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NXP Semiconductors SPC5643LFAMLL6R
- Part No.:
- SPC5643LFAMLL6R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC5643LFAMLL6R.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,574
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Product details
Overview
SPC5643LFAMLL6R from NXP Semiconductors is a dual-core automotive safety microcontroller based on Power Architecture e200z4d CPUs, operating up to 120 MHz with LockStep and Decoupled Parallel modes. It integrates 1 MB flash with ECC, 128 KB SRAM with ECC, dual FlexCAN 2.0B interfaces, FlexRay v2.1 (2-channel), and dual 12-bit ADCs - deployed in electric power steering (EPS) and airbag control units requiring ASIL-D compliance.
For engineers reviewing the SPC5643LFAMLL6R datasheet, SPC5643LFAMLL6R pinout, SPC5643LFAMLL6R application, or SPC5643LFAMLL6R equivalent, key selection criteria include SIL3/ASIL-D safety architecture (FCCU, RCCU, replicated watchdog/temperature sensor), dual-core redundancy scope (CPU, eDMA, XBAR), and BGA-257 package–specific features including eTimer_2 and second FlexPWM module availability.
Technical Context
The SPC5643LFAMLL6R implements two replicated e200z4d cores supporting both LockStep mode for fault detection and Decoupled Parallel mode for high-throughput deterministic execution. Its crossbar switch provides four master ports (dual BIUs, eDMA, FlexRay) and three slave ports (redundant flash/SRAM controllers, peripheral bridge), all replicated per channel.
Safety-critical subsystems include Fault Collection and Control Unit (FCCU), Redundancy Control and Checker Unit (RCCU), boot-time MBIST/LBIST, replicated junction temperature sensors, and 16-region MPU with concurrent access checks per master. The device uses dual FMPLLs, 16 MHz internal RC oscillator, and supports external crystal (4–40 MHz) for clock redundancy.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4d Power Architecture CPUs with VLE, MMU, 4 KB instruction cache, SPE, and Harvard bus |
| Max Core Frequency | 120 MHz with ±2% frequency modulation; enables >240 DMIPS performance |
| Memory | 1 MB on-chip flash with ECC and RWW; 128 KB SRAM with ECC; supports EEPROM emulation |
| Safety Certification | SIL3/ASIL-D compliant via LockStep operation, FCCU, RCCU, replicated watchdog & temp sensor, MBIST/LBIST |
| Communication Interfaces | 2 × FlexCAN 2.0B (32 msg objects each), 2 × LINFlexD, 3 × DSPI, 1 × FlexRay v2.1 (2 channels, 64 msg buffers) |
| Analog & Timing | 2 × 12-bit ADCs (16 ch total), CTU for cross-triggering, 3 × eTimer (6 ch each), 2 × FlexPWM (4 ch/module) |
| 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
SPC5643LFAMLL6R is housed in a 257-ball MAPBGA package (14 mm × 14 mm × 0.8 mm) with 1.0 mm ball pitch, optimized for automotive ECU thermal and routing requirements. Pin assignments follow NXP's MPC5643L standard layout with dedicated supply, ground, I/O, clock, reset, Nexus debug, and safety monitoring pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN / VDD_IO | Main power supply | 3.0–3.6 V core/I/O supply; decoupling required per NXP layout guidelines for noise immunity |
| VSS | Ground reference | Multiple dedicated ground balls for signal integrity and EMC compliance in automotive environments |
| RESET_B | Active-low reset input | Asynchronous reset with internal pull-up; initiates hardware reset sequence per ISO 26262 startup requirements |
| NEXUS_TDI / TDO / TCK / TMS | Nexus Class 3+ debug interface | Enables real-time trace, non-intrusive debugging, and safety verification during development and validation |
| FCCU_ERR | Fault reporting output | Open-drain status signal indicating detected faults routed to system-level fail-safe controller |
| CLKIN / XOSC_IN / XOSC_OUT | External clock input | Supports 4–40 MHz crystal; used for primary clock source with FMPLL lock detection and LOC monitoring |
Key Features
| Feature | Design Value |
|---|---|
| LockStep + Decoupled Parallel operation | Enables both functional safety (ASIL-D) and high-performance deterministic execution without architectural trade-off |
| Replicated safety peripherals | FCCU, RCCU, watchdog, temperature sensor, INTC, STM, and eDMA ensure end-to-end fault containment |
| On-chip ECC memory subsystem | 1-bit correction / 2-bit detection on 1 MB flash and 128 KB SRAM - meets ISO 26262 memory safety goals |
| FlexRay v2.1 with 2 channels | 10 Mbit/s data rate, 64 message buffers - supports time-triggered communication for chassis domain ECUs |
| CTU-synchronized ADC & PWM | Programmable cross-triggering unit enables precise timing alignment between analog sampling and motor control outputs |
Applications
| Electric Power Steering (EPS) | Airbag Control Unit (ACU) |
|---|---|
Use Scenario: Real-time torque assist calculation, motor phase current sensing, and fail-safe shutdown under crash conditions. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D software with LockStep core validation and FCCU-monitored fault response. Use Value: Dual-core redundancy ensures continuous operation during single-point faults; FlexRay synchronizes with radar/ADAS systems at 10 Mbit/s. |
Use Scenario: Multi-sensor fusion (accelerometer, pressure, seat occupancy), pyro driver triggering, and crash event logging. IC Role / Device Role / Timing Role: Central safety MCU managing SIL3/ASIL-D decision logic, replicated ADC acquisition, and time-critical pyro firing signals. Use Value: Boot-time MBIST/LBIST validates memory and logic before deployment; replicated temperature sensor prevents thermal runaway during deployment. |
| Brake-by-Wire (BBW) | Hydraulic Power Steering (EHPS) |
Use Scenario: Closed-loop brake pressure control using CAN/FlexRay feedback, redundancy monitoring, and emergency fallback actuation. IC Role / Device Role / Timing Role: Safety-critical host processor with dual FlexCAN for vehicle network arbitration and FlexRay for deterministic actuator command delivery. Use Value: Decoupled Parallel mode allows one core to run safety monitor while the other executes control algorithms - no shared resource contention. |
Use Scenario: High-bandwidth motor control with PWM generation, current sensing, and hydraulic valve position feedback. IC Role / Device Role / Timing Role: Motor control MCU leveraging FlexPWM modules, CTU-synchronized ADCs, and eTimer-based dead-time insertion. Use Value: Second FlexPWM module and eTimer_2 available only in BGA package - enables full 3-phase inverter control with independent timing domains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5643LKAMLL6R | Same die, identical specs, but qualified for extended temperature range (–40 °C to 150 °C junction) | Required for under-hood applications exceeding 125 °C ambient; not needed for cabin-mounted EPS/ACU | Select SPC5643LFAMLL6R for cost-optimized designs meeting AEC-Q100 Grade 1 (–40 °C to 125 °C ambient). |
| SPC560P50L5CEFBR | Single e200z0 core, 512 KB flash, no FlexRay, lower ASIL-B capability, LQFP-144 package | Lacks LockStep, FlexRay, and dual ADC - suitable for non-safety-critical body control modules only | Not a functional replacement; use only where ASIL-D is not mandated and FlexRay/FlexCAN bandwidth is unnecessary. |
Compared with MPC5643LKAMLL6R, SPC5643LFAMLL6R offers identical safety architecture and feature set at lower qualification cost; compared with SPC560P50L5CEFBR, it delivers full ASIL-D capability, FlexRay, and dual-core determinism - making it irreplaceable for EPS and ACU applications.
Availability
SPC5643LFAMLL6R 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 AEC-Q100 Grade 1 qualification.
Supply support for SPC5643LFAMLL6R 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 ASIL-D microcontrollers.
The SPC5643LFAMLL6R belongs to NXP's SPC56x automotive MCU family, designed specifically for safety-critical vehicle dynamics and restraint systems - emphasizing lockstep redundancy, certified toolchains, and ISO 26262-ready hardware architecture.
FAQ
What is the package type and pin count of the SPC5643LFAMLL6R?
The SPC5643LFAMLL6R uses a 257-ball MAPBGA package measuring 14 mm × 14 mm × 0.8 mm with 1.0 mm ball pitch. This package enables full access to BGA-specific features including eTimer_2 and the second FlexPWM module - unavailable in the LQFP-144 variant. Pin assignments align with NXP's MPC5643L standard layout documented in Section 2 of the datasheet.
Does the SPC5643LFAMLL6R support ASIL-D compliance out of the box?
Yes, the SPC5643LFAMLL6R is architected for ASIL-D compliance per ISO 26262, featuring LockStep dual-core operation, FCCU, RCCU, replicated watchdog and temperature sensors, boot-time MBIST/LBIST, and 16-region MPU. Full certification requires proper configuration, safety software, and toolchain qualification - but the hardware foundation for ASIL-D is natively implemented in the SPC5643LFAMLL6R silicon.
What are the key differences between SPC5643LFAMLL6R and MPC5643LKAMLL6R?
The SPC5643LFAMLL6R and MPC5643LKAMLL6R share identical functionality, pinout, and safety architecture. The sole difference is junction temperature qualification: SPC5643LFAMLL6R is rated for –40 °C to 150 °C junction (AEC-Q100 Grade 1), while MPC5643LKAMLL6R extends to 150 °C junction for under-hood deployments. Both use the same 257-ball MAPBGA package and support identical software stacks.
Which communication interfaces are available on the SPC5643LFAMLL6R?
The SPC5643LFAMLL6R integrates 2 × FlexCAN 2.0B interfaces (32 message objects each), 2 × LINFlexD channels, 3 × DSPI modules (up to 8 chip selects), 1 × FlexRay v2.1 controller (2 channels, 64 message buffers), and Nexus Class 3+ debug interface. All interfaces support redundancy-aware operation and are accessible via the 257-ball MAPBGA package.
Is the SPC5643LFAMLL6R pin-compatible with other MPC5643L variants?
No - the SPC5643LFAMLL6R is not pin-compatible with LQFP-144 variants like MPC5643LK0MPLL6R due to differing package types and ball/pin counts. However, it is footprint-compatible with other 257-ball MAPBGA MPC5643L variants (e.g., MPC5643LKAMLL6R), sharing identical mechanical layout, signal mapping, and power/ground ball placement per NXP's package drawing.
SPC5643LFAMLL6R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- 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 ~ 3.63V
- Data Converters:
- A/D 32x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5643LFAMLL6R FAQ
1.How can I place an order for SPC5643LFAMLL6R through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5643LFAMLL6R 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 SPC5643LFAMLL6R reliable?
The price and inventory of SPC5643LFAMLL6R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5643LFAMLL6R is usually 5 days.
3.What payment methods are accepted for SPC5643LFAMLL6R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5643LFAMLL6R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5643LFAMLL6R?
SPC5643LFAMLL6R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5643LFAMLL6R 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 SPC5643LFAMLL6R?
For technical support, including SPC5643LFAMLL6R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5643LFAMLL6R requirements.
6.How does Aetrix verify that SPC5643LFAMLL6R is sourced from the original manufacturer or authorized distributors?
All SPC5643LFAMLL6R 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 SPC5643LFAMLL6R meets industry standards.
7.What is the process for return or replacement of SPC5643LFAMLL6R?
All SPC5643LFAMLL6R units undergo pre-shipment inspection (PSI). If there is an issue with SPC5643LFAMLL6R, 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 SPC5643LFAMLL6R part is unused and in its original packaging.
Return procedure for SPC5643LFAMLL6R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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