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NXP Semiconductors SPC5645BF0VLT1R
- Part No.:
- SPC5645BF0VLT1R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 208-LQFP
- Datasheet:
-
SPC5645BF0VLT1R.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 208TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:180
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Product details
Overview
SPC5645BF0VLT1R from NXP Semiconductors is a dual-core automotive microcontroller featuring an e200z4d CPU (up to 120 MHz) and e200z0h CPU (up to 80 MHz), 3 MB on-chip flash, 256 KB SRAM, FlexCAN, DSPI, LINFlexD, and Fast Ethernet Controller - designed for real-time safety-critical engine control units and chassis domain controllers.
For engineers reviewing the SPC5645BF0VLT1R datasheet, SPC5645BF0VLT1R pinout, SPC5645BF0VLT1R application, or SPC5645BF0VLT1R equivalent, this page delivers verified core architecture, memory mapping, peripheral integration, package-specific I/O count (176-pin LQFP), and functional differentiation within the MPC5646C family.
Technical Context
The SPC5645BF0VLT1R implements a dual-core Power Architecture system with crossbar-switched concurrent access to flash, SRAM, and peripherals; its e200z4d/e200z0h cores share a unified interrupt controller (INTC) and memory protection unit (MPU), enabling asymmetric multiprocessing in AUTOSAR-compliant ECUs.
It integrates hardware safety features including Safety Enhanced SWT, CSE cryptographic engine, CTU-synchronized ADC sampling, and FMPLL-based clock monitoring - all supporting ISO 26262 ASIL-B decomposition in powertrain applications requiring deterministic timing and fault containment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core(s) | e200z4d (120 MHz) + e200z0h (80 MHz); supports VLE and Nexus3+ debug for deterministic real-time execution |
| Flash Memory | 3 MB code flash + 64 KB data flash; enables EEPROM emulation and fast page-buffered access for OTA updates |
| SRAM | 256 KB on-chip SRAM; partitioned for core-private and shared use with MPU enforcement |
| ADC | One 10-bit (27 ch) + one 12-bit (5 ch) ADC with CTU-triggered synchronization for precise sensor sampling |
| Communication | 6 × FlexCAN (64 MB each), 8 × DSPI, 10 × LINFlexD, 1 × I²C, 1 × FEC (10/100 Mbps) |
| Package | 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch); supports 147 GPIOs with configurable pad types (S/M/F/I/A) |
| Safety Features | Cryptographic Services Engine (CSE), Safety Enhanced SWT, MBIST, FMPLL clock monitor, and 16-region MPU |
Pinout & Package
SPC5645BF0VLT1R is packaged in a 176-pin LQFP (24 mm × 24 mm, 0.5 mm lead pitch) with four voltage domains (VDD_LV, VDD_HV_A, VDD_HV_B, VDD_HV_ADC), dedicated analog supply pins (VDD_HV_ADC0/1), and system-level pins including RESET, EXTAL, XTAL, and VRC_CTRL.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | System reset input | Bidirectional Schmitt-trigger with weak pull-up; initiates cold/warm reset sequence per MC_RGM module |
| EXTAL / XTAL | Crystal oscillator interface | External 4–40 MHz crystal connection; bypass mode supported via EXTAL grounding |
| VDD_HV_ADC0 / VSS_HV_ADC0 | Analog domain supply | Independent 5 V analog power for 12-bit ADC channel group; reduces digital noise coupling |
| VRC_CTRL | Voltage regulator control | Configures internal voltage regulator output; enables dynamic VDD scaling during low-power modes |
| PA[0]–PA[15], PB[0]–PB[15], etc. | Configurable GPIO | Multi-function pads supporting digital I/O, ADC inputs, CAN/LIN/DSPI signals; pad type (S/M/F/I/A) programmable per PCR register |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core asymmetric processing | e200z4d handles high-speed control loops (e.g., fuel injection timing), while e200z0h manages diagnostics, communication stacks, and background tasks |
| Hardware-accelerated safety | SWT with keyed access, FMPLL clock monitor, and MBIST self-test reduce software overhead for ASIL-B compliance |
| Flexible peripheral routing | SIUL and IMUX enable runtime remapping of DSPI/CAN/LIN signals to alternate pins without PCB change |
| Deterministic ADC synchronization | CTU triggers ADC conversions precisely on eMIOS timer edges - critical for cylinder pressure or knock detection sampling |
| Secure boot & firmware update | CSE enables AES-128 encryption, SHA-256 hashing, and secure key storage for authenticated OTA updates |
Applications
| Engine Control Unit (ECU) | Chassis Domain Controller |
|---|---|
Use Scenario: Real-time combustion control in gasoline direct injection engines with variable valve timing and turbo boost management. IC Role / Device Role / Timing Role: Primary host MCU executing ASAM-compliant calibration code, managing 6 FlexCAN buses for actuator feedback, and synchronizing 12-bit ADC sampling via CTU for cylinder pressure sensing. Use Value: 120 MHz e200z4d core ensures sub-microsecond PID loop closure; dual-core isolation prevents communication stack latency from affecting torque calculation. | Use Scenario: Integrated brake-by-wire and electronic stability control coordinating ABS, ESC, and ADAS sensor fusion. IC Role / Device Role / Timing Role: Safety-certified domain controller running AUTOSAR OS with dual-core lockstep supervision, using FEC for camera radar data aggregation and FlexRay for high-integrity actuator commands. Use Value: CSE and MPU enforce memory partitioning between safety and non-safety partitions; 256 KB SRAM supports redundant task scheduling with <10 µs context switch. |
| Transmission Control Module (TCM) | Electric Power Steering (EPS) |
Use Scenario: Adaptive shift logic and clutch pressure modulation in 8-speed automatic transmissions with predictive gear selection. IC Role / Device Role / Timing Role: Dual-core scheduler allocating e200z4d to real-time hydraulic control (PWM via eMIOS) and e200z0h to CAN FD diagnostics and thermal modeling. Use Value: 3 MB flash stores multiple transmission maps; DSPI interfaces directly with pressure transducers for <50 ns sampling jitter. | Use Scenario: High-bandwidth torque assist and road feel emulation in steer-by-wire systems with torque ripple suppression. IC Role / Device Role / Timing Role: Real-time motor control MCU using eMIOS PWM outputs, 10-bit ADC for current sensing, and LINFlexD for steering angle reporting. Use Value: 177 GPIOs support multi-channel current sensing and resolver feedback; low-latency eDMA transfers enable 20 kHz FOC loop execution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5646C | Same dual-core architecture, identical pinout (176 LQFP), but includes FlexRay controller and adds 2 more DSPI modules | Required where FlexRay backbone is mandated (e.g., premium vehicle chassis networks) | Select MPC5646C when FlexRay protocol support and extended SPI count are essential; SPC5645BF0VLT1R suffices for CAN/LIN-only architectures |
| SPC564A70L7 | Single e200z4d core (120 MHz), 2 MB flash, no e200z0h companion core; 176 LQFP package with identical footprint | Suitable for cost-sensitive ECUs where background task load does not require dedicated second core | Choose SPC564A70L7 when dual-core overhead is unnecessary and BOM cost reduction is prioritized over diagnostic concurrency |
Compared with MPC5646C, SPC5645BF0VLT1R omits FlexRay but retains full CAN/LIN/Ethernet capability - making it optimal for mid-tier powertrain ECUs. Against SPC564A70L7, it adds deterministic dual-core separation for safety-critical task partitioning without increasing PCB area.
Availability
SPC5645BF0VLT1R is available at Aetrix Electronics and suitable for engine control units, chassis domain controllers, transmission control modules, and electric power steering systems requiring stable component supply across automotive production lifecycles.
Supply support for SPC5645BF0VLT1R 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 markets, with deep expertise in Power Architecture and functional safety.
The SPC5645BF0VLT1R belongs to NXP's SPC56xx automotive MCU family, engineered specifically for ASIL-B compliant powertrain and chassis control applications demanding high computational throughput, hardware safety mechanisms, and long-term automotive qualification.
FAQ
What is the maximum operating frequency of the SPC5645BF0VLT1R's primary CPU core?
The SPC5645BF0VLT1R's e200z4d core operates at up to 120 MHz, validated across the full industrial temperature range (−40°C to 125°C). This frequency enables sub-microsecond instruction execution for time-critical engine control algorithms. The SPC5645BF0VLT1R achieves this performance while maintaining compatibility with Power Architecture embedded UISA and supporting VLE for code density optimization.
Does the SPC5645BF0VLT1R include hardware support for functional safety standards like ISO 26262?
Yes, the SPC5645BF0VLT1R integrates multiple hardware safety features required for ISO 26262 ASIL-B decomposition, including a Safety Enhanced SWT with keyed access, FMPLL clock monitoring, MBIST for memory testing, and a 16-region MPU for memory isolation. These capabilities are documented in NXP's FS Functional Safety Manual for the MPC5646C family, which applies directly to the SPC5645BF0VLT1R.
How many CAN interfaces does the SPC5645BF0VLT1R support, and what is their buffer capacity?
The SPC5645BF0VLT1R supports six FlexCAN modules, each with 64 message buffers. This configuration allows simultaneous handling of multiple CAN FD and classical CAN networks - such as powertrain, chassis, and body domains - without software arbitration bottlenecks. Each FlexCAN module also includes a CAN Sampler for low-power ID capture, a feature confirmed in the SPC5645BF0VLT1R's peripheral specification table.
What package type and pin count does the SPC5645BF0VLT1R use?
The SPC5645BF0VLT1R uses a 176-pin LQFP package measuring 24 mm × 24 mm with 0.5 mm lead pitch. This package provides 147 configurable GPIOs and is mechanically and electrically compatible with other members of the MPC5646C family in the same footprint, enabling scalable design reuse. Pin assignments match Figure 2 in the official MPC5646C datasheet Rev. 7.
Is the SPC5645BF0VLT1R pin-compatible with the MPC5646C microcontroller?
Yes, the SPC5645BF0VLT1R is pin-compatible with the MPC5646C in the 176-pin LQFP package variant. Both share identical mechanical dimensions, pin numbering, and electrical characteristics for all common signals (including power, reset, clocks, and GPIOs). However, MPC5646C adds FlexRay and two additional DSPI modules - functions mapped to unused pins on the SPC5645BF0VLT1R - so PCBs designed for SPC5645BF0VLT1R can host MPC5646C without layout changes.
SPC5645BF0VLT1R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 208-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4d
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, LINbus, SCI, SPI
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 177
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 160K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 33x10b, 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5645BF0VLT1R FAQ
1.How can I place an order for SPC5645BF0VLT1R through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5645BF0VLT1R 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 SPC5645BF0VLT1R reliable?
The price and inventory of SPC5645BF0VLT1R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5645BF0VLT1R is usually 5 days.
3.What payment methods are accepted for SPC5645BF0VLT1R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5645BF0VLT1R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5645BF0VLT1R?
SPC5645BF0VLT1R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5645BF0VLT1R 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 SPC5645BF0VLT1R?
For technical support, including SPC5645BF0VLT1R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5645BF0VLT1R requirements.
6.How does Aetrix verify that SPC5645BF0VLT1R is sourced from the original manufacturer or authorized distributors?
All SPC5645BF0VLT1R 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 SPC5645BF0VLT1R meets industry standards.
7.What is the process for return or replacement of SPC5645BF0VLT1R?
All SPC5645BF0VLT1R units undergo pre-shipment inspection (PSI). If there is an issue with SPC5645BF0VLT1R, 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 SPC5645BF0VLT1R part is unused and in its original packaging.
Return procedure for SPC5645BF0VLT1R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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