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NXP Semiconductors SPC5634MF1MLQ80
- Part No.:
- SPC5634MF1MLQ80
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5634MF1MLQ80.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:290
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Product details
Overview
SPC5634MF1MLQ80 from NXP Semiconductors (formerly Freescale) is an automotive-grade 32-bit Power Architecture® microcontroller featuring the 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 SPC5634MF1MLQ80 datasheet, SPC5634MF1MLQ80 pinout, SPC5634MF1MLQ80 application, or SPC5634MF1MLQ80 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, eTPU2's 32-channel angle/time-critical I/O processing, and Nexus Class 2 debug support for AUTOSAR-compliant development.
Technical Context
The SPC5634MF1MLQ80 implements a single-issue, in-order-execution e200z335 core compliant with Power Architecture Book E, enhanced with Variable Length Encoding (VLE) for reduced code footprint and Signal Processing Extension (SPE) APU supporting SIMD integer and single-precision floating-point operations. Its memory subsystem includes a 64-bit flash bus with Fetch Accelerator enabling single-cycle access at 80 MHz.
Real-time peripheral coordination is managed via an AMBA crossbar switch connecting CPU instruction/load-store buses and eDMA to flash, SRAM, and peripherals. The FMPLL provides programmable triangle-wave frequency modulation (±0.5% depth, 1–10 kHz range) and lock-loss detection with configurable interrupt/reset response, while the eQADC supports angular decimation and result streaming for knock sensor waveform digitization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z335 32-bit Power Architecture® with VLE and SPE APU - enables compact firmware and hardware-accelerated DSP math for motor control algorithms. |
| Max Operating Frequency | 80 MHz (with ±2% frequency modulation up to 82 MHz) - ensures deterministic timing for ISO 26262 ASIL-B/C powertrain tasks. |
| Flash Memory | 1.5 MB with dual-array architecture - allows concurrent read/erase for EEPROM emulation and safe over-the-air updates. |
| SRAM | 94 KB total (32 KB on standby supply) - retains critical calibration data and state variables during stop-mode wake-up sequences. |
| Temperature Range | -40°C to +150°C junction - certified for under-hood deployment in gasoline/diesel engine control modules. |
| eQADC Performance | 1 MSample/s at 8-bit differential resolution (ADC_CLK = 15 MHz) with VGA gain ×1/×2/×4 - supports high-dynamic-range sensor inputs like wideband O2 sensors. |
| FlexCAN Interfaces | Two independent controllers: one with 32, one with 64 message buffers - enables segregated CAN FD-capable communication for powertrain and chassis networks. |
Pinout & Package
SPC5634MF1MLQ80 is packaged in a 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Freescale MPC5634M Rev. 9 datasheet Section 3.2 and Addendum MPC5634M_AD Rev. 1.0.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main power supply input | Accepts 4.5–5.25 V; powers internal 3.3 V and 1.2 V regulators - simplifies single-rail board design for automotive 5 V systems. |
| VRH/VRT | ADC reference voltage inputs | Supports external 5 V reference or internal 2.5 V; enables ratiometric sensor measurements with <±0.5% full-scale error. |
| CAN0_TX / CAN0_RX | Channel 0 CAN transceiver interface | Differential signaling pins compatible with ISO 11898-2; require external CAN PHY - enables robust communication with engine actuators. |
| ETPU2_CH00–CH31 | eTPU2 dedicated I/O channels | 32 independent pins with angle/time stamping - used for cam/crank position decoding, ignition timing, and fuel injection pulse shaping. |
| NEXUS_TDI / TDO / TCK / TMS | Nexus Class 2 debug port | IEEE-ISTO 5001-2003 compliant interface - supports real-time trace, memory access, and calibration without halting CPU execution. |
Key Features
| Feature | Design Value |
|---|---|
| FMPLL with frequency modulation | Programmable triangle-wave modulation (1–10 kHz, ±0.5% depth) reduces EMI peak emissions by spreading clock energy across spectrum - meets CISPR 25 Class 5 requirements. |
| eTPU2 co-processor | 32-channel, 24-bit resolution timing engine with double-match capture - executes deterministic angle-based control loops (e.g., spark advance) independent of CPU load. |
| eQADC angular decimation | FIR/IIR filtering in time domain with angle-domain downsampling - delivers crank-angle-synchronized knock sensor analysis without CPU intervention. |
| Boot Assist Module (BAM) | Hardware-managed boot from flash, FlexCAN, or eSCI - enables secure field firmware updates and failsafe recovery after corrupted flash writes. |
| ECSM with ECC | Single-bit error correction and reporting for flash and SRAM - satisfies ISO 26262 ASIL-B fault containment for safety-critical code/data storage. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time management of fuel injection timing, spark advance, and air-fuel ratio based on crank/cam position, MAP, and O2 sensor feedback. IC Role / Device Role / Timing Role: Primary controller executing AUTOSAR-compliant BSW and application SW with sub-microsecond interrupt latency (<120 ns @ 80 MHz) for critical events. Use Value: eTPU2 handles cam/crank decoding and injector pulse generation in hardware, freeing CPU cycles for closed-loop PID calculations and diagnostics. |
Use Scenario: Coordinating torque converter clutch engagement, gear shift scheduling, and hydraulic pressure control using transmission speed and temperature sensors. IC Role / Device Role / Timing Role: Dual FlexCAN interfaces isolate powertrain network traffic; eQADC acquires analog pressure/temperature signals with 12-bit differential accuracy. Use Value: Angular decimation mode processes knock sensor waveforms synchronized to engine rotation - enabling precise misfire detection without CPU overhead. |
| Electric Power Steering (EPS) | Brake Control Module (BCM) |
|
Use Scenario: Sensor fusion of torque, motor position, and vehicle speed to generate assist torque commands with fail-safe torque limiting. IC Role / Device Role / Timing Role: Safety monitor executing ASIL-C software partitions; ECSM ECC protects RAM/flash storing torque limit tables and fault logs. Use Value: Software Watchdog Timer (SWT) with configurable reset/interrupt behavior ensures timely recovery from transient faults affecting steering assist. |
Use Scenario: ABS/EBD control requiring synchronized sampling of wheel speed sensors and hydraulic valve actuation with <10 µs jitter tolerance. IC Role / Device Role / Timing Role: eMIOS timer channels generate precise PWM for solenoid drivers; FMPLL modulation suppresses conducted EMI into brake sensor lines. Use Value: Low-power STOP mode with wake-up timer enables rapid system reactivation from sleep states during vehicle coasting phases. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5634MF2MLQ80 | Same package and pinout; 2 MB flash (vs. 1.5 MB), 128 KB SRAM (vs. 94 KB) - higher memory headroom for complex AUTOSAR stacks. | Targeted at next-gen ECUs requiring larger diagnostic log buffers and multi-layer control algorithms. | Select when future firmware growth or ASIL-D partitioning demands additional memory resources beyond SPC5634MF1MLQ80 capacity. |
| MPC5643L | Same e200z4 core family but higher performance (120 MHz), dual eQADC, and enhanced security features (HSM); 176 LQFP package. | Designed for ASIL-D safety-critical applications like airbag control where hardware security modules and higher compute throughput are mandatory. | Choose for new designs requiring certified HSM, cryptographic acceleration, or >80 MHz deterministic execution - not a drop-in replacement for SPC5634MF1MLQ80. |
Compared with SPC5634MF1MLQ80, the SPC5634MF2MLQ80 offers scalable memory for evolving software complexity, while the MPC5643L introduces hardware security and higher clock rates for ASIL-D domains - neither is pin-compatible, but both share architectural continuity for migration paths.
Availability
SPC5634MF1MLQ80 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake control modules requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC5634MF1MLQ80 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 certification.
The SPC5634MF1MLQ80 belongs to NXP's SPC56x automotive MCU family, designed specifically for cost-optimized powertrain and chassis control applications requiring ASIL-B compliance, real-time determinism, and integrated analog/motor control peripherals.
FAQ
What is the maximum junction temperature rating for the SPC5634MF1MLQ80?
The SPC5634MF1MLQ80 is rated for continuous operation from -40°C to +150°C junction temperature, validated per Freescale MPC5634M Rev. 9 datasheet Section 4.3. This specification enables direct mounting in high-heat under-hood environments typical of modern gasoline and diesel engine control units without external heatsinking.
Does the SPC5634MF1MLQ80 support CAN FD communication?
The SPC5634MF1MLQ80 integrates two FlexCAN modules compliant with ISO 11898-1:2015 CAN 2.0B protocol only - it does not support CAN FD data rates or frame formats. For CAN FD capability, NXP recommends migrating to the S32K or S32G families. The SPC5634MF1MLQ80 remains suitable for legacy CAN networks in powertrain applications.
How does the eQADC module in the SPC5634MF1MLQ80 achieve 1 MSample/s performance?
The SPC5634MF1MLQ80's eQADC achieves 1 MSample/s at 8-bit differential resolution when ADC_CLK is set to 15 MHz, as specified in MPC5634M Rev. 9 datasheet Section 4.12. This requires configuring the sample time to 2 ADC clock cycles and using the variable gain amplifier (VGA) at ×1 setting - enabling high-speed acquisition of wideband O2 or knock sensor signals.
Is the SPC5634MF1MLQ80 pin-compatible with other MPC5634M variants in the same package?
Yes - the SPC5634MF1MLQ80 shares identical 176-pin LQFP mechanical and electrical pinout with all MPC5634M variants in the MLQ80 package (e.g., SPC5634MF2MLQ80), as confirmed in MPC5634M Rev. 9 datasheet Section 3.2. Function pin assignments, power/ground locations, and debug interface pins are fully consistent across this package family.
What debug capabilities does the SPC5634MF1MLQ80 provide for AUTOSAR development?
The SPC5634MF1MLQ80 includes Nexus Class 2 debug support per IEEE-ISTO 5001-2003, enabling real-time memory access, data value breakpoints, and non-intrusive trace without halting CPU execution. This facilitates AUTOSAR BSW validation, timing analysis, and calibration of complex control algorithms directly on target hardware.
SPC5634MF1MLQ80 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:
SPC5634MF1MLQ80 FAQ
1.How can I place an order for SPC5634MF1MLQ80 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5634MF1MLQ80 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 SPC5634MF1MLQ80 reliable?
The price and inventory of SPC5634MF1MLQ80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5634MF1MLQ80 is usually 5 days.
3.What payment methods are accepted for SPC5634MF1MLQ80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5634MF1MLQ80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5634MF1MLQ80?
SPC5634MF1MLQ80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5634MF1MLQ80 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 SPC5634MF1MLQ80?
For technical support, including SPC5634MF1MLQ80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5634MF1MLQ80 requirements.
6.How does Aetrix verify that SPC5634MF1MLQ80 is sourced from the original manufacturer or authorized distributors?
All SPC5634MF1MLQ80 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 SPC5634MF1MLQ80 meets industry standards.
7.What is the process for return or replacement of SPC5634MF1MLQ80?
All SPC5634MF1MLQ80 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5634MF1MLQ80, 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 SPC5634MF1MLQ80 part is unused and in its original packaging.
Return procedure for SPC5634MF1MLQ80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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