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NXP Semiconductors SPC5644AF0MLU1
- Part No.:
- SPC5644AF0MLU1
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC5644AF0MLU1.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,176
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Product details
Overview
SPC5644AF0MLU1 from NXP Semiconductors (formerly Freescale) is a 32-bit Power Architecture® microcontroller with a 150 MHz e200z4 core, 4 MB on-chip flash with ECC and Read-While-Write, 192 KB SRAM with ECC and standby mode, and integrated FlexRay v2.1 (10 Mbit/s), triple FlexCAN (64 messages each), and dual eQADCs supporting 40 12-bit channels - deployed in automotive powertrain control units requiring ASIL-B functional safety compliance.
For engineers reviewing the SPC5644AF0MLU1 datasheet, SPC5644AF0MLU1 pinout, SPC5644AF0MLU1 application, or SPC5644AF0MLU1 equivalent, key selection criteria include its eTPU2-based timing-critical peripheral offload capability, FMPLL with frequency modulation for EMI reduction, Nexus Class 3+ debug support, junction temperature sensor (±20°C accuracy), and 176-pin LQFP package with 120 GPIO lines programmable for input/output/special function.
Technical Context
The SPC5644AF0MLU1 implements a superscalar e200z4 core with VLE encoding, dual execution units, and SPE/FP support - enabling up to 2 integer or FP instructions per cycle and 4 MAC operations per cycle. Its memory subsystem includes an 8 KB configurable (2-/4-way) instruction cache, 5×4 crossbar switch, 24-entry MMU, and 16-entry MPU for memory protection.
Peripherals are tightly coupled via dedicated bus masters: eDMA (64-channel), FlexRay (dual/single channel, 128 message objects, ECC), eTPU2 (32 standard + 6-reaction channels), and eMIOS (24 unified channels). Clocking uses an on-chip 4–40 MHz oscillator and FMPLL with lock detection, clock quality monitoring, and programmable triangle-wave modulation (0–2% depth, up to 100 kHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | e200z4 Power Architecture®, 150 MHz max, VLE encoding, superscalar dual-issue |
| Flash Memory | 4 MB with ECC, Read-While-Write, 128-bit program page, single-bit correction/double-bit detection |
| SRAM | 192 KB with ECC and 32 KB standby retention mode |
| FlexRay | v2.1 compliant, 10 Mbit/s, dual or single channel, 128 message objects with ECC |
| eQADC | Dual 12-bit converters, 40 multiplexed input channels, 6 command queues, 688 ns min conversion time |
| Package | 176-pin LQFP (24 × 24 mm), pinout compatible with MPC5634M and MPC5534 |
| Temperature Sensor | On-die junction sensor with ±20°C accuracy over full operating range |
Pinout & Package
SPC5644AF0MLU1 is housed in a 176-pin LQFP (24 × 24 mm) package with exposed thermal pad. Pin assignments follow Freescale's standardized MPC5xxx family layout, supporting drop-in compatibility with MPC5634M and MPC5534 devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply rail | 5 V nominal input; powers core logic, I/O banks, and internal regulators |
| VDD_IO | I/O supply rail | 3.3 V nominal; independent of VDD_MAIN for mixed-voltage interface flexibility |
| VRST | Reset input | Active-low asynchronous reset; supports glitch filtering and critical interrupt routing |
| EVTO | External trigger output | Nexus debug trigger signal used for synchronized data acquisition with external tools |
| CLKIN | Oscillator input | Accepts 4–40 MHz crystal or external clock; feeds FMPLL for system clock generation |
| FRAY_TXD_A / FRAY_RXD_A | FlexRay Channel A differential pair | LVDS-compatible physical layer interface for deterministic, fault-tolerant automotive networking |
Key Features
| Feature | Design Value |
|---|---|
| eTPU2 engine | 32-channel real-time timing co-processor with reaction module (6 channels × 3 outputs) for precise PWM, capture, and waveform generation without CPU load |
| FMPLL modulation | Programmable triangle-wave frequency modulation (0–2% depth, ≤100 kHz) reduces electromagnetic interference in high-noise automotive environments |
| Nexus Class 3+ | Full real-time trace, data watchpoints, and instruction trace for e200z4 core - enabling ISO 26262-compliant debugging and verification |
| Memory Protection Unit | 16-region hardware MPU enforcing read/write/execute permissions per supervisor/user mode, critical for ASIL-B partitioning and runtime integrity |
| Boot Assist Module (BAM) | On-chip CAN/SCI/FlexRay bootloader enabling field firmware updates without external programming hardware |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection sequencing, and knock detection in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary controller executing ASIL-B safety-critical algorithms with eTPU2 managing cam/crank signal conditioning and injector firing windows. Use Value: Sub-microsecond eTPU2 reaction latency ensures ±1° crank-angle timing precision under transient load conditions. | Use Scenario: Clutch pressure control, gear shift scheduling, and torque converter lock-up management in automatic transmissions. IC Role / Device Role / Timing Role: Central decision engine interfacing with hydraulic solenoids via eMIOS PWM and monitoring position sensors via dual eQADCs. Use Value: 688 ns ADC conversion time enables closed-loop solenoid current control at >10 kHz update rates. |
| Electric Power Steering (EPS) | Brake Control Unit (BCU) |
Use Scenario: Motor torque assist calculation, steering angle compensation, and fault response in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-managed host processor running RTOS with FlexRay for distributed actuator coordination and CRC-protected memory access. Use Value: 16-entry MPU enforces strict memory isolation between ASIL-B motor control and ASIL-C diagnostic partitions. | Use Scenario: ABS/EBD pressure modulation, yaw stability intervention, and brake-by-wire actuation in integrated chassis controllers. IC Role / Device Role / Timing Role: Dual FlexCAN interfaces handle redundant communication with wheel speed sensors and hydraulic modulators; eQADC monitors brake fluid pressure transducers. Use Value: Triple CAN controllers with 64-message buffers prevent message loss during high-priority braking events at 1 Mbps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5643L | Same e200z4 core, 150 MHz, but only 2 MB flash, no FlexRay, reduced eQADC channels (34), and 16 KB eTPU RAM vs. 14+3 KB | Lacks FlexRay and has lower memory bandwidth - suitable for cost-sensitive non-FlexRay ECUs like HVAC or body control | Select when FlexRay is not required and ASIL-B compliance can be met with simplified peripheral set |
| SPC560P50L5 | e200z0 core (80 MHz), 1 MB flash, no eTPU2 or FlexRay, single eQADC (24 channels), 64-pin LQFP | Targeted at entry-level powertrain modules with lower computational demand and no deterministic networking needs | Choose for legacy platform migration where footprint and toolchain compatibility outweigh performance requirements |
Compared with SPC5644AF0MLU1, MPC5643L offers reduced integration (no FlexRay, less flash/SRAM) for cost-constrained ECUs, while SPC560P50L5 targets simpler applications with lower clock speed, memory, and peripheral count - neither provides the full FlexRay + eTPU2 + 4 MB flash combination essential for next-generation powertrain domain controllers.
Availability
SPC5644AF0MLU1 is available at Aetrix Electronics and suitable for automotive powertrain control, electric power steering, and brake control units requiring stable component supply across extended product lifecycles and rigorous qualification standards.
Supply support for SPC5644AF0MLU1 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 heritage in Power Architecture® MCU development.
The SPC5644AF0MLU1 belongs to the Qorivva MPC56xx family - engineered specifically for ASIL-B automotive powertrain and chassis control, emphasizing real-time determinism, functional safety, and robust EMI resilience in harsh environments.
FAQ
What is the maximum operating frequency of the SPC5644AF0MLU1 core?
The SPC5644AF0MLU1 features a 150 MHz e200z4 Power Architecture® core. This maximum frequency is achievable under specified voltage (5 V main supply) and temperature conditions (-40°C to 125°C ambient), and requires proper FMPLL configuration with stable 4–40 MHz reference clock input. The core supports variable-length encoding and superscalar execution to sustain high instruction throughput at this clock rate.
Does the SPC5644AF0MLU1 support functional safety standards such as ISO 26262?
Yes, the SPC5644AF0MLU1 is designed to support ASIL-B compliance per ISO 26262. It includes hardware safety mechanisms such as ECC on flash and SRAM, a 16-entry MPU for memory partitioning, CRC units with three sub-modules, lock-detect and clock-quality monitoring in the FMPLL, and Nexus Class 3+ debug for trace-based verification - all documented in Freescale's SPC5644A Functional Safety Manual (document SPC5644A_FS).
What packages are available for the SPC5644AF0MLU1, and which one does this part number correspond to?
The SPC5644AF0MLU1 is specifically the 176-pin LQFP (24 × 24 mm) variant. Other MPC5644A variants include 208 MAPBGA and 324 TEPBGA packages, but the "LU1" suffix in SPC5644AF0MLU1 denotes the LQFP option. This package is pinout-compatible with MPC5634M and MPC5534, enabling reuse of existing PCB layouts in certain upgrade paths.
Can the SPC5644AF0MLU1 operate from a single 5 V supply?
Yes, the SPC5644AF0MLU1 supports single 5 V supply operation when using the 176-pin LQFP package. In this configuration, internal voltage regulators generate required 3.3 V (I/O) and 1.2 V (core) rails. External ballast components are required per Freescale's recommended regulator design - detailed in Section 3.6.2 of the MPC5644A datasheet Rev. 7.
What is the role of the Development Trigger Semaphore (DTS) in the SPC5644AF0MLU1?
The Development Trigger Semaphore (DTS) in the SPC5644AF0MLU1 is a 32-bit register-based synchronization mechanism used during debug and data acquisition. It enables coordinated triggering between the e200z4 core and external test equipment via the EVTO pin. DTS supports timestamped, multi-point trace capture and is integral to Nexus Class 3+ real-time trace workflows - allowing precise correlation of software execution with hardware events in safety-critical validation.
SPC5644AF0MLU1 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:
- 4MB (4M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K 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:
SPC5644AF0MLU1 FAQ
1.How can I place an order for SPC5644AF0MLU1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5644AF0MLU1 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 SPC5644AF0MLU1 reliable?
The price and inventory of SPC5644AF0MLU1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5644AF0MLU1 is usually 5 days.
3.What payment methods are accepted for SPC5644AF0MLU1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5644AF0MLU1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5644AF0MLU1?
SPC5644AF0MLU1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5644AF0MLU1 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 SPC5644AF0MLU1?
For technical support, including SPC5644AF0MLU1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5644AF0MLU1 requirements.
6.How does Aetrix verify that SPC5644AF0MLU1 is sourced from the original manufacturer or authorized distributors?
All SPC5644AF0MLU1 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 SPC5644AF0MLU1 meets industry standards.
7.What is the process for return or replacement of SPC5644AF0MLU1?
All SPC5644AF0MLU1 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5644AF0MLU1, 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 SPC5644AF0MLU1 part is unused and in its original packaging.
Return procedure for SPC5644AF0MLU1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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