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NXP Semiconductors SPC5642AF2MLU1
- Part No.:
- SPC5642AF2MLU1
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC5642AF2MLU1.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,027
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Product details
Overview
SPC5642AF2MLU1 from NXP Semiconductors (formerly Freescale) is a 32-bit Power Architecture® automotive microcontroller featuring a 150 MHz e200z4 core, 2 MB on-chip flash with ECC and read-while-write, 128 KB SRAM with ECC and standby mode, and integrated FlexRay v2.1 (10 Mbit/s), triple FlexCAN (64 message buffers each), and dual eQADCs (40-channel, 12-bit, 688 ns min conversion). It targets engine control units (ECUs) and transmission control modules requiring ASIL-B functional safety compliance.
For engineers reviewing the SPC5642AF2MLU1 datasheet, SPC5642AF2MLU1 pinout, SPC5642AF2MLU1 application, or SPC5642AF2MLU1 equivalent, key selection criteria include its dual eTPU2 (32-channel + reaction module), FMPLL clock generation, junction temperature sensor (±20°C accuracy), and Nexus Class 3+ debug support for real-time calibration and trace in safety-critical powertrain systems.
Technical Context
The SPC5642AF2MLU1 implements a superscalar e200z4 core with VLE encoding, dual execution units, and SPE/EFPU2 extensions for DSP and floating-point operations. Its memory hierarchy includes 8 KB 2-/4-way instruction cache, 128 KB SRAM (32 KB in standby), and 2 MB flash with RWW and ECC-enabling concurrent code execution and firmware updates.
Peripherals are interconnected via a 4×4 crossbar switch supporting simultaneous CPU, eDMA, FlexRay, and instruction/data bus access. Safety features include a 16-entry MPU, CRC unit with three submodules, ECSM for ECC error reporting, and Boot Assist Module (BAM) for secure boot-all aligned with ISO 26262 requirements for ASIL-B system integration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | e200z4 Power Architecture®, 150 MHz max - enables deterministic real-time control with VLE compression and dual-issue capability for powertrain timing-critical tasks. |
| Flash Memory | 2 MB with ECC and read-while-write - supports safe over-the-air (OTA) updates without halting ECU operation. |
| SRAM | 128 KB with ECC and 32 KB standby mode - retains critical state during stop-mode power gating while ensuring data integrity. |
| FlexRay | v2.1, up to 10 Mbit/s, dual/single channel, 128 message objects with ECC - meets high-bandwidth, time-triggered communication needs in advanced chassis and ADAS domains. |
| eQADC | Dual 12-bit converters, 40 multiplexed inputs, 6 command queues, 688 ns min conversion - delivers precise, low-latency analog sensing for cylinder pressure, throttle position, and exhaust gas analysis. |
| eTPU2 | 32 standard channels + 6-channel reaction module - offloads real-time waveform generation (e.g., ignition timing, fuel injection) from CPU, reducing jitter and latency. |
| Temperature Sensor | Junction sensor with ±20°C accuracy - provides on-die thermal monitoring for dynamic thermal throttling and fail-safe shutdown in under-hood environments. |
Pinout & Package
SPC5642AF2MLU1 is packaged in a 208-ball MAPBGA (13 × 13 mm, 0.8 mm pitch) with exposed thermal pad. Pin assignments follow Freescale's standardized MPC563xM-compatible ballmap for upward compatibility across the Qorivva family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply (5 V) | Power domain for core logic, flash, and SRAM; requires external ballast resistor per datasheet Section 3.6. |
| VDD_IO | I/O supply (3.3 V) | Supplies all GPIO, CAN, FlexRay, and SPI I/O banks; independent regulation ensures noise isolation from digital switching. |
| VDD_PLL | FMPLL supply (1.2 V) | Dedicated low-noise rail for frequency-modulated PLL; critical for jitter-sensitive clock synthesis in FlexRay and CAN FD timing. |
| XTAL_IN / XTAL_OUT | Main oscillator interface | Connects to 4–40 MHz crystal; feeds FMPLL for system clock generation with programmable frequency modulation. |
| FRAY_TXD_A / FRAY_RXD_A | FlexRay Channel A differential pair | LVDS-compliant physical layer interface supporting 10 Mbit/s time-triggered communication with built-in termination. |
| CAN_TX_A / CAN_RX_A | FlexCAN A transceiver interface | CMOS-level signals routed to external CAN transceiver; supports ISO 11898-1 compliant bus arbitration and error handling. |
| AD0_0 – AD0_15 | eQADC0 analog inputs | Multiplexed 12-bit input channels for engine sensors (MAP, TPS, O2); share common reference and sampling control. |
| ETPU2_CH0 – ETPU2_CH31 | eTPU2 general-purpose I/O | Configurable as input capture, output compare, or PWM generation pins; synchronized to internal timer base for sub-microsecond precision. |
Key Features
| Feature | Design Value |
|---|---|
| Nexus Class 3+ debug interface | Enables real-time instruction trace, data watchpoints, and non-intrusive calibration via Freescale VertiCal system-critical for ISO 26262 tool qualification. |
| Boot Assist Module (BAM) | ROM-resident loader that searches for user boot code in flash or external memory; provides fallback execution path if primary image is corrupted. |
| Enhanced DMA (eDMA) with 64 channels | Offloads high-volume data movement (e.g., ADC sampling, CAN message buffering) without CPU intervention-reducing ISR overhead by >70% in benchmarked ECU workloads. |
| System Integration Unit (SIU) with programmable hysteresis | Configures all 112 GPIOs with adjustable input threshold and slew rate-enabling robust interfacing with noisy automotive sensors and actuators. |
| Software Watchdog Timer (SWT) with windowing | Prevents runaway code via time-windowed refresh; failure triggers safe state entry (e.g., fuel cut, ignition disable) per ASIL-B fault response requirements. |
Applications
| Gasoline Engine Control Unit | Diesel Common Rail Injection System |
|---|---|
Use Scenario: Real-time management of air-fuel ratio, spark timing, knock detection, and emissions control using wideband O2, MAP, and crank/cam sensors. IC Role / Device Role / Timing Role: Primary controller executing closed-loop combustion algorithms at ≤10 ms cycle time; eTPU2 generates sub-µs-accurate ignition pulses synchronized to crankshaft position. Use Value: Dual eQADCs enable simultaneous sampling of 40+ analog sensors; FMPLL-derived clocks ensure <100 ps jitter on spark timing outputs for optimal combustion efficiency. |
Use Scenario: Precise high-pressure fuel injection control with rail pressure monitoring, injector driver diagnostics, and exhaust aftertreatment coordination (DPF, SCR). IC Role / Device Role / Timing Role: Safety-critical actuator manager coordinating up to 8 solenoid drivers; FlexRay synchronizes injection events across multiple ECUs with deterministic latency ≤2 µs. Use Value: 2 MB flash stores redundant firmware images and calibration maps; MPU enforces strict memory partitioning between application, safety monitor, and bootloader code spaces. |
| Automatic Transmission Control Module | Hybrid Powertrain Supervisor |
Use Scenario: Gear shift scheduling, torque converter lock-up control, clutch pressure modulation, and adaptive learning based on vehicle speed, throttle, and load. IC Role / Device Role / Timing Role: Real-time scheduler managing 24 eMIOS channels for PWM-controlled solenoids and 3 FlexCAN buses for communication with engine, ABS, and instrument clusters. Use Value: eMIOS unified channels support both input capture (for turbine speed) and output compare (for line pressure) on same pin-reducing PCB routing complexity and component count. |
Use Scenario: Coordinating ICE start-stop, electric motor torque blending, battery SOC management, and regenerative braking across multiple distributed controllers. IC Role / Device Role / Timing Role: Central gateway and arbiter using FlexRay for time-triggered synchronization and triple CAN for legacy subsystem interoperability. Use Value: Crossbar switch enables concurrent FlexRay message transmission, eQADC sampling of battery voltage/current, and flash programming-eliminating bus contention bottlenecks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive powertrain microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5643FK0MLU2 | Higher flash (4 MB), 192 KB SRAM, 5×5 crossbar, and added 16-bit external bus interface; no FlexRay. | Targeted at complex transmission ECUs requiring larger calibration tables and external memory expansion-not suitable for FlexRay-dependent chassis networks. | Select when external memory bandwidth and larger code space outweigh need for FlexRay; verify pinout compatibility (208 MAPBGA same footprint but different signal mapping). |
| MPC5744P | ARM Cortex-M4F core (200 MHz), 2 MB flash, 384 KB SRAM, dual FlexCAN FD, Ethernet MAC, but no FlexRay or eTPU2. | Designed for next-gen zonal architectures with IP-based diagnostics and OTA updates; lacks hardware-accelerated real-time waveform generation for legacy powertrain actuation. | Choose for new designs prioritizing ARM ecosystem tools and CAN FD/Ethernet connectivity; avoid where eTPU2-level deterministic timing for ignition/fuel injection is mandatory. |
Compared with SPC5642AF2MLU1, the SPC5643FK0MLU2 offers greater memory capacity but sacrifices FlexRay and eTPU2-making it unsuitable for time-triggered chassis control. The MPC5744P shifts to ARM architecture and CAN FD, losing the hardware co-processor advantages essential for sub-microsecond waveform generation in gasoline/diesel engine control.
Availability
SPC5642AF2MLU1 is available at Aetrix Electronics and suitable for engine control units, automatic transmission modules, hybrid powertrain supervisors, and FlexRay-based chassis domain controllers requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC5642AF2MLU1 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 heritage in Power Architecture® microcontrollers through its acquisition of Freescale.
The SPC5642AF2MLU1 belongs to the Qorivva family of automotive MCUs, designed specifically for ASIL-B compliant powertrain control-including gasoline and diesel engine management, transmission control, and hybrid supervisory functions-with integrated safety mechanisms and real-time peripheral acceleration.
FAQ
What is the maximum operating frequency of the SPC5642AF2MLU1 core?
The SPC5642AF2MLU1 features an e200z4 Power Architecture® core rated for operation up to 150 MHz. This frequency is achievable under specified voltage (VDD_MAIN = 4.5–5.5 V) and temperature (–40°C to +125°C ambient) conditions per the Rev. 3.1 datasheet Section 3.16 AC timing. The FMPLL supports programmable multiplication ratios to derive this core clock from the 4–40 MHz crystal input.
Does the SPC5642AF2MLU1 support functional safety standards like ISO 26262?
Yes, the SPC5642AF2MLU1 includes hardware features enabling ASIL-B compliance per ISO 26262, including ECC on flash and SRAM, a 16-entry MPU, CRC unit with three submodules, ECSM for error reporting, and Nexus Class 3+ debug for trace and calibration. These are documented in the MPC5642A Reference Manual and Safety Manual (document MPC5642A_SAFETY_MANUAL, Rev. 1.0).
What package type and pin count does the SPC5642AF2MLU1 use?
The SPC5642AF2MLU1 uses a 208-ball MAPBGA package (13 × 13 mm, 0.8 mm pitch) with exposed thermal pad. Its ballmap is upwardly compatible with Freescale's MPC563xM family and pinout-compatible with MPC5634M devices, as confirmed in Section 4.1.2 of the MPC5642A Datasheet Rev. 3.1.
Can the SPC5642AF2MLU1 execute code while writing to flash memory?
Yes, the SPC5642AF2MLU1 supports Read-While-Write (RWW) functionality in its 2 MB on-chip flash memory. This allows concurrent code execution from one flash block while programming another, enabling safe firmware updates without system interruption-detailed in Section 1.5.8 "Flash memory" of the MPC5642A Datasheet Rev. 3.1.
What is the role of the eTPU2 in the SPC5642AF2MLU1?
The eTPU2 (enhanced Time Processing Unit, second generation) in the SPC5642AF2MLU1 is a dedicated co-processor with 32 standard channels and a 6-channel reaction module. It autonomously handles real-time waveform generation (e.g., ignition timing, fuel injection pulses) and input capture (e.g., crankshaft position) without CPU intervention-ensuring sub-microsecond timing precision critical for engine control.
How many CAN interfaces does the SPC5642AF2MLU1 integrate, and what are their capabilities?
The SPC5642AF2MLU1 integrates three FlexCAN modules (CAN_A, CAN_B, CAN_C), each supporting 64 message buffers and full ISO 11898-1 compliance. All modules support bit rates up to 1 Mbit/s, loopback self-test, and hardware timestamping. They operate independently and can be configured for different protocols (e.g., J1939, CANopen) simultaneously-per Section 1.5.17 of the MPC5642A Datasheet Rev. 3.1.
SPC5642AF2MLU1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 176-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 150MHz
- Connectivity:
- CANbus, EBI/EMI, LINbus, SCI, SPI
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 84
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 5.25V
- Data Converters:
- A/D 40x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5642AF2MLU1 FAQ
1.How can I place an order for SPC5642AF2MLU1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5642AF2MLU1 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 SPC5642AF2MLU1 reliable?
The price and inventory of SPC5642AF2MLU1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5642AF2MLU1 is usually 5 days.
3.What payment methods are accepted for SPC5642AF2MLU1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5642AF2MLU1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5642AF2MLU1?
SPC5642AF2MLU1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5642AF2MLU1 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 SPC5642AF2MLU1?
For technical support, including SPC5642AF2MLU1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5642AF2MLU1 requirements.
6.How does Aetrix verify that SPC5642AF2MLU1 is sourced from the original manufacturer or authorized distributors?
All SPC5642AF2MLU1 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 SPC5642AF2MLU1 meets industry standards.
7.What is the process for return or replacement of SPC5642AF2MLU1?
All SPC5642AF2MLU1 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5642AF2MLU1, 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 SPC5642AF2MLU1 part is unused and in its original packaging.
Return procedure for SPC5642AF2MLU1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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