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NXP Semiconductors SPC5634MF2MLU80
- Part No.:
- SPC5634MF2MLU80
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC5634MF2MLU80.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,250
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Product details
Overview
SPC5634MF2MLU80 from NXP Semiconductors (formerly Freescale) is an automotive-grade 32-bit Power Architecture® microcontroller featuring an e200z335 core, 80 MHz max operating frequency, 1.5 MB on-chip flash, 94 KB SRAM (32 KB standby), and integrated FlexCAN, eQADC, eTPU2, and FMPLL. It targets engine control units (ECUs), transmission control modules, and chassis domain controllers requiring ASIL-B functional safety support.
For engineers reviewing the SPC5634MF2MLU80 datasheet, SPC5634MF2MLU80 pinout, SPC5634MF2MLU80 application, or SPC5634MF2MLU80 equivalent, key selection considerations include its -40°C to 150°C junction temperature range, dual FlexCAN interfaces (32/64 message buffers), eQADC with differential 12-bit resolution at 500 kS/s, FMPLL with programmable frequency modulation, and Nexus Class 2 debug support for real-time calibration and trace.
Technical Context
The SPC5634MF2MLU80 implements a high-integrity automotive SoC architecture built on 90 nm CMOS. Its e200z335 core delivers in-order execution with SPE APU and IEEE 754-compatible FPU, while the FMPLL provides clock synthesis with lock detection, loss-of-clock monitoring, and triangle-wave frequency modulation for EMI reduction.
Peripherals are interconnected via an AMBA crossbar switch supporting concurrent CPU instruction/data access, eDMA transfers, and peripheral bridging. Safety-critical functions are reinforced by ECC on flash/SRAM, ECSM error reporting, dual FlexCAN with acceptance filtering, and hardware watchdogs (SWT + FMPLL/CQM reset triggers).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | e200z335 32-bit Power Architecture® CPU with SPE APU and scalar single-precision FPU |
| Max Frequency | 80 MHz (with ±2% frequency modulation up to 82 MHz); enables deterministic real-time response in powertrain timing loops |
| Flash Memory | 1.5 MB with 64-bit bus interface, dual-array architecture for EEPROM emulation, and Fetch Accelerator for zero-wait-state execution |
| SRAM | 94 KB total (32 KB on standby power supply), supporting low-power retention during STOP mode wake-up sequences |
| Operating Temp | -40°C to +150°C junction temperature range - qualified for under-hood automotive environments without derating |
| Supply Voltage | Single 4.5 V–5.25 V input with internal regulators generating 3.3 V I/O and 1.2 V core rails - simplifies board-level power design |
| eQADC Resolution | Dual RSD ADCs with 8/10/12-bit selectable resolution, differential inputs, VGA (×1/×2/×4), and 500 kS/s @ 10-bit accuracy - supports high-fidelity sensor acquisition for knock, pressure, and position sensing |
| FlexCAN Interfaces | Two independent CAN 2.0B controllers: one with 32, one with 64 message buffers - enables multi-bus communication in distributed ECU architectures |
Pinout & Package
SPC5634MF2MLU80 is packaged in a 176-pin LQFP (24 mm × 24 mm) with 0.5 mm pitch. The package supports full I/O functionality including 80 GPIOs managed by SIU, dual CAN transceiver interfaces, 34 analog input channels, and dedicated Nexus debug pins (TCK/TMS/TDI/TDO/TRST/Nexus_CLK).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_IO | I/O Power Supply | 4.5–5.25 V supply for all digital I/Os and analog peripherals; decoupling required per datasheet layout guidelines |
| VDD_CORE | Core Logic Supply | 1.2 V rail generated internally from VDD_IO via external bypass transistor - requires external 1.2 V regulator path |
| VRH/VRT | Analog Reference Inputs | High/low reference voltage inputs for eQADC; supports ratiometric sensor measurements and internal calibration |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 Interface | Differential CAN physical layer signals - require external CAN transceiver and termination for bus compliance |
| ETPU2_CH0–CH31 | eTPU2 Dedicated I/O Pins | 32 dedicated pins for time-critical motor control, ignition, and injection timing - each channel has independent capture/compare logic |
| NEXUS_TCK / TMS / TDI / TDO | Nexus Debug Interface | Class 2 real-time trace and calibration interface - supports non-intrusive code profiling and memory access during runtime |
Key Features
| Feature | Design Value |
|---|---|
| FMPLL with Frequency Modulation | Reduces electromagnetic interference via triangle-wave dithering of system clock - eliminates discrete EMI filter components in cost-sensitive ECUs |
| eTPU2 Co-processor | 32-channel intelligent timing engine with 24-bit resolution and angle-clock synchronization - offloads CPU from precise spark/fuel timing calculations |
| Redundant eQADC Architecture | Dual independent RSD ADCs with automatic calibration and timestamped results - enables safe sensor fusion and diagnostic cross-checking per ISO 26262 |
| ECC Protection | Hardware error correction on flash and SRAM - detects and corrects single-bit errors, reports double-bit faults to safety manager for ASIL-B compliance |
| Boot Assist Module (BAM) | Secure boot sequence supporting flash execution, external calibration memory load, and CAN/eSCI firmware download - enables field updates and production programming flexibility |
| Low-Power STOP Mode | Full clock gating with wake-up timer triggered by eMIOS or PIT - achieves sub-100 µA quiescent current for battery-conscious applications |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time management of fuel injection timing, spark advance, air-fuel ratio, and exhaust gas recirculation in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary controller executing AUTOSAR-compliant powertrain software stack with deterministic <120 ns interrupt latency at 80 MHz. Use Value: eTPU2 handles cylinder-specific ignition timing with nanosecond-level precision; eQADC acquires wideband O2 and knock sensor data at 500 kS/s with hardware timestamping for combustion analysis. |
Use Scenario: Closed-loop control of torque converter clutch, gear shifting, hydraulic pressure, and shift solenoids in automatic transmissions. IC Role / Device Role / Timing Role: Safety-aware controller managing ASIL-B diagnostics, dual FlexCAN buses for communication with ECU and body domain, and real-time PWM generation for solenoid drivers. Use Value: ECSM ECC and FMPLL lock-detect enable fault-tolerant operation; 94 KB SRAM supports large lookup tables for adaptive shift mapping and pressure compensation algorithms. |
| Chassis Domain Controller | Electric Power Steering (EPS) ECU |
Use Scenario: Integration of ABS, ESC, and active suspension functions requiring synchronized sensor fusion and actuator coordination across multiple CAN networks. IC Role / Device Role / Timing Role: Central domain controller aggregating wheel speed, yaw rate, and lateral acceleration data via dual FlexCAN, performing sensor fusion in real time. Use Value: Crossbar switch enables concurrent eQADC sampling, eDMA transfers, and CPU processing; Nexus Class 2 trace supports calibration of ESC stability algorithms in vehicle testing. |
Use Scenario: Torque assist calculation, motor phase control, and steering angle feedback processing in brushless DC motor-based EPS systems. IC Role / Device Role / Timing Role: High-precision motion controller using eTPU2 for 3-phase commutation timing and eMIOS for PWM generation with dead-time insertion. Use Value: Dual eQADC channels acquire motor current and position sensor signals simultaneously; 1.5 MB flash stores multiple assist maps and fail-safe torque limiters for functional safety compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5634MF2MLU64 | Same die, 176-pin LQFP but with 64 KB RAM (vs. 94 KB) and 1 MB flash (vs. 1.5 MB); identical peripherals and clocking | Targeted at cost-optimized ECUs with reduced calibration data storage and smaller AUTOSAR OS footprint | Select when memory requirements are lower and BOM cost is prioritized over future software scalability |
| SPC564A70L7 | Successor family (SPC564x) with e200z4d core, 120 MHz, 2 MB flash, 256 KB RAM, and enhanced safety features (lockstep cores, more ECC coverage) | Designed for ASIL-D applications requiring higher compute throughput and expanded safety mechanisms beyond ASIL-B | Choose for next-generation platforms needing higher performance, larger memory, and certified functional safety beyond SPC5634M capabilities |
Compared with SPC5634MF2MLU80, the SPC5634MF2MLU64 offers identical timing and peripheral compatibility at reduced memory capacity, while the SPC564A70L7 delivers higher performance and ASIL-D readiness at the cost of software migration effort and increased bill-of-materials complexity.
Availability
SPC5634MF2MLU80 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and chassis domain controllers requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC5634MF2MLU80 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 expertise in Power Architecture® and functional safety.
The SPC5634M series was designed specifically for cost-sensitive, high-reliability automotive powertrain and chassis control applications, extending the MPC5500 family with enhanced timing peripherals, safety features, and EMI-optimized clocking.
FAQ
What is the maximum operating temperature specification for the SPC5634MF2MLU80?
The SPC5634MF2MLU80 is rated for a junction temperature range of -40°C to +150°C. This specification is validated per AEC-Q100 Grade 1 qualification and enables direct placement in under-hood environments without thermal derating. The device's on-chip temperature sensor provides real-time die temperature monitoring with ±20°C accuracy, supporting thermal management algorithms in engine control applications.
Does the SPC5634MF2MLU80 support AUTOSAR-compliant software stacks?
Yes, the SPC5634MF2MLU80 supports AUTOSAR 4.x-compliant software stacks through its hardware features: STM and PIT timers meet AUTOSAR task monitoring requirements, eDMA enables efficient memory-mapped peripheral access, and Nexus Class 2 debug facilitates real-time OS tracing. The 94 KB SRAM and 1.5 MB flash provide sufficient resources for MCAL drivers, RTE, and application layers in typical powertrain configurations.
How does the FMPLL in the SPC5634MF2MLU80 reduce electromagnetic interference?
The FMPLL in the SPC5634MF2MLU80 reduces EMI by applying programmable triangle-wave frequency modulation to the system clock output. This spreads spectral energy across a narrow band, lowering peak emissions by up to 10 dB compared to fixed-frequency operation. The modulation depth and frequency are register-configurable, allowing optimization for specific board-level EMC test conditions without hardware changes.
What safety mechanisms are implemented in the SPC5634MF2MLU80 for ASIL-B compliance?
The SPC5634MF2MLU80 incorporates multiple hardware safety mechanisms for ASIL-B compliance: ECC on flash and SRAM with error reporting via ECSM, FMPLL lock detection and CQM loss-of-clock monitoring with configurable reset/interrupt, dual FlexCAN with independent message buffers for redundancy, and Nexus Class 2 debug for runtime verification. These features are documented in the SPC5634M Functional Safety Manual (FSM) and supported by NXP's ISO 26262-certified development process.
Can the SPC5634MF2MLU80 execute code directly from external memory?
No, the SPC5634MF2MLU80 does not support direct code execution from external memory. Its Boot Assist Module (BAM) enables loading and execution of calibration data or firmware images from external memory via the calibration EBI, but only the on-chip 1.5 MB flash is executable. External memory access is limited to data transfers using DMA or CPU loads/stores, consistent with its SoC architecture and automotive safety requirements.
SPC5634MF2MLU80 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:
- e200z3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, EBI/EMI, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 80
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 94K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.25V
- Data Converters:
- A/D 34x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5634MF2MLU80 FAQ
1.How can I place an order for SPC5634MF2MLU80 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5634MF2MLU80 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 SPC5634MF2MLU80 reliable?
The price and inventory of SPC5634MF2MLU80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5634MF2MLU80 is usually 5 days.
3.What payment methods are accepted for SPC5634MF2MLU80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5634MF2MLU80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5634MF2MLU80?
SPC5634MF2MLU80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5634MF2MLU80 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 SPC5634MF2MLU80?
For technical support, including SPC5634MF2MLU80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5634MF2MLU80 requirements.
6.How does Aetrix verify that SPC5634MF2MLU80 is sourced from the original manufacturer or authorized distributors?
All SPC5634MF2MLU80 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 SPC5634MF2MLU80 meets industry standards.
7.What is the process for return or replacement of SPC5634MF2MLU80?
All SPC5634MF2MLU80 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5634MF2MLU80, 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 SPC5634MF2MLU80 part is unused and in its original packaging.
Return procedure for SPC5634MF2MLU80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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