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NXP Semiconductors SPC5742PK1AMMM8
- Part No.:
- SPC5742PK1AMMM8
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 257-LFBGA
- Datasheet:
-
SPC5742PK1AMMM8.pdf
- Description:
- IC MCU 32B 1.5MB FLASH 257MAPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,799
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Product details
Overview
SPC5742PK1AMMM8 from NXP is an automotive-grade 32-bit Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, 1.5 MB flash, 192 KB RAM, and AEC-Q100 Grade 1 qualification (–40°C to +125°C). It integrates FlexCAN, FlexRay, SENT, LINFlexD, DSPI, Ethernet, and safety mechanisms for electric power steering and airbag control systems.
For engineers reviewing the SPC5742PK1AMMM8 datasheet, SPC5742PK1AMMM8 pinout, SPC5742PK1AMMM8 application, or SPC5742PK1AMMM8 equivalent, key selection criteria include ASIL-D support, dual-core lockstep execution, end-to-end ECC on memory and buses, integrated safety peripherals (FCCU, LBIST/MBIST), and automotive-qualified 144-pin LQFP packaging.
Technical Context
The SPC5742PK1AMMM8 implements two e200z4 cores in delayed lockstep with shared instruction fetch and independent execution paths, enabling real-time fault detection. It includes a Safety Lake subsystem with dedicated checker logic, FCCU for fault collection and response, and hardware-accelerated safety monitors for ADC self-test and memory BIST.
Its communication stack supports concurrent FlexCAN (3 channels), FlexRay (dual-channel), SENT (4 channels), LINFlexD (2 channels), DSPI (4 channels), and 10/100 Ethernet - all with configurable error handling and safety-aware DMA routing via the safe eDMA controller with 32 channels in lockstep.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in delayed lockstep for ASIL-D compliance |
| Max Clock Speed | 200 MHz - enables deterministic real-time control loop execution in EPS and braking systems |
| Flash Memory | 1.5 MB with I/D cache, ECC protection, and secure boot support |
| RAM | 192 KB SRAM with address+data ECC, split into safety-critical and application partitions |
| Operating Temp | –40°C to +125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood automotive use |
| Supply Voltage | 3.15 V to 5.5 V - compatible with 5 V automotive battery rails and noise-tolerant operation |
| Safety Features | Core/DMA lockstep, e2eECC, duplicate peripherals, LBIST/MBIST, ADC self-test, FCCU |
Pinout & Package
SPC5742PK1AMMM8 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's MPC574xP standard layout, supporting dual supply domains (VDD_IO, VDD_CORE), multiple I/O banks with configurable pull-up/down, and dedicated safety monitoring pins (e.g., SAFETY_RESET, FCCU_TRIG).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog power supply | 3.3 V ±5 % analog domain supply for ADC and analog comparators |
| VDDB | Backup domain supply | Independent 3.3 V rail for RTC and low-power wake-up circuitry |
| RESET_B | Active-low reset input | Asynchronous reset signal with internal debouncing and FCCU-controlled assertion |
| FCCU_TRIG | Safety trigger input | Dedicated pin to initiate fault containment actions via Fault Collection and Control Unit |
| ETM_CLK | Trace clock output | Provides synchronized clock for Nexus Class 3 debug trace capture |
| ETH_RXD0–3 | Ethernet receive data | Dedicated RMII/MII pins for time-sensitive networked safety communication |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Enables continuous comparison of instruction execution for immediate fault detection in ASIL-D applications |
| End-to-end ECC on Flash/SRAM/Crossbar | Protects against single-bit errors and detects multi-bit faults across memory and interconnect paths |
| FlexRay dual-channel controller | Supports time-triggered communication with deterministic latency for chassis domain controllers |
| SENT interface (4 channels) | Direct sensor interface for high-resolution position and pressure sensors without external ADC |
| Safe eDMA with 32 channels | Lockstep DMA transfers ensure data integrity during high-bandwidth peripheral operations (e.g., ADC sampling + CAN transmission) |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase control under varying load and temperature. IC Role / Device Role / Timing Role: Primary safety-critical controller executing ASIL-D software with lockstep core validation and fault containment. Use Value: Dual-core lockstep and FCCU enable <100 µs fault reaction time, meeting ISO 26262 requirements for steering actuation. | Use Scenario: High-speed crash event detection, squib firing sequencing, and occupant classification sensor fusion. IC Role / Device Role / Timing Role: Central safety MCU managing redundant sensor inputs, pyro driver outputs, and diagnostic reporting over FlexCAN/FlexRay. Use Value: Integrated ADC self-test and MBIST allow runtime verification of critical analog and memory paths before deployment. |
| Safety Domain Controller | Braking & Stability Control |
Use Scenario: Aggregating signals from ADAS cameras, radar, and vehicle dynamics sensors for cross-domain safety arbitration. IC Role / Device Role / Timing Role: Functional safety gateway with Ethernet and FlexRay interfaces, enforcing ASIL-B/D partitioning between domains. Use Value: Crossbar switch with E2E ECC ensures integrity of inter-domain message routing in distributed E/E architectures. | Use Scenario: Closed-loop ABS/ESC control with wheel speed acquisition, hydraulic valve actuation, and yaw rate compensation. IC Role / Device Role / Timing Role: Real-time motor and solenoid controller with FlexPWM timing precision ≤10 ns and SENT-based wheel speed decoding. Use Value: 4-channel SENT interface reduces external component count while maintaining 12-bit resolution for wheel speed 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 |
|---|---|---|---|
| SPC5744PK1AMMU8 | 2.5 MB flash, 384 KB RAM, same package and core architecture | Supports larger ASIL-D firmware images and extended diagnostics; higher memory overhead for dual-core safety stacks | Select when full 2.5 MB flash is required for bootloader + application + safety monitor partitioning |
| SPC5743PK1AMMU8 | 2 MB flash, 256 KB RAM, identical safety features and peripheral set | Balances memory headroom and cost for mid-tier safety ECUs (e.g., seatbelt pretensioners, lighting control) | Preferred for applications needing >1.5 MB flash but not requiring maximum memory capacity |
Compared with SPC5742PK1AMMM8, the SPC5744PK1AMMU8 offers greater flash/RAM for complex safety stacks and logging, while the SPC5743PK1AMMU8 provides intermediate memory scaling-both retain identical safety architecture, pinout, and ASIL-D certification scope.
Availability
SPC5742PK1AMMM8 is available at Aetrix Electronics and suitable for electric power steering, airbag control, and braking system applications requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for SPC5742PK1AMMM8 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MPC574xP product line delivers ASIL-D-capable Power Architecture MCUs designed specifically for safety-critical automotive control units including EPS, airbags, and chassis domain controllers.
FAQ
What is the maximum operating temperature for SPC5742PK1AMMM8?
The SPC5742PK1AMMM8 is qualified per AEC-Q100 Grade 1 with an ambient operating temperature range of –40°C to +125°C. This rating applies to the full device functionality including core execution, Flash programming, and peripheral operation. The part does not support the +135°C extended grade offered in some higher-memory variants like SPC5744P. Thermal derating is not required within this specified range.
Does SPC5742PK1AMMM8 support Ethernet communication?
Yes, the SPC5742PK1AMMM8 integrates a 10/100 Mbps Ethernet MAC with MII/RMII interface support. It enables time-sensitive networking for domain controller interconnect and OTA update pathways. The Ethernet subsystem operates under safety supervision via the Safety Lake and supports checksum offload and DMA coherency with the safe eDMA controller. Full Ethernet PHY interface requires external physical layer device.
Is SPC5742PK1AMMM8 pin-compatible with other MPC574xP variants?
Yes, the SPC5742PK1AMMM8 shares identical 144-pin LQFP mechanical and electrical pinout with SPC5741P, SPC5743P, and SPC5744P in the same package variant. All share matching power, ground, I/O, and safety pin assignments. Firmware portability is supported within the family, though memory-mapped register offsets and feature enable bits differ per variant and require configuration alignment.
What safety certifications apply to SPC5742PK1AMMM8?
The SPC5742PK1AMMM8 is designed to support ISO 26262 ASIL-D and IEC 61508 SIL3 functional safety standards. It includes hardware safety mechanisms such as dual-core lockstep, end-to-end ECC, FCCU, LBIST/MBIST, and ADC self-test. Certification evidence is provided in NXP's SafeAssure documentation suite. Final system-level certification remains the responsibility of the end equipment manufacturer.
Which development tools are officially supported for SPC5742PK1AMMM8?
NXP officially supports Green Hills MULTI and Wind River Workbench IDEs with SPC5742PK1AMMM8 device files, along with Lauterbach TRACE32 and iSystem winIDEA debuggers using Nexus Class 3 interface. Hardware evaluation is enabled via the SPC574xP Motherboard and daughter boards for FlexRay, CAN FD, and SENT sensor simulation. Runtime drivers for Flash, EEPROM, and safety libraries are included in SPC574xP SDK v3.x.
SPC5742PK1AMMM8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 257-LFBGA
- 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:
SPC5742PK1AMMM8 FAQ
1.How can I place an order for SPC5742PK1AMMM8 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PK1AMMM8 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 SPC5742PK1AMMM8 reliable?
The price and inventory of SPC5742PK1AMMM8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PK1AMMM8 is usually 5 days.
3.What payment methods are accepted for SPC5742PK1AMMM8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PK1AMMM8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PK1AMMM8?
SPC5742PK1AMMM8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PK1AMMM8 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 SPC5742PK1AMMM8?
For technical support, including SPC5742PK1AMMM8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PK1AMMM8 requirements.
6.How does Aetrix verify that SPC5742PK1AMMM8 is sourced from the original manufacturer or authorized distributors?
All SPC5742PK1AMMM8 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 SPC5742PK1AMMM8 meets industry standards.
7.What is the process for return or replacement of SPC5742PK1AMMM8?
All SPC5742PK1AMMM8 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PK1AMMM8, 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 SPC5742PK1AMMM8 part is unused and in its original packaging.
Return procedure for SPC5742PK1AMMM8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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