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NXP Semiconductors SPC5634MF2MLQ80
- Part No.:
- SPC5634MF2MLQ80
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5634MF2MLQ80.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,356
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Product details
Overview
SPC5634MF2MLQ80 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 with frequency modulation. It targets engine control units (ECUs) requiring high-integrity real-time signal processing and deterministic timing.
For engineers reviewing the SPC5634MF2MLQ80 datasheet, SPC5634MF2MLQ80 pinout, SPC5634MF2MLQ80 application, or SPC5634MF2MLQ80 equivalent, key selection considerations include its -40°C to 150°C junction temperature rating, dual FlexCAN interfaces (32/64 message buffers), eQADC differential conversion at up to 1 MSample/s, FMPLL loss-of-lock detection with reset capability, and Nexus Class 2 debug support for AUTOSAR-compliant development.
Technical Context
The SPC5634MF2MLQ80 implements a statically scheduled, in-order e200z335 core compliant with Power Architecture Book E, supporting SPE APU for SIMD integer/floating-point operations and IEEE 754 single-precision FPU with software double-precision extension. Its memory subsystem includes 64-bit wide flash interface with Fetch Accelerator enabling single-cycle access at 80 MHz and dual-array architecture for concurrent read/erase.
Real-time peripherals are tightly coupled via AMBA crossbar: eTPU2 (32 channels, 24-bit resolution, angle-clock sync with eMIOS), eQADC (two RSD ADCs, 341 input channels, angular decimation, zero-jitter queue 0 triggering), and FMPLL with programmable triangle-wave modulation, lock detect, and clock quality monitor (CQM) for fail-safe clock supervision.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | e200z335 32-bit Power Architecture CPU with SPE APU and IEEE 754 single-precision FPU - enables deterministic DSP-intensive engine control algorithms without external coprocessor. |
| Max Frequency | 80 MHz (±2% FM modulation up to 82 MHz) - supports real-time execution of AUTOSAR OS tasks and safety-critical control loops within strict timing budgets. |
| Flash Memory | 1.5 MB with dual-array architecture and 16 KB shadow block - allows EEPROM emulation and safe over-the-air (OTA) firmware updates without runtime interruption. |
| SRAM | 94 KB total (32 KB on standby power) - retains critical calibration data and state variables during stop-mode wake-up sequences. |
| Operating Temp | -40°C to +150°C junction temperature - certified for under-hood deployment in gasoline/diesel powertrain applications per AEC-Q100 Grade 1. |
| eQADC Performance | 1 MSample/s at 8-bit differential resolution (ADC_CLK = 15 MHz) with VGA gain ×1/×2/×4 - captures high-fidelity knock sensor waveforms for real-time combustion analysis. |
| FlexCAN Interfaces | Two CAN 2.0B controllers: one with 32, one with 64 message buffers - supports multi-bus vehicle networks with prioritized transmission and hardware acceptance filtering. |
| Debug Interface | Nexus Class 2 compliant (IEEE-ISTO 5001-2003) with run-time memory access and data watchpoints - enables non-intrusive calibration and fault injection testing per ISO 26262 ASIL-B/D tool qualification requirements. |
Pinout & Package
SPC5634MF2MLQ80 is packaged in a 176-pin LQFP (24 mm × 24 mm) with 0.5 mm pitch, designed for automotive PCB layouts requiring thermal robustness and mechanical reliability under vibration. The package supports 80 GPIOs managed by SIU with per-pin configurable drive strength, slew rate, hysteresis, and weak pull-up/down.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main power supply input | Accepts 4.5 V–5.25 V; powers internal 3.3 V and 1.2 V regulators - eliminates need for external DC-DC stages in 5 V automotive systems. |
| VRH/VRP | eQADC reference voltage inputs | Supports external 5 V reference or internal 25%/75% VREF taps - enables ratiometric sensor measurements with <±20°C temperature sensor accuracy. |
| CAN0_TX / CAN0_RX | FlexCAN 0 differential transceiver interface | Direct connection to ISO 11898-2 physical layer - supports 1 Mbps CAN FD-ready communication with hardware bit timing and loopback test modes. |
| ETPU2_CH00–CH31 | eTPU2 dedicated I/O channels | 32 independent, angle-synchronized timer channels with double-match capture - executes ignition timing, fuel injection, and valve control with sub-microsecond jitter. |
| NEXUS_TDI / TDO / TCK / TMS | Nexus debug port signals | Class 2 real-time trace and memory access - enables production-line flash programming and post-deployment diagnostic logging without halting CPU operation. |
| RESET_IN | Asynchronous reset input | Active-low, Schmitt-triggered with internal pull-up - meets ISO 16750-2 pulse test requirements for cold cranking and load dump immunity. |
Key Features
| Feature | Design Value |
|---|---|
| FMPLL with CQM and lock detect | Generates system clock with programmable triangle-wave modulation and triggers reset/interrupt on loss-of-clock - ensures fail-safe shutdown during oscillator failure per ISO 26262 ASIL-D requirements. |
| eTPU2 + eMIOS time/angle synchronization | Shared time or angle counter bus enables coordinated PWM generation and analog sampling aligned to crankshaft position - eliminates software interpolation errors in cylinder-specific combustion control. |
| Redundant eQADC with angular decimation | Performs FIR/IIR filtering in time domain and downsamples results in angle domain - delivers crank-angle-resolved knock envelope detection for adaptive spark advance tuning. |
| Dual FlexCAN with mailbox/FIFO mode | Configurable message buffers support priority-based transmission and hardware filtering - reduces CPU load in multi-node powertrain networks with mixed safety-critical and non-critical traffic. |
| On-chip voltage regulator controller | Drives external PNP transistor to generate 1.2 V core supply from 5 V rail - simplifies power design and meets AEC-Q100 transient response specs without discrete LDOs. |
| Boot Assist Module (BAM) | Enables secure boot from flash, external calibration bus, or FlexCAN/eSCI download - supports field firmware updates and factory calibration without JTAG dependency. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time closed-loop control of fuel injection, ignition timing, and throttle actuation in gasoline direct injection engines. IC Role / Device Role / Timing Role: Primary controller executing AUTOSAR-compliant BSW and ASW with deterministic <120 ns interrupt latency at 80 MHz. Use Value: eTPU2's 32-channel angle-synchronized timing and eQADC's 1 MSample/s differential sampling enable cylinder-by-cylinder knock detection and adaptive spark advance within 1° crank angle resolution. |
Use Scenario: Shift scheduling, clutch pressure control, and torque converter lock-up management in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: Safety-certified MCU managing ASIL-B hydraulic control logic with dual FlexCAN for communication with ECU and body domain. Use Value: Dual CAN interfaces with 64-message-buffer FIFO mode handle high-bandwidth gear position telemetry and pressure sensor feedback while maintaining <50 µs response time for solenoid actuation. |
| Electric Power Steering (EPS) | Exhaust Aftertreatment Controller |
|
Use Scenario: Torque assist calculation, motor phase current regulation, and fault-tolerant steering angle monitoring in column-assist EPS systems. IC Role / Device Role / Timing Role: Real-time motor control processor with eMIOS PWM generation and eQADC current sensing synchronized to motor commutation. Use Value: eMIOS 16-channel timers with shared angle counter and eQADC's variable-gain amplifier (×1/×2/×4) enable precise 12-bit current measurement across 0–150 A range with <1% gain error over temperature. |
Use Scenario: Urea dosing control, NOx sensor signal conditioning, and diesel particulate filter (DPF) regeneration sequencing in SCR systems. IC Role / Device Role / Timing Role: Dedicated aftertreatment controller interfacing with wideband lambda sensors, thermocouples, and piezo injectors via eQADC and DSPI. Use Value: eQADC's 341-channel multiplexing, programmable pull-up/pull-down resistors (5 kΩ–200 kΩ), and die temperature sensor support sensor diagnostics and closed-loop urea dosing accuracy within ±2%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5634MF2MLQ80R | Same silicon, tape-and-reel packaging variant (RoHS-compliant, no lead finish change) - identical electrical and thermal specs. | No functional difference; intended for automated SMT assembly lines requiring reel packaging. | Select when procurement requires standard 1000-unit reels and compatibility with pick-and-place feeders. |
| SPC5633MF2MLQ64 | Pin-compatible derivative with reduced memory: 1 MB flash, 64 KB SRAM (32 KB standby), 144 LQFP package - same e200z335 core and peripheral set. | Suitable for cost-sensitive ECUs with lower code footprint and fewer calibration parameters; lacks 208 MAPBGA option. | Choose for entry-level powertrain modules where flash/SRAM headroom is sufficient and 176-pin layout constraints apply. |
Compared with SPC5634MF2MLQ80, the SPC5633MF2MLQ64 offers identical real-time peripheral functionality in a smaller package but trades 512 KB flash and 30 KB SRAM for BOM cost reduction, while the SPC5634MF2MLQ80R provides identical performance in production-optimized packaging - both require no schematic or layout revision.
Availability
SPC5634MF2MLQ80 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and exhaust aftertreatment controllers requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC5634MF2MLQ80 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 functional safety and ASIL-certified microcontrollers.
The SPC5634MF2MLQ80 belongs to NXP's SPC56x automotive MCU family, engineered specifically for powertrain and chassis control applications demanding high computational throughput, real-time determinism, and compliance with ISO 26262 ASIL-B/D.
FAQ
What is the maximum junction temperature rating for the SPC5634MF2MLQ80?
The SPC5634MF2MLQ80 is rated for continuous operation from -40°C to +150°C junction temperature, meeting AEC-Q100 Grade 1 requirements for under-hood automotive environments. This specification is validated per Freescale's Rev. 9 datasheet Section 4.3 and applies to all operating modes including full-speed execution and low-power stop mode wake-up sequences. Thermal derating is not required within this range when using the specified 24 mm × 24 mm LQFP package with recommended PCB copper pour.
Does the SPC5634MF2MLQ80 support AUTOSAR-compliant software stacks?
Yes, the SPC5634MF2MLQ80 supports AUTOSAR 4.x-compliant software stacks through its e200z335 core's precise exception handling, <120 ns interrupt latency at 80 MHz, and memory protection unit (MMU) with 16-entry TLB. NXP provides certified MCAL drivers and configuration tools (SPC5 Studio) that integrate with leading AUTOSAR vendors. The SPC5634MF2MLQ80's Nexus Class 2 debug interface enables run-time memory access required for AUTOSAR BSW calibration and diagnostic event tracing.
How does the FMPLL in the SPC5634MF2MLQ80 ensure clock reliability in safety-critical applications?
The FMPLL in the SPC5634MF2MLQ80 incorporates Clock Quality Monitor (CQM) circuitry that continuously validates both reference and output clock integrity. Upon loss-of-clock detection, it can generate either a system reset or non-maskable interrupt - configurable per ISO 26262 ASIL-D fault containment requirements. The SPC5634MF2MLQ80's FMPLL also features lock detect reporting and programmable triangle-wave modulation to reduce EMI, ensuring deterministic timing even during electromagnetic disturbances common in powertrain environments.
Can the SPC5634MF2MLQ80 perform simultaneous analog acquisition and digital signal processing?
Yes, the SPC5634MF2MLQ80 enables true parallel operation: its dual eQADC modules acquire analog signals (e.g., knock sensor waveforms) while the e200z335 core executes SPE APU-accelerated FIR filtering and the eTPU2 co-processor handles angle-synchronized PWM generation. The AMBA crossbar switch prevents bus contention between these subsystems, and eDMA channels transfer ADC results directly to SRAM without CPU intervention - allowing the SPC5634MF2MLQ80 to sustain 1 MSample/s acquisition and real-time signal processing concurrently.
What debug capabilities does the SPC5634MF2MLQ80 provide for production programming and field diagnostics?
The SPC5634MF2MLQ80 integrates Nexus Class 2 debug support (IEEE-ISTO 5001-2003) with real-time memory access, data watchpoints, and non-intrusive trace - enabling production flash programming via JTAG/Nexus and post-deployment diagnostic logging without halting CPU operation. Its Boot Assist Module (BAM) further supports field firmware updates over FlexCAN or eSCI, while the on-chip voltage regulator controller allows safe in-system programming without external power sequencing circuits.
SPC5634MF2MLQ80 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-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 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5634MF2MLQ80 FAQ
1.How can I place an order for SPC5634MF2MLQ80 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5634MF2MLQ80 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 SPC5634MF2MLQ80 reliable?
The price and inventory of SPC5634MF2MLQ80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5634MF2MLQ80 is usually 5 days.
3.What payment methods are accepted for SPC5634MF2MLQ80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5634MF2MLQ80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5634MF2MLQ80?
SPC5634MF2MLQ80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5634MF2MLQ80 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 SPC5634MF2MLQ80?
For technical support, including SPC5634MF2MLQ80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5634MF2MLQ80 requirements.
6.How does Aetrix verify that SPC5634MF2MLQ80 is sourced from the original manufacturer or authorized distributors?
All SPC5634MF2MLQ80 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 SPC5634MF2MLQ80 meets industry standards.
7.What is the process for return or replacement of SPC5634MF2MLQ80?
All SPC5634MF2MLQ80 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5634MF2MLQ80, 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 SPC5634MF2MLQ80 part is unused and in its original packaging.
Return procedure for SPC5634MF2MLQ80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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