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NXP Semiconductors SPC5644AF0MLU3
- Part No.:
- SPC5644AF0MLU3
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC5644AF0MLU3.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:102
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Product details
Overview
SPC5644AF0MLU3 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, 192 KB SRAM with ECC and standby, triple FlexCAN interfaces (64 messages each), FlexRay v2.1 (10 Mbit/s), and dual eQADCs supporting 40 12-bit channels - deployed in automotive powertrain control units requiring ASIL-B functional safety compliance.
For engineers reviewing the SPC5644AF0MLU3 datasheet, SPC5644AF0MLU3 pinout, SPC5644AF0MLU3 application, or SPC5644AF0MLU3 equivalent, key selection criteria include eTPU2 timing precision for ignition control, FMPLL jitter performance under temperature variation, FlexRay dual-channel redundancy support, junction temperature sensor accuracy (±20°C), and MPU-protected memory partitioning for ISO 26262 software separation.
Technical Context
The SPC5644AF0MLU3 implements a superscalar e200z4 core with VLE encoding, dual execution units, and SPE/FP support - enabling up to 2 integer or floating-point instructions per cycle and 4 MAC operations per cycle. Its 5×4 crossbar switch routes traffic among CPU instruction/data buses, eDMA, FlexRay, and EBI to four slave ports (Flash, SRAM, Calibration/EBI bus, Peripheral Bridge).
It integrates fail-safe hardware including a 16-entry MPU, CRC unit with three sub-modules, and a junction temperature sensor. The clock system combines a 4–40 MHz crystal oscillator with an FMPLL offering programmable triangle-wave frequency modulation (0–2% depth, up to 100 kHz), lock detection, and Clock Quality Module for crystal/PLL output fault monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | e200z4 Power Architecture®, 150 MHz max - enables deterministic real-time execution of complex powertrain algorithms with SPE acceleration. |
| Flash Memory | 4 MB with ECC and Read-While-Write - supports safe over-the-air updates without halting critical control loops. |
| SRAM | 192 KB with ECC and 32 KB standby mode - retains safety-critical context during stop-mode transitions. |
| FlexRay | V2.1, dual-channel, 128 message objects, ECC - provides time-triggered communication for brake-by-wire and steer-by-wire systems. |
| eQADC | Two 12-bit converters, 40 multiplexed inputs, 688 ns min conversion - meets fast-sampling requirements for wideband knock detection. |
| Temperature Sensor | Junction sensor with ±20°C accuracy - enables thermal derating of engine control outputs per ISO 26262 ASIL-B requirements. |
| Package | 208-pin MAPBGA (17 mm × 17 mm) - matches standard automotive PCB layout footprints for MPC5xxx family compatibility. |
Pinout & Package
SPC5644AF0MLU3 is housed in a 208-ball MAPBGA package (17 mm × 17 mm, 0.8 mm pitch), designed for automotive-grade thermal dissipation and mechanical reliability under extended temperature operation (–40°C to +125°C). Ballmap conforms to Freescale's standardized MPC5xxx family upward-compatible layout used across MPC5554, MPC5567, and MPC5666 devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply (5 V) | Power domain for core logic, I/O, and analog peripherals - requires external ballast resistor for voltage regulation. |
| VDD_IO | I/O supply (3.3 V) | Independent rail for GPIO and serial interface levels - enables mixed-voltage system interfacing. |
| VDD_RTC | Real-time clock supply (1.2 V) | Dedicated low-noise domain for RTC and standby SRAM retention - isolated from switching noise sources. |
| VRST | Reset input | Asynchronous active-low reset with glitch filtering - initiates full system initialization including MPU and flash controller reset. |
| EVTO | External trigger output | Nexus Class 3+ debug trace synchronization signal - used for triggered data acquisition with external tools like Lauterbach TRACE32. |
| FRAY_TXA / FRAY_RXA | FlexRay Channel A differential pair | LVDS-compliant physical layer interface - supports 10 Mbit/s time-triggered communication with built-in error correction. |
Key Features
| Feature | Design Value |
|---|---|
| eTPU2 with 32 channels | Enables precise, autonomous timing control of ignition events, fuel injection pulses, and camshaft position decoding without CPU intervention. |
| FMPLL with frequency modulation | Reduces electromagnetic emissions by spreading spectral energy - critical for meeting CISPR 25 Class 5 automotive EMC requirements. |
| Boot Assist Module (BAM) | Supports CAN/SCI/FlexRay-based firmware loading - eliminates need for JTAG during field updates and production programming. |
| Nexus Class 3+ debug | Provides real-time trace, data watchpoints, and non-intrusive profiling - essential for ASIL-B software validation and certification evidence generation. |
| Memory Protection Unit (MPU) | 16-region hardware-enforced access control - isolates safety-critical control tasks from diagnostics and communication stacks per ISO 26262 partitioning requirements. |
Applications
| Gasoline Engine Control Unit (ECU) | Diesel Common Rail Control |
|---|---|
Use Scenario: Real-time management of spark timing, air-fuel ratio, throttle actuation, and OBD-II diagnostics in inline-4 and V6 gasoline engines. IC Role / Device Role / Timing Role: Primary host controller executing closed-loop combustion control at 10 ms cycle intervals with sub-microsecond eTPU2 timing resolution for coil dwell control. Use Value: 4 MB flash enables storage of multiple calibration maps and fail-safe limp-home strategies; FlexRay dual-channel redundancy ensures uninterrupted torque delivery during transient faults. | Use Scenario: High-precision pressure control of common rail fuel systems operating up to 2500 bar, with synchronized injector driver sequencing and rail pressure feedback. IC Role / Device Role / Timing Role: Safety-certified master controller coordinating up to six solenoid injectors via eTPU2 reaction module outputs with <1 µs jitter tolerance. Use Value: Dual eQADCs sample rail pressure sensors at 1.45 MS/s with hardware-triggered DMA transfers - eliminating CPU overhead and ensuring deterministic response to pressure transients. |
| Brake-by-Wire Actuator Controller | Electric Power Steering (EPS) ECU |
Use Scenario: Redundant actuation of electro-hydraulic brake valves with independent monitoring paths and fail-operational behavior per ISO 26262 ASIL-D decomposition. IC Role / Device Role / Timing Role: Dual-core-equivalent execution environment using MPU-protected partitions - one for primary control, one for independent monitor checking torque commands and valve position feedback. Use Value: FlexRay v2.1 with ECC and 128 message objects delivers deterministic 5 ms cycle times and end-to-end CRC protection - meeting brake system latency and integrity requirements. | Use Scenario: Torque assist calculation, motor phase current control, and road feel emulation in column-assist and rack-assist EPS systems. IC Role / Device Role / Timing Role: Real-time motor control processor running FOC algorithms at 20 kHz PWM frequency while simultaneously managing CAN FD communication with vehicle network. Use Value: 150 MHz e200z4 core with SPE acceleration executes vector math for Park-Transform and PI regulators within 2 µs - enabling high-bandwidth steering response without jitter-induced vibration. |
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 but 2 MB flash, no FlexRay, single eQADC, 144 LQFP only - lacks ASIL-B certified safety mechanisms and dual-channel redundancy. | Suitable for cost-sensitive body control modules where FlexRay and high-resolution ADC are unnecessary. | Select only when FlexRay, 4 MB flash, or dual eQADC are not required - not suitable for powertrain or chassis safety-critical functions. |
| SPC560P50L5 | Lower-performance e200z0 core (64 MHz), 1 MB flash, no eTPU2 or FlexRay, 100-pin LQFP - targets entry-level powertrain applications with reduced feature set. | Used in two-wheel vehicle ECUs and small-displacement engine controllers where full SPC5644A capability is over-specified. | Choose for non-safety-critical applications with simpler timing and communication needs - does not support ASIL-B development flow. |
Compared with MPC5643L and SPC560P50L5, the SPC5644AF0MLU3 delivers higher computational throughput, integrated FlexRay v2.1 for time-triggered chassis networks, and hardware safety features (MPU, CRC, ECC) required for ASIL-B certification - making it the only option among the three qualified for gasoline/diesel powertrain control.
Availability
SPC5644AF0MLU3 is available at Aetrix Electronics and suitable for automotive powertrain control, brake-by-wire systems, electric power steering ECUs, and industrial motion controllers requiring stable component supply across extended product lifecycles.
Supply support for SPC5644AF0MLU3 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 formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The SPC5644AF0MLU3 belongs to the Qorivva MPC56xx family - engineered specifically for ASIL-B compliant automotive powertrain and chassis control applications, with integrated safety mechanisms, high-speed deterministic peripherals, and robust qualification for extended temperature operation.
FAQ
What is the maximum operating frequency of the SPC5644AF0MLU3 core?
The SPC5644AF0MLU3 features a 150 MHz e200z4 Power Architecture® core. This maximum frequency is achievable under specified voltage (5 V main supply) and temperature (–40°C to +125°C) conditions, and is validated with the on-chip FMPLL locked to its target output. The core supports variable-length encoding (VLE) and superscalar execution to sustain high instruction throughput at this clock rate.
Does the SPC5644AF0MLU3 support ISO 26262 ASIL-B compliance out of the box?
The SPC5644AF0MLU3 includes hardware safety features required for ASIL-B development - including a 16-entry MPU, ECC on flash and SRAM, CRC unit with three sub-modules, and Nexus Class 3+ debug trace. However, ASIL-B compliance depends on system-level implementation, software architecture, and certification evidence generation - the SPC5644AF0MLU3 provides the foundational hardware capabilities needed to achieve it.
What packages are available for the SPC5644AF0MLU3, and which one does this part number correspond to?
The SPC5644AF0MLU3 is specifically the 208-ball MAPBGA variant (17 mm × 17 mm, 0.8 mm pitch). Other MPC5644A variants include 176 LQFP and 324 TEPBGA packages, but the 'LU3' suffix in SPC5644AF0MLU3 unambiguously identifies the MAPBGA configuration with automotive-grade thermal and mechanical specifications.
Can the SPC5644AF0MLU3 be programmed via CAN or FlexRay without JTAG?
Yes, the SPC5644AF0MLU3 includes a Boot Assist Module (BAM) that supports firmware loading over CAN, SCI, or FlexRay interfaces - enabling field updates and production programming without physical JTAG access. This capability is implemented in ROM and activated via specific boot pin configurations, making it integral to the SPC5644AF0MLU3's design for automotive serviceability.
What is the role of the eTPU2 peripheral in the SPC5644AF0MLU3?
The eTPU2 (enhanced Time Processing Unit, second generation) in the SPC5644AF0MLU3 provides 32 autonomous timing channels capable of executing complex waveform generation, capture, and processing tasks - such as ignition coil dwell control, fuel injector pulse shaping, and cam/crank signal decoding - independently of the main CPU. This offloads deterministic real-time timing tasks from the e200z4 core, reducing jitter and improving overall system responsiveness.
SPC5644AF0MLU3 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:
- 80MHz
- 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:
SPC5644AF0MLU3 FAQ
1.How can I place an order for SPC5644AF0MLU3 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5644AF0MLU3 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 SPC5644AF0MLU3 reliable?
The price and inventory of SPC5644AF0MLU3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5644AF0MLU3 is usually 5 days.
3.What payment methods are accepted for SPC5644AF0MLU3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5644AF0MLU3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5644AF0MLU3?
SPC5644AF0MLU3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5644AF0MLU3 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 SPC5644AF0MLU3?
For technical support, including SPC5644AF0MLU3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5644AF0MLU3 requirements.
6.How does Aetrix verify that SPC5644AF0MLU3 is sourced from the original manufacturer or authorized distributors?
All SPC5644AF0MLU3 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 SPC5644AF0MLU3 meets industry standards.
7.What is the process for return or replacement of SPC5644AF0MLU3?
All SPC5644AF0MLU3 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5644AF0MLU3, 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 SPC5644AF0MLU3 part is unused and in its original packaging.
Return procedure for SPC5644AF0MLU3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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