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NXP Semiconductors SPC5643LFF2MLL6
- Part No.:
- SPC5643LFF2MLL6
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC5643LFF2MLL6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,117
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Product details
Overview
SPC5643LFF2MLL6 from NXP Semiconductors is a dual-core automotive safety microcontroller built on Power Architecture® e200z4d cores, operating up to 120 MHz with 1 MB flash (ECC), 128 KB SRAM (ECC), and integrated FlexRay, dual FlexCAN 2.0B, and SIL3/ASILD-certified lock-step safety architecture. It targets electric power steering (EPS) and airbag control systems requiring functional safety compliance.
For engineers reviewing the SPC5643LFF2MLL6 datasheet, SPC5643LFF2MLL6 pinout, SPC5643LFF2MLL6 application, or SPC5643LFF2MLL6 equivalent, key selection criteria include dual-core lock-step operation, 257-pin MAPBGA package (14 × 14 × 0.8 mm), -40 °C to 125 °C ambient rating, FMPLL clocking, and Nexus Class 3+ debug support.
Technical Context
The SPC5643LFF2MLL6 implements two replicated e200z4d cores supporting both lock-step mode for ASIL D fault detection and decoupled parallel mode for high-performance computation. Its memory subsystem includes ECC-protected 1 MB flash and 128 KB SRAM, with MBIST/LBIST, FCCU, RCCU, and replicated CTU/ADC for safety-critical timing synchronization.
Peripherals are architected for automotive real-time control: dual FlexCAN interfaces (32 message objects each), FlexRay v2.1 (2 channels, 64 buffers, up to 10 Mbit/s), three eTimer units (6 channels each), two FlexPWM modules (4 × 16-bit channels per module), and two 12-bit ADCs with cross-triggering - all replicated or safety-monitored per ISO 26262 requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, VLE & SPE support, 5-stage pipeline, MMU with 16 entries |
| Max Core Frequency | 120 MHz with ±2% frequency modulation; enables deterministic real-time execution in EPS and airbag actuation |
| Memory | 1 MB on-chip flash with ECC and RWW; 128 KB SRAM with ECC; supports EEPROM emulation without external memory |
| Safety Certification | SIL3 / ASIL D compliant via lock-step replication, FCCU, RCCU, MBIST/LBIST, replicated watchdog & temp sensor |
| Communications | 2 × FlexCAN 2.0B (32 msg objects), FlexRay v2.1 (2 ch, 64 buffers, 10 Mbit/s), 2 × LINFlexD, 3 × DSPI |
| Analog & Timing | 2 × 12-bit ADC (16 ch total), programmable CTU for ADC/PWM/timer sync, 3 × eTimer (6 ch each), 2 × FlexPWM (4 × 16-bit ch) |
| Package & Environment | 257-pin MAPBGA (14 mm × 14 mm × 0.8 mm), -40 °C to 125 °C ambient, -40 °C to 150 °C junction |
Pinout & Package
SPC5643LFF2MLL6 is housed in a 257-ball MAPBGA package (14 mm × 14 mm × 0.8 mm) with 1.0 mm ball pitch, optimized for automotive PCB thermal and mechanical reliability. Pin assignments follow NXP's MPC5643L standard ballout for signal integrity and safety partitioning.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply rail | 3.0–3.6 V core power; requires local decoupling per safety layout guidelines |
| VDD_ANA | Analog reference supply | Independent 3.0–3.6 V analog domain; isolates ADC/SWG noise from digital switching |
| VRX / VTX | FlexRay transceiver interface | Differential pair for channel A; supports 10 Mbit/s bus communication with built-in termination control |
| CAN_H / CAN_L | FlexCAN differential bus | Two independent CAN 2.0B physical layers; each supports 1 Mbps with integrated bus-off recovery |
| ETDC0–ETDC5 | eTimer dedicated capture inputs | Hardware-timed edge capture for motor position sensing in EPS applications |
| AD0–AD15 | ADC input channels | 16 multiplexed analog inputs shared across two 12-bit ADCs; CTU enables synchronized sampling |
| NEXUS_TDI / TDO / TCK / TMS | Nexus Class 3+ debug port | Real-time trace, non-intrusive debugging, and safety verification during runtime and startup |
Key Features
| Feature | Design Value |
|---|---|
| LockStep Core Replication | Dual e200z4d cores execute identical instructions with hardware comparator; detects transient faults for ASIL D compliance |
| Replicated Safety Peripherals | FCCU, RCCU, CTU, ADC, SWT, and temperature sensor duplicated per channel - enables cross-checking and fail-safe shutdown |
| On-Chip Memory Protection | 16-region MPU with 32-byte granularity; enforces access rights per master (CPU, eDMA, FlexRay) for memory isolation |
| Functional Safety BIST | Hardware-triggered MBIST/LBIST at boot; software-triggered ADC/flash BIST; meets ISO 26262 diagnostic coverage requirements |
| Automotive Communication Suite | FlexRay + dual FlexCAN + LINFlexD + DSPI coexist with time-triggered scheduling - supports multi-bus vehicle networks |
Applications
| Electric Power Steering (EPS) | Airbag Control Unit (ACU) |
|---|---|
Use Scenario: Real-time torque assist calculation, motor current control, and fault monitoring in 12 V automotive EPS systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL D algorithms with lock-step core validation and replicated ADC/eTimer sampling. Use Value: Enables deterministic <100 µs control loop latency using eTimer capture and FlexPWM output with hardware CTU synchronization. | Use Scenario: Crash event detection, squib firing sequencing, and occupant classification via multi-axis sensor fusion. IC Role / Device Role / Timing Role: Central safety MCU managing dual CAN buses for sensor data aggregation and FlexRay for high-integrity actuator commands. Use Value: Achieves >99% single-point fault coverage via FCCU-managed diagnostics and replicated junction temperature sensors. |
| Brake-by-Wire (BBW) | Advanced Driver Assistance (ADAS) Sensor Hub |
Use Scenario: Redundant hydraulic pressure control and brake actuation in electromechanical brake systems. IC Role / Device Role / Timing Role: Dual-channel safety processor running lock-step control loops with independent FlexCAN/FlexRay communication stacks. Use Value: Supports SIL3-compliant fail-operational behavior using decoupled parallel mode during partial fault conditions. | Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS ECU. IC Role / Device Role / Timing Role: High-bandwidth peripheral hub with DSPI (for radar), LINFlexD (for ultrasonic), and CAN (for camera modules). Use Value: Offloads timing-critical sensor synchronization from main ECU using programmable CTU and eTimer trigger routing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5643LFF2MLL6R | Same die, tape-and-reel packaging variant; identical electrical and functional specs; RoHS-compliant finish | No functional difference; used for automated SMT assembly where reel format required | Select when volume production demands standard reel packaging and full traceability |
| SPC560P50L5CEFAY | Single e200z0 core, 512 KB flash, no FlexRay, lower temp grade (-40 °C to 105 °C), no lock-step | Targeted at ASIL B applications like body control modules; lacks SIL3/ASIL D safety mechanisms | Choose only for cost-sensitive non-safety-critical functions where FlexRay and dual-core redundancy are unnecessary |
Compared with SPC5643LFF2MLL6, the MPC5643LFF2MLL6R offers identical functionality in reel format for production scalability, while the SPC560P50L5CEFAY provides reduced capability for lower-ASIL applications - neither is pin-compatible nor functionally interchangeable without hardware and safety revalidation.
Availability
SPC5643LFF2MLL6 is available at Aetrix Electronics and suitable for electric power steering (EPS), airbag control units (ACU), and brake-by-wire (BBW) systems requiring stable component supply, long-term automotive lifecycle support, and ISO 26262-compliant sourcing.
Supply support for SPC5643LFF2MLL6 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 applications, with deep expertise in functional safety and embedded processing.
The SPC5643LFF2MLL6 belongs to NXP's SPC5 automotive MCU family, designed specifically for ASIL D–compliant real-time control in electric power steering, airbag, and chassis systems - emphasizing lock-step reliability, integrated safety peripherals, and automotive-grade robustness.
FAQ
What safety certifications does the SPC5643LFF2MLL6 support?
The SPC5643LFF2MLL6 is designed to meet ISO 26262 ASIL D requirements through hardware-level safety mechanisms including lock-step dual e200z4d cores, FCCU, RCCU, replicated watchdog and temperature sensors, MBIST/LBIST, and 16-region MPU. It supports SIL3 per IEC 61508 and is qualified for automotive use per AEC-Q100 Grade 1. Documentation includes the Safety Application Guide for MPC5643L, which details diagnostic coverage metrics and FMEDA results for SPC5643LFF2MLL6.
Does the SPC5643LFF2MLL6 include FlexRay support, and what version is implemented?
Yes, the SPC5643LFF2MLL6 integrates a FlexRay v2.1 Rev. A controller with two independent channels, 64 message buffers, and data rates up to 10 Mbit/s. This implementation supports time-triggered communication essential for brake-by-wire and steer-by-wire systems. The FlexRay module includes built-in CRC, dynamic segment configuration, and clock synchronization logic - all validated per FlexRay Consortium conformance testing. The SPC5643LFF2MLL6 datasheet (Rev. 10, Section 1.5.27) confirms full compliance with FlexRay v2.1 specifications.
What is the package type and pin count of the SPC5643LFF2MLL6?
The SPC5643LFF2MLL6 uses a 257-ball MAPBGA package measuring 14 mm × 14 mm × 0.8 mm with 1.0 mm ball pitch. This package is explicitly listed in the MPC5643L datasheet (Rev. 10, Section 4.1) and supports automotive thermal dissipation and board-level reliability requirements. It is distinct from the 144-pin LQFP variant - the SPC5643LFF2MLL6 is exclusively available in this 257-ball MAPBGA configuration, enabling higher I/O density for complex automotive networking and sensor interfacing.
Can the SPC5643LFF2MLL6 operate in decoupled parallel mode, and what benefit does it provide?
Yes, the SPC5643LFF2MLL6 supports decoupled parallel mode, allowing its dual e200z4d cores to execute independent instruction streams while sharing memory and peripherals. This mode delivers up to 240 DMIPS performance for non-safety-critical tasks such as sensor preprocessing or communication stack handling - without compromising lock-step operation for safety-critical threads. The crossbar switch enables concurrent access to flash, SRAM, and peripherals, and the SPC5643LFF2MLL6 Reference Manual details register-level configuration for mode switching and resource arbitration.
What debug interface does the SPC5643LFF2MLL6 provide, and is it production-ready?
The SPC5643LFF2MLL6 features a Nexus Class 3+ debug interface compliant with IEEE-ISTO 5001™, supporting real-time trace, non-intrusive breakpoints, and safety-aware debugging. It is production-ready and enabled in all silicon revisions, with full toolchain support from Lauterbach TRACE32, PLS UDE, and Green Hills MULTI. The interface includes dedicated pins (NEXUS_TDI/TDO/TCK/TMS) routed to the 257-ball MAPBGA package and is documented in the MPC5643L datasheet (Rev. 10, Section 1.5.38) and Nexus Port Controller (NPC) chapter of the reference manual.
SPC5643LFF2MLL6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 64MHz
- Connectivity:
- CANbus, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5643LFF2MLL6 FAQ
1.How can I place an order for SPC5643LFF2MLL6 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5643LFF2MLL6 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 SPC5643LFF2MLL6 reliable?
The price and inventory of SPC5643LFF2MLL6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5643LFF2MLL6 is usually 5 days.
3.What payment methods are accepted for SPC5643LFF2MLL6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5643LFF2MLL6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5643LFF2MLL6?
SPC5643LFF2MLL6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5643LFF2MLL6 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 SPC5643LFF2MLL6?
For technical support, including SPC5643LFF2MLL6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5643LFF2MLL6 requirements.
6.How does Aetrix verify that SPC5643LFF2MLL6 is sourced from the original manufacturer or authorized distributors?
All SPC5643LFF2MLL6 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 SPC5643LFF2MLL6 meets industry standards.
7.What is the process for return or replacement of SPC5643LFF2MLL6?
All SPC5643LFF2MLL6 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5643LFF2MLL6, 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 SPC5643LFF2MLL6 part is unused and in its original packaging.
Return procedure for SPC5643LFF2MLL6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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