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NXP Semiconductors SPC5643LFAMLL6
- Part No.:
- SPC5643LFAMLL6
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC5643LFAMLL6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,880
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Product details
Overview
SPC5643LFAMLL6 from NXP Semiconductors is a dual-core automotive microcontroller based on Power Architecture e200z4d CPUs, operating up to 120 MHz with 1 MB flash (ECC), 128 KB SRAM (ECC), and integrated FlexRay, dual FlexCAN 2.0B, and dual 12-bit ADCs. It delivers ASIL-D safety compliance via LockStep mode, FCCU, RCCU, and replicated watchdog/temperature sensors for electric power steering and airbag control systems.
For engineers reviewing the SPC5643LFAMLL6 datasheet, SPC5643LFAMLL6 pinout, SPC5643LFAMLL6 application, or SPC5643LFAMLL6 equivalent, key selection criteria include dual-core lockstep operation, 257-pin MAPBGA package (14 mm × 14 mm × 0.8 mm), ISO 26262 ASIL-D certification, FMPLL clocking, and Nexus Class 3+ debug support.
Technical Context
The SPC5643LFAMLL6 implements two e200z4d cores in either LockStep (for functional safety) or Decoupled Parallel (for performance) modes, each with 4 KB instruction cache, MMU, VLE, and SPE. Its crossbar switch supports four masters (dual BIUs, eDMA, FlexRay) and three slaves (flash, SRAM, PBRIDGE), enabling concurrent memory access with programmable arbitration.
Safety architecture includes sphere-of-replication (SoR) for CPU, eDMA, and crossbar; fault collection via FCCU; redundancy checking via RCCU; and hardware-triggered MBIST/LBIST at boot. Memory subsystem uses ECC on both 1 MB flash and 128 KB SRAM, with RWW capability for EEPROM emulation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture v2.03, Harvard bus, 5-stage pipeline |
| Max Core Frequency | 120 MHz with ±2% frequency modulation; enables real-time motor control loop execution |
| Flash Memory | 1 MB with ECC, 1-bit correction / 2-bit detection, RWW for safe firmware updates |
| SRAM | 128 KB on-chip SRAM with ECC, 32-bit boundary coverage including address decoder |
| Safety Certification | ISO 26262 ASIL-D compliant via LockStep mode, FCCU, replicated watchdog & temp sensor |
| ADC | Two 12-bit ADCs, 16 total channels, CTU-synchronized sampling for motor current sensing |
| Communication Interfaces | 2× FlexCAN 2.0B (32 msg objects), 2× LINFlexD, 3× DSPI, 1× FlexRay v2.1 (2 ch, 10 Mbit/s) |
| Package | 257-pin MAPBGA, 14 mm × 14 mm × 0.8 mm, 0.8 mm ball pitch |
Pinout & Package
SPC5643LFAMLL6 is housed in a 257-ball MAPBGA package (14 mm × 14 mm × 0.8 mm, 0.8 mm pitch), optimized for automotive ECU thermal and routing requirements. Pin assignments follow NXP's MPC5643L standard layout per Document Number MPC5643L Rev. 10.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply rail | 3.0–3.6 V core power; requires local decoupling for noise-sensitive safety logic |
| VDDA | Analog supply | Independent 3.0–3.6 V analog domain for ADC/SWG reference stability |
| VRH/VRT | ADC reference inputs | High/low reference pins supporting ratiometric or absolute voltage measurement |
| FLEXRAY_TX0/RX0 | FlexRay channel 0 I/O | Differential pair for high-integrity time-triggered networking in steer-by-wire |
| CAN0_TX/CAN0_RX | FlexCAN channel 0 differential I/O | ISO 11898-2 compliant physical layer interface for chassis communication |
| ET0_CH0–ET0_CH5 | eTimer_0 channel outputs | 6-channel general-purpose timer for PWM generation, capture, or quadrature decoding |
| NEXUS_TDI/TDO/TCK/TMS | Nexus Class 3+ debug port | Real-time trace and non-intrusive debugging with hardware breakpoints and data watchpoints |
Key Features
| Feature | Design Value |
|---|---|
| LockStep Core Operation | Dual e200z4d cores execute identical instructions with output comparison; detects transient faults in real time |
| Replicated Safety Peripherals | FCCU, RCCU, watchdog, temperature sensor, and INTC are fully duplicated per processing channel |
| Boot-Time BIST | Hardware-triggered MBIST and LBIST at power-on ensures flash, logic, and ADC integrity before runtime |
| CTU-Synchronized ADC Sampling | Cross Triggering Unit aligns ADC conversions precisely with eTimer/FlexPWM edges for motor phase current capture |
| FlexRay v2.1 Compliance | 2-channel, 64-message-buffer FlexRay module supports deterministic, fault-tolerant communication up to 10 Mbit/s |
| On-Chip SWG | 32-point sine wave generator with integrated low-pass filter enables direct resolver excitation without external components |
Applications
| Electric Power Steering (EPS) | Airbag Control Unit (ACU) |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current regulation under dynamic load conditions. IC Role / Device Role / Timing Role: Primary safety-critical controller executing ASIL-D motor control algorithms with LockStep core verification. Use Value: Dual 12-bit ADCs synchronized via CTU enable precise current sensing; FlexPWM and eTimer deliver <1 µs PWM dead-time control. | Use Scenario: High-reliability crash detection, squib firing sequencing, and occupant classification using multi-axis accelerometers. IC Role / Device Role / Timing Role: Central ASIL-D decision engine managing sensor fusion, diagnostic monitoring, and pyro driver activation. Use Value: Replicated FCCU and hardware BIST ensure fault-free startup; dual FlexCAN interfaces support redundant vehicle network communication. |
| Brake-by-Wire System | Hydraulic Power Steering (EHPS) |
Use Scenario: Closed-loop pressure and valve position control in electro-hydraulic brake actuators with fail-operational requirements. IC Role / Device Role / Timing Role: Safety-certified host processor managing FlexRay-based actuator coordination and redundancy arbitration. Use Value: FlexRay v2.1 module provides deterministic 10 Mbit/s messaging; sphere-of-replication covers crossbar and eDMA for data path integrity. | Use Scenario: Motor speed regulation and pressure feedback control in electrically driven hydraulic pumps. IC Role / Device Role / Timing Role: High-performance controller running decoupled dual cores for independent control and safety monitor tasks. Use Value: 120 MHz e200z4d cores support fast PID loops; on-chip SWG drives resolver for accurate rotor position sensing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5643LKAMLL6 | Same die, identical specs, but rated for –40 °C to 125 °C ambient (vs. SPC5643LFAMLL6's –40 °C to 105 °C) | Targeted at higher-ambient under-hood deployments where extended temperature margin is required | Select MPC5643LKAMLL6 when ambient exceeds 105 °C; otherwise SPC5643LFAMLL6 suffices for most EPS/ACU modules |
| SPC560P50L5 | Single e200z0 core, 512 KB flash, no FlexRay, lower ASIL-B rating, 100-pin LQFP package | Cost-optimized entry-level safety MCU for non-critical body control or gateway functions | Use only where LockStep, FlexRay, or dual ADCs are not required; not a functional replacement for SPC5643LFAMLL6 |
Compared with MPC5643LKAMLL6, SPC5643LFAMLL6 trades 20 °C ambient margin for qualification cost and supply chain maturity; compared with SPC560P50L5, it delivers full ASIL-D capability, FlexRay, and dual-core lockstep - essential for steer-by-wire and airbag deployment.
Availability
SPC5643LFAMLL6 is available at Aetrix Electronics and suitable for electric power steering, airbag control units, and brake-by-wire systems requiring stable component supply, long-term automotive lifecycle support, and ASIL-D certified silicon.
Supply support for SPC5643LFAMLL6 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 applications, with deep expertise in functional safety and embedded processing.
The SPC5643LFAMLL6 belongs to NXP's SPC56x automotive MCU family, designed specifically for ASIL-D safety-critical vehicle control systems including EPS, ACU, and brake-by-wire, integrating lockstep cores, FlexRay, and hardware BIST.
FAQ
What is the operating temperature range of the SPC5643LFAMLL6?
The SPC5643LFAMLL6 has a junction temperature range of –40 °C to 150 °C and an ambient temperature range of –40 °C to 105 °C when used with an external ballast transistor. This specification is confirmed in the MPC5643L Data Sheet Rev. 10, Section 1.4. The SPC5643LFAMLL6 is qualified for under-hood automotive environments where thermal robustness is critical for EPS and airbag applications.
Does the SPC5643LFAMLL6 support ISO 26262 ASIL-D compliance out of the box?
Yes, the SPC5643LFAMLL6 is architected for ISO 26262 ASIL-D compliance through hardware-enforced safety mechanisms: LockStep core operation, FCCU, replicated watchdog and temperature sensors, sphere-of-replication for CPU/eDMA/crossbar, and boot-time MBIST/LBIST. These features are documented in the MPC5643L Data Sheet Rev. 10, Sections 1.2 and 1.5.21–1.5.41. Full certification requires proper system-level integration per the Safety Application Guide for MPC5643L.
What package type and dimensions does the SPC5643LFAMLL6 use?
The SPC5643LFAMLL6 uses a 257-ball MAPBGA package measuring 14 mm × 14 mm × 0.8 mm with 0.8 mm ball pitch. This mechanical outline is specified in Section 4.1 of the MPC5643L Data Sheet Rev. 10. The package supports high I/O density and thermal dissipation required for automotive ECUs, and is distinct from the 144-pin LQFP variant also offered in the MPC5643L family.
How many CAN interfaces does the SPC5643LFAMLL6 include, and what version do they support?
The SPC5643LFAMLL6 integrates two FlexCAN controllers compliant with CAN 2.0B Active protocol, each supporting up to 32 message objects with configurable acceptance filtering and loopback self-test. This is explicitly stated in the MPC5643L Data Sheet Rev. 10, Section 1.3 (Device Summary) and Section 1.5.26. No CAN FD capability is included - the SPC5643LFAMLL6 targets legacy and mixed-protocol automotive networks.
Is the SPC5643LFAMLL6 pin-compatible with other members of the MPC5643L family?
No, the SPC5643LFAMLL6 is not universally pin-compatible across the MPC5643L family. While it shares the 257-pin MAPBGA footprint with variants like MPC5643LKAMLL6, differences exist in peripheral availability: eTimer_2 and the second FlexPWM module are BGA-exclusive, and pin muxing varies by part number. The MPC5643L Data Sheet Rev. 10, Section 1.4, confirms that LQFP and BGA packages have different signal allocations. Always verify pin mapping against the specific variant's package drawing.
SPC5643LFAMLL6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tray
- 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:
SPC5643LFAMLL6 FAQ
1.How can I place an order for SPC5643LFAMLL6 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5643LFAMLL6 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 SPC5643LFAMLL6 reliable?
The price and inventory of SPC5643LFAMLL6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5643LFAMLL6 is usually 5 days.
3.What payment methods are accepted for SPC5643LFAMLL6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5643LFAMLL6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5643LFAMLL6?
SPC5643LFAMLL6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5643LFAMLL6 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 SPC5643LFAMLL6?
For technical support, including SPC5643LFAMLL6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5643LFAMLL6 requirements.
6.How does Aetrix verify that SPC5643LFAMLL6 is sourced from the original manufacturer or authorized distributors?
All SPC5643LFAMLL6 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 SPC5643LFAMLL6 meets industry standards.
7.What is the process for return or replacement of SPC5643LFAMLL6?
All SPC5643LFAMLL6 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5643LFAMLL6, 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 SPC5643LFAMLL6 part is unused and in its original packaging.
Return procedure for SPC5643LFAMLL6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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