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NXP Semiconductors SPC5646BCF0VLU8
- Part No.:
- SPC5646BCF0VLU8
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC5646BCF0VLU8.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,552
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Product details
Overview
SPC5646BCF0VLU8 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, 64 KB data flash, FlexCAN, FlexRay, Fast Ethernet, and cryptographic services. It targets safety-critical engine control units and ADAS domain controllers requiring ASIL-B compliance and real-time deterministic execution.
For engineers reviewing the SPC5646BCF0VLU8 datasheet, SPC5646BCF0VLU8 pinout, SPC5646BCF0VLU8 application, or SPC5646BCF0VLU8 equivalent, key selection considerations include dual-core interrupt routing, 256-ball MAPBGA-17×17 mm package with 199 GPIOs, 12-bit + 10-bit ADC synchronization via CTU, and CSE-based secure boot support - all validated for automotive powertrain and chassis systems.
Technical Context
The SPC5646BCF0VLU8 implements a crossbar switch architecture enabling concurrent access to flash, SRAM, and peripherals by both e200z4d and e200z0h cores. Its Dual-core Interrupt Controller (INTC) supports configurable routing of 64+ interrupt sources to either core or both, with priority-based preemption and Nexus3+ debug visibility.
It integrates a Safety Enhanced Software Watchdog Timer (SWT), Memory Protection Unit (16-region MPU), and Boot Assist Module (BAM) with VLE code execution. The FMPLL generates system clocks up to 120 MHz, while dual oscillators (4–40 MHz crystal + 128 kHz RC) feed RTC and autonomous wake-up with 1 ms resolution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | e200z4d (120 MHz) + e200z0h (80 MHz); enables asymmetric multiprocessing for real-time control + background task handling |
| Flash Memory | 3 MB code flash + 64 KB data flash; supports EEPROM emulation and flash page buffers for <50 µs erase/write latency |
| SRAM | 256 KB on-chip SRAM; split into two 128 KB banks for concurrent core access without arbitration delay |
| ADC | One 12-bit (10 ch) + one 10-bit (27 ch) ADC; synchronized via Cross Trigger Unit (CTU) for phase-aligned sampling in motor control |
| Communication | 6 × FlexCAN (64 MB each), 1 × FlexRay (128 MB), 1 × FEC (10/100 Mbps), 8 × DSPI, 10 × LINFlexD, 1 × I²C |
| Package | 256-ball MAPBGA, 17 mm × 17 mm, 1.0 mm pitch; supports 199 configurable GPIOs with analog input capability on 29 dedicated pins |
| Security | Cryptographic Services Engine (CSE); accelerates AES-128/256, SHA-256, RSA-2048, and supports secure boot with signature verification |
Pinout & Package
SPC5646BCF0VLU8 is packaged in a 256-ball MAPBGA (17 mm × 17 mm, 1.0 mm pitch), optimized for automotive ECU thermal and mechanical reliability. Pin functions follow NXP's SIUL architecture with multiplexed port groups (PA–PK, PL, PM) and dedicated analog (A), fast (F), medium (M), slow (S), and input-only (I) pad types.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Asynchronous bidirectional reset input | Schmitt-triggered with internal weak pull-up; initiates cold start or recovery after fault detection |
| XTAL / EXTAL | Clock oscillator interface | Connects to 4–40 MHz external crystal; XTAL is output, EXTAL is input - bypass mode requires grounding EXTAL |
| VDD_HV_A / VDD_HV_B | High-voltage I/O supply domains | VDD_HV_A powers most I/O banks; VDD_HV_B supplies specific pins including PA[11:7], PF[15:14], PG[13:0], PH[3:0] - enables independent voltage scaling |
| VDD_LV / VSS_LV | Core logic supply | 1.2 V core domain; decoupling required per NXP layout guidelines to maintain <±50 mV ripple under 120 MHz operation |
| VDD_HV_ADC0 / VDD_HV_ADC1 | Analog reference supplies | Separate 5 V domains for ADC0 and ADC1; reduce coupling noise between analog measurement channels and digital switching |
| PE[12]–PE[15] | FlexCAN channel 0 interface | Dedicated CANH/CANL differential pair plus TX/RX control signals; routed to internal FlexCAN0 module with 64 message buffers |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | e200z4d handles time-critical tasks (e.g., PWM generation, CAN Tx scheduling) while e200z0h runs diagnostics, communication stacks, or firmware updates - no shared cache coherency overhead |
| Hardware safety mechanisms | MPU (16 regions), SWT (keyed), ECC on SRAM/flash, STCU-controlled MBIST, and dual-clock domain monitoring via CMU - meets ISO 26262 ASIL-B requirements |
| Real-time peripheral synchronization | CTU links eMIOS timer events to ADC conversions, enabling precise rotor position sampling in PMSM motor control without CPU intervention |
| Secure boot & runtime protection | CSE validates signed firmware images at boot and provides hardware-accelerated crypto for secure OTA updates and key management in telematics gateways |
| Automotive-grade I/O flexibility | 199 GPIOs with programmable slew rate, drive strength, and pull-up/down; 29 pins support analog inputs with dedicated ANP/ANS channels - reduces external signal conditioning |
Applications
| Engine Control Unit (ECU) | Advanced Driver Assistance Systems (ADAS) Domain Controller |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and exhaust gas recirculation control in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary controller executing AUTOSAR-compliant BSW and application SW with sub-10 µs jitter on critical PWM outputs. Use Value: Dual-core architecture isolates safety-critical engine timing from non-safety diagnostics, enabling ASIL-B decomposition per ISO 26262 Part 6. | Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic inputs for adaptive cruise control and automatic emergency braking. IC Role / Device Role / Timing Role: Central processing node managing FlexRay backbone communication, CAN FD sensor networks, and Ethernet-based vision data streaming. Use Value: Integrated FEC and 6 FlexCAN modules eliminate external PHYs and CAN transceivers, reducing BOM cost and PCB area by >15% vs. discrete solutions. |
| Electric Power Steering (EPS) Controller | Vehicle-to-Everything (V2X) Telematics Gateway |
Use Scenario: High-bandwidth torque assist calculation with torque sensor feedback, motor current sensing, and fail-safe torque limiting. IC Role / Device Role / Timing Role: Real-time motor control unit using eMIOS PWM outputs synchronized with 12-bit ADC sampling via CTU for <1 µs phase alignment. Use Value: On-chip 256 KB SRAM and 3 MB flash enable full motor control algorithm + safety monitor in single chip - no external memory required. | Use Scenario: Secure cellular-to-CAN/Ethernet gateway supporting OTA firmware updates, remote diagnostics, and encrypted V2X message signing. IC Role / Device Role / Timing Role: Cryptographic anchor providing AES-256 encryption, SHA-256 hashing, and RSA-2048 key exchange for secure cloud connectivity. Use Value: CSE offloads crypto operations from main cores, preserving >90% CPU bandwidth for protocol stack processing and reducing update latency by 40%. |
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 |
|---|---|---|---|
| MPC5646CK0VLU8 | Same die, higher temperature grade (–40°C to +125°C vs. –40°C to +105°C); identical pinout and feature set | Required for under-hood applications exceeding 105°C ambient, e.g., transmission control modules | Select MPC5646CK0VLU8 when extended junction temperature rating is mandatory; otherwise SPC5646BCF0VLU8 suffices for cabin-located ECUs |
| SPC574SNC1AKLQ | Single e200z4 core (180 MHz), 2 MB flash, 384 KB SRAM, no FlexRay, no FEC; 176-pin LQFP package | Targeted at cost-sensitive body control modules where Ethernet/FlexRay are unnecessary | Choose SPC574SNC1AKLQ only if dual-core, FlexRay, or Ethernet are not required - SPC5646BCF0VLU8 offers superior integration for domain controllers |
Compared with MPC5646CK0VLU8, SPC5646BCF0VLU8 trades 20°C junction margin for lower cost and qualification cycle time; versus SPC574SNC1AKLQ, it delivers dual-core determinism, FlexRay timing precision, and Ethernet MAC integration - critical for zonal architecture scalability.
Availability
SPC5646BCF0VLU8 is available at Aetrix Electronics and suitable for automotive powertrain control, ADAS domain management, electric power steering, and V2X telematics gateways requiring stable component supply across multi-year vehicle production cycles.
Supply support for SPC5646BCF0VLU8 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 deep expertise in Power Architecture and functional safety.
The SPC5646BCF0VLU8 belongs to NXP's SPC56 family of automotive MCUs, designed specifically for ASIL-B compliant powertrain, chassis, and ADAS applications demanding high computational throughput, hardware safety features, and integrated communication interfaces.
FAQ
What is the maximum operating frequency of the SPC5646BCF0VLU8 e200z4d core?
The SPC5646BCF0VLU8 e200z4d core operates at up to 120 MHz, validated across the full industrial temperature range (–40°C to +105°C). This frequency is achieved using the FMPLL with a 4–40 MHz external crystal or 16 MHz internal RC oscillator as reference. The e200z0h core runs at up to 80 MHz, or at half-system frequency when the e200z4d is clocked above 80 MHz - a configuration managed by the MC_CGM clock generation module.
Does the SPC5646BCF0VLU8 support AUTOSAR-compliant software stacks?
Yes, the SPC5646BCF0VLU8 is fully compatible with AUTOSAR 4.x standards. Its dual-core architecture, 16-region MPU, Nexus3+ debug interface, and standardized peripheral drivers (e.g., MCAL for CAN, LIN, SPI, ADC) are certified for use with leading AUTOSAR toolchains including Vector DaVinci and ETAS ISOLAR. The SPC5646BCF0VLU8 also supports BSW modules for memory abstraction, OS scheduling, and communication stacks out-of-the-box.
How many CAN interfaces does the SPC5646BCF0VLU8 integrate, and what is their buffer capacity?
The SPC5646BCF0VLU8 integrates six FlexCAN modules, each with 64 message buffers, supporting CAN 2.0A/B protocols and bit rates up to 1 Mbps. Each module includes a CAN Sampler for low-power ID capture and supports loopback, self-test, and error confinement modes. All six CAN controllers are accessible in the 256-ball MAPBGA package, with dedicated pins assigned per channel to minimize crosstalk and ensure signal integrity in noisy automotive environments.
What is the role of the Cryptographic Services Engine (CSE) in the SPC5646BCF0VLU8?
The Cryptographic Services Engine (CSE) in the SPC5646BCF0VLU8 is a dedicated hardware accelerator that performs AES-128/256 encryption/decryption, SHA-256 hashing, and RSA-2048 key generation/signing. It enables secure boot by verifying signed firmware images before execution and supports runtime secure communication for OTA updates, V2X message signing, and key provisioning - all without consuming e200z4d or e200z0h CPU cycles.
Is the SPC5646BCF0VLU8 pin-compatible with other members of the MPC5646C family?
Yes, the SPC5646BCF0VLU8 shares identical pinout and ball map with all MPC5646C variants in the 256-ball MAPBGA package, including MPC5646CK0VLU8 and MPC5646CM0VLU8. This allows direct substitution within the same footprint for temperature grade or flash configuration changes. However, pin compatibility does not extend to LQFP packages (176/208-pin), which have different signal allocations and I/O counts.
SPC5646BCF0VLU8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 176-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tray
- 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:
SPC5646BCF0VLU8 FAQ
1.How can I place an order for SPC5646BCF0VLU8 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5646BCF0VLU8 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 SPC5646BCF0VLU8 reliable?
The price and inventory of SPC5646BCF0VLU8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5646BCF0VLU8 is usually 5 days.
3.What payment methods are accepted for SPC5646BCF0VLU8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5646BCF0VLU8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5646BCF0VLU8?
SPC5646BCF0VLU8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5646BCF0VLU8 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 SPC5646BCF0VLU8?
For technical support, including SPC5646BCF0VLU8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5646BCF0VLU8 requirements.
6.How does Aetrix verify that SPC5646BCF0VLU8 is sourced from the original manufacturer or authorized distributors?
All SPC5646BCF0VLU8 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 SPC5646BCF0VLU8 meets industry standards.
7.What is the process for return or replacement of SPC5646BCF0VLU8?
All SPC5646BCF0VLU8 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5646BCF0VLU8, 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 SPC5646BCF0VLU8 part is unused and in its original packaging.
Return procedure for SPC5646BCF0VLU8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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