enable signed, encrypted firmware images with rollback protection - critical for regulatory compliance (UNECE R155). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5646BK0VLU8R | Same die, 176-pin LQFP package; 192 KB SRAM, 2 MB flash; no FEC Ethernet | Lacks Fast Ethernet; suitable for non-connected ECUs where cost and footprint are prioritized over OTA capability | Select when Ethernet connectivity is unnecessary and PCB area constraints favor smaller LQFP |
| SPC564A70L5CEFBR | Single-core e200z7 (160 MHz), 2 MB flash, 256 KB SRAM, no FlexRay or FEC; AEC-Q100 Grade 0 | Higher CPU frequency but lacks dual-core safety partitioning and Ethernet; rated for extended temperature range (−40°C to +150°C) | Select for high-performance, single-threaded applications in extreme under-hood environments without ASIL-B decomposition needs |
Compared with MPC5646BK0VLU8R, SPC5646BCF0VLU8R adds FEC Ethernet and increases flash/SRAM for connected ECU functionality; compared with SPC564A70L5CEFBR, it trades peak CPU speed for dual-core safety architecture and automotive network breadth - making it optimal for ASIL-B-compliant domain controllers requiring CAN/FlexRay/Ethernet convergence.
Availability
SPC5646BCF0VLU8R is available at Aetrix Electronics and suitable for automotive powertrain control, chassis electronics, and domain controller applications requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 qualification.
Supply support for SPC5646BCF0VLU8R 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in Power Architecture and functional safety.
The SPC5646BCF0VLU8R belongs to the MPC5646C family - designed specifically for next-generation automotive ECUs demanding ASIL-B compliance, multi-network integration (CAN/FlexRay/Ethernet), and hardware-enforced security through CSE.
FAQ
What is the maximum operating frequency of the SPC5646BCF0VLU8R's primary CPU core?
The SPC5646BCF0VLU8R features an e200z4d core rated for up to 120 MHz operation under AEC-Q100 Grade 1 conditions (−40°C to +125°C ambient). This frequency is achievable with proper voltage regulation (VDD_LV = 1.2 V ±5%) and thermal management. The secondary e200z0h core operates up to 80 MHz, or at half-system frequency when the e200z4d runs above 80 MHz - a configuration managed via the MC_CGM clock generation module.
Does the SPC5646BCF0VLU8R support hardware-based cryptographic operations?
Yes, the SPC5646BCF0VLU8R integrates a dedicated Cryptographic Services Engine (CSE) that provides hardware-accelerated AES-128/256, SHA-256, and true random number generation. This enables secure boot validation, firmware image decryption, and OTA update authentication without burdening the main CPU - a requirement for UNECE R155 compliance. The CSE is accessible via memory-mapped registers and supports key provisioning through secure JTAG or Nexus interfaces.
What package type and pin count does the SPC5646BCF0VLU8R use?
The SPC5646BCF0VLU8R uses a 208-pin LQFP package measuring 28 mm × 28 mm with 0.5 mm lead pitch. This package variant supports the full peripheral set including FEC Ethernet, all six FlexCAN modules, and 177 GPIOs - distinguishing it from the 176-pin LQFP and 256-ball MAPBGA variants in the MPC5646C family. Mechanical drawings and land patterns are provided in NXP document MPC5646C Rev. 7, Section 5.1.2.
How many CAN controllers does the SPC5646BCF0VLU8R include, and what is their buffer capacity?
The SPC5646BCF0VLU8R integrates six independent FlexCAN modules, each with 64 message buffers. These controllers support CAN 2.0A/B protocols and include a CAN Sampler feature that captures message IDs during low-power modes without CPU intervention - reducing wake-up latency and system current. All six modules are accessible in the 208-pin LQFP package, with dedicated TX/RX pins assigned across PORTB, PORTD, and PORTE.
Is the SPC5646BCF0VLU8R qualified for automotive applications, and what is its AEC-Q100 grade?
Yes, the SPC5646BCF0VLU8R is AEC-Q100 qualified for automotive use and rated Grade 1 (−40°C to +125°C junction temperature). It meets ISO 26262 requirements for ASIL-B systems through integrated safety mechanisms including a 16-region MPU, Safety Enhanced SWT, STCU-managed MBIST, and dual-core interrupt routing. Functional safety documentation, FMEDA reports, and safety manuals are available from NXP under NDA for certified automotive customers.
SPC5646BCF0VLU8R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 176-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4d
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, LINbus, SCI, SPI
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 147
- Program Memory Size:
- 3MB (3M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 27x10b, 5x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5646BCF0VLU8R FAQ
1.How can I place an order for SPC5646BCF0VLU8R through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5646BCF0VLU8R 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 SPC5646BCF0VLU8R reliable?
The price and inventory of SPC5646BCF0VLU8R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5646BCF0VLU8R is usually 5 days.
3.What payment methods are accepted for SPC5646BCF0VLU8R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5646BCF0VLU8R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5646BCF0VLU8R?
SPC5646BCF0VLU8R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5646BCF0VLU8R 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 SPC5646BCF0VLU8R?
For technical support, including SPC5646BCF0VLU8R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5646BCF0VLU8R requirements.
6.How does Aetrix verify that SPC5646BCF0VLU8R is sourced from the original manufacturer or authorized distributors?
All SPC5646BCF0VLU8R 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 SPC5646BCF0VLU8R meets industry standards.
7.What is the process for return or replacement of SPC5646BCF0VLU8R?
All SPC5646BCF0VLU8R units undergo pre-shipment inspection (PSI). If there is an issue with SPC5646BCF0VLU8R, 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 SPC5646BCF0VLU8R part is unused and in its original packaging.
Return procedure for SPC5646BCF0VLU8R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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