NXP Semiconductors SPC5742PK1AMLQ8
- Part No.:
- SPC5742PK1AMLQ8
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PK1AMLQ8.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,377
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Product details
Overview
SPC5742PK1AMLQ8 from NXP is an automotive-grade 32-bit Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, featuring 1.5 MB flash, 192 KB RAM, FlexCAN, FlexRay, SENT, LINFlexD, and ASIL-D functional safety support for safety-critical motor control applications.
For engineers reviewing the SPC5742PK1AMLQ8 datasheet, SPC5742PK1AMLQ8 pinout, SPC5742PK1AMLQ8 application, or SPC5742PK1AMLQ8 equivalent, key selection criteria include lockstep core redundancy, end-to-end ECC memory protection, AEC-Q100 Grade 1 qualification (−40°C to 125°C), and integrated safety peripherals including FCCU and LBIST/MBIST.
Technical Context
The SPC5742PK1AMLQ8 implements two e200z4 cores in delayed lockstep with synchronized execution and comparison logic, supporting ISO 26262 ASIL-D compliance. It integrates a 32-channel eDMA controller also in lockstep, and uses crossbar-switch architecture with E2E ECC on address and data paths for memory subsystem integrity.
It features dual-channel FlexRay™ with protocol engine and timing control, four 12-bit ADCs (16-channel total) with self-test capability, and safety-critical peripherals including SWT, PIT/STM timers, and FCCU for fault collection and response management under failure conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in hardware lockstep for ASIL-D fault detection |
| Max Clock Speed | 200 MHz - enables real-time deterministic control loop execution in EPS and braking systems |
| Flash Memory | 1.5 MB with I/D cache and end-to-end ECC - supports secure boot, OTA updates, and code redundancy |
| SRAM | 192 KB with address+data ECC - protects runtime variables and stack against single/double-bit errors |
| Operating Temp | −40°C to 125°C - qualified per AEC-Q100 Grade 1 for under-hood automotive deployment |
| Supply Voltage | 3.15 V to 5.5 V - compatible with 5 V automotive battery rail and regulated 3.3 V domains |
| Safety Features | Core/DMA lockstep, duplicate peripherals, LBIST/MBIST, ADC self-test, FCCU - fulfills ASIL-D decomposition requirements |
Pinout & Package
SPC5742PK1AMLQ8 is housed in a 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment follows NXP's MPC574xP standard layout, optimized for signal integrity and thermal dissipation in high-reliability automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main power supply input | Accepts 3.15–5.5 V; powers core, flash, and analog blocks; requires local decoupling |
| VDD_IO | I/O power supply | Independent 3.3 V domain for GPIO and communication interfaces; enables mixed-voltage interfacing |
| RESET_IN | Asynchronous reset input | Active-low, Schmitt-triggered; initiates full system reset including safety monitors and lockstep alignment |
| JTAG_TCK/TMS/TDI/TDO | Nexus Class 3 debug interface | Supports real-time trace, safety-aware debugging, and lockstep core visibility via Lauterbach/iSystem tools |
| FLEXRAY_A_TX/RX | FlexRay channel A differential pair | Compliant with FlexRay v2.1 physical layer; supports 10 Mbps bus speed with built-in clock compensation |
| FLEXCAN0_TX/RX | FlexCAN controller channel 0 | ISO 11898-1 compliant CAN FD capable up to 5 Mbps; includes message RAM and error counters for safety logging |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Hardware-level instruction-by-instruction comparison ensures immediate fault detection and safe state transition |
| End-to-end ECC on Flash & SRAM | Corrects single-bit errors and detects double-bit errors across entire memory subsystem, meeting ASIL-D FIT targets |
| FlexRay dual-channel controller | Enables time-triggered communication with deterministic latency for active suspension and brake-by-wire networks |
| SENT and LINFlexD interfaces | Direct sensor interfacing (e.g., torque, position) and low-cost actuator control without external transceivers |
| FCCU with configurable fault responses | Centralized fault collection unit allows programmable reaction (e.g., core isolation, safe shutdown) per fault class and severity |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor current control during steering maneuvers, including fail-safe torque reduction on fault detection. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-D control algorithms with lockstep core supervision and redundant PWM generation. Use Value: Enables <10 µs fault reaction time and SIL3-compliant motor disable via integrated FCCU and safe PWM shutdown logic in SPC5742PK1AMLQ8. | Use Scenario: High-integrity crash event detection, pyrotechnic trigger sequencing, and occupant classification sensor fusion. IC Role / Device Role / Timing Role: Safety domain controller managing dual ADC inputs, SENT sensor interfaces, and certified safe output drivers for inflator firing circuits. Use Value: Leverages SPC5742PK1AMLQ8's ADC self-test, end-to-end ECC RAM, and lockstep DMA to meet ASIL-D diagnostic coverage requirements for airbag deployment reliability. |
| Braking & Stability Control | Adaptive Cruise Control (ACC) |
Use Scenario: Closed-loop hydraulic pressure modulation and yaw rate correction using wheel speed, steering angle, and lateral acceleration inputs. IC Role / Device Role / Timing Role: Real-time safety controller interfacing with FlexRay backbone, dual CAN buses, and 4-channel ADC for analog sensor acquisition. Use Value: SPC5742PK1AMLQ8's dual FlexRay channels and lockstep eDMA ensure deterministic 5 ms control cycle timing with fault containment per ISO 26262 Part 6. | Use Scenario: Radar data preprocessing, vehicle distance tracking, and throttle/brake actuation coordination in highway scenarios. IC Role / Device Role / Timing Role: Domain controller aggregating LINFlexD (for radar module comms), FlexCAN (for chassis network), and DSPI (for radar sensor interface). Use Value: SPC5742PK1AMLQ8's 200 MHz lockstep cores and 1.5 MB flash enable multi-threaded ACC state machine execution with certified safe interrupt handling and memory partitioning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PK1AMLQ8 | 2.5 MB flash, 384 KB RAM, same package and pinout; higher memory for complex AUTOSAR stacks | Preferred for full AUTOSAR OS + safety monitor + application SW in single-chip EPS designs | Select when >1.5 MB flash required for certified safety software layers and diagnostics |
| SPC5743PK1AMLQ8 | 2 MB flash, 256 KB RAM, identical safety architecture and peripheral set | Optimized for mid-tier ADAS domain controllers balancing cost and feature depth | Choose for cost-sensitive ASIL-D applications needing more memory than SPC5742PK1AMLQ8 but less than SPC5744PK1AMLQ8 |
Compared with SPC5744PK1AMLQ8 and SPC5743PK1AMLQ8, the SPC5742PK1AMLQ8 delivers the minimal certified ASIL-D resource footprint-ideal for cost-constrained, function-specific safety nodes like EPS assist modules or airbag squib drivers-without compromising lockstep integrity or ECC coverage.
Availability
SPC5742PK1AMLQ8 is available at Aetrix Electronics and suitable for electric power steering, airbag control units, and braking stability systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant traceability.
Supply support for SPC5742PK1AMLQ8 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 leader in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in functional safety and embedded processing.
The MPC574xP product line-including SPC5742PK1AMLQ8-is designed specifically for ASIL-D automotive safety-critical control, integrating lockstep cores, safety peripherals, and certified development toolchains for EPS, airbag, and chassis domain applications.
FAQ
What is the maximum operating temperature rating for SPC5742PK1AMLQ8?
The SPC5742PK1AMLQ8 is qualified per AEC-Q100 Grade 1 with an ambient operating temperature range of −40°C to 125°C. This rating is validated for continuous operation in under-hood environments and aligns with ISO 26262 thermal derating requirements for ASIL-D systems. The device's thermal pad and LQFP package support reliable heat dissipation within this envelope.
Does SPC5742PK1AMLQ8 support CAN FD communication?
Yes, the SPC5742PK1AMLQ8 integrates FlexCAN modules compliant with ISO 11898-1 that support CAN FD frames at data rates up to 5 Mbps. Its message RAM, error counters, and flexible filtering enable robust implementation of safety-critical CAN FD networks in EPS and chassis control applications.
How does SPC5742PK1AMLQ8 implement functional safety for ASIL-D compliance?
The SPC5742PK1AMLQ8 achieves ASIL-D readiness through dual e200z4 lockstep cores, lockstep eDMA, end-to-end ECC on flash and SRAM, duplicate safety peripherals, LBIST/MBIST, ADC self-test, and FCCU-based fault response orchestration-all documented in NXP's ISO 26262-certified safety manual for the MPC574xP family.
What development tools are supported for SPC5742PK1AMLQ8 firmware development?
SPC5742PK1AMLQ8 supports Green Hills MULTI and Wind River Workbench IDEs, Lauterbach TRACE32 and iSystem winIDEA debuggers, and NXP's S32DS IDE with certified SafeAssure safety libraries. Runtime software includes flash/EEPROM drivers and AUTOSAR MCAL packages validated for ASIL-D use cases.
Is SPC5742PK1AMLQ8 pin-compatible with other MPC574xP variants?
Yes, SPC5742PK1AMLQ8 shares identical 144-pin LQFP mechanical and electrical pinout with SPC5741P, SPC5743P, and SPC5744P in the same package variant. This enables hardware reuse across memory-graded variants while maintaining identical PCB layout and signal routing for FlexRay, CAN, and ADC interfaces.
SPC5742PK1AMLQ8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- MPC57xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 180MHz
- Connectivity:
- CANbus, Ethernet, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.15V ~ 5.5V
- Data Converters:
- A/D 64x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5742PK1AMLQ8 FAQ
1.How can I place an order for SPC5742PK1AMLQ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PK1AMLQ8 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 SPC5742PK1AMLQ8 reliable?
The price and inventory of SPC5742PK1AMLQ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PK1AMLQ8 is usually 5 days.
3.What payment methods are accepted for SPC5742PK1AMLQ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PK1AMLQ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PK1AMLQ8?
SPC5742PK1AMLQ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PK1AMLQ8 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 SPC5742PK1AMLQ8?
For technical support, including SPC5742PK1AMLQ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PK1AMLQ8 requirements.
6.How does Aetrix verify that SPC5742PK1AMLQ8 is sourced from the original manufacturer or authorized distributors?
All SPC5742PK1AMLQ8 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 SPC5742PK1AMLQ8 meets industry standards.
7.What is the process for return or replacement of SPC5742PK1AMLQ8?
All SPC5742PK1AMLQ8 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PK1AMLQ8, 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 SPC5742PK1AMLQ8 part is unused and in its original packaging.
Return procedure for SPC5742PK1AMLQ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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