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NXP Semiconductors SPC5646CCF0VLT1
- Part No.:
- SPC5646CCF0VLT1
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 208-LQFP
- Datasheet:
-
SPC5646CCF0VLT1.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 208TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,312
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Product details
Overview
SPC5646CCF0VLT1 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, 64 KB data flash for EEPROM emulation, FlexCAN, FlexRay, FEC Ethernet, and CSE cryptographic engine - deployed in engine control units and ADAS domain controllers.
For engineers reviewing the SPC5646CCF0VLT1 datasheet, SPC5646CCF0VLT1 pinout, SPC5646CCF0VLT1 application, or SPC5646CCF0VLT1 equivalent, key selection criteria include dual-core deterministic timing, ASIL-B/D safety support via hardware features (MPU, SWT, CTU, ECC), automotive-grade package options (176-pin LQFP), and integrated high-speed interfaces including 100 Mbps Ethernet and dual-channel FlexRay.
Technical Context
The SPC5646CCF0VLT1 implements a crossbar switch architecture enabling concurrent access to flash, SRAM, and peripherals by multiple bus masters, with dual-core interrupt routing via a shared Dual-core Interrupt Controller (INTC). Its clock system integrates FMPLL, 4–40 MHz external crystal, 16 MHz internal RC, and low-power 128 kHz/32 kHz oscillators.
It supports autonomous wake-up via RTC (1 ms resolution, 2 s max timeout) and STCU-controlled MBIST, while the Cross Trigger Unit (CTU) synchronizes ADC conversions with eMIOS or PIT timers - critical for deterministic sensor sampling in real-time powertrain control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | e200z4d (120 MHz) + e200z0h (80 MHz); enables asymmetric task partitioning with hard real-time and background processing on separate cores |
| Flash Memory | 3 MB code flash with page buffers; reduces instruction fetch latency and supports A/B swap for safe firmware updates |
| SRAM | 256 KB on-chip SRAM; sufficient for AUTOSAR OS, complex control algorithms, and real-time data buffering |
| ADC | One 10-bit (27/33 ch) + one 12-bit (5/10 ch) ADC with CTU-triggered synchronization; meets precision requirements for throttle, temperature, and pressure sensing |
| Communication Interfaces | 6 × FlexCAN, 1 × FlexRay (128 MB), 1 × FEC (10/100 Mbps), 8 × DSPI, 10 × LINFlexD; supports full vehicle network architecture including safety-critical CAN FD backbone and high-bandwidth Ethernet diagnostics |
| Safety Features | 16-region MPU, keyed SWT, ECC on flash/SRAM, STCU-controlled MBIST, Nexus3+ debug; enables ISO 26262 ASIL-B/D compliance without external safety monitors |
| Package | 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch); RoHS-compliant, automotive-qualified, compatible with standard reflow profiles and automated optical inspection |
Pinout & Package
SPC5646CCF0VLT1 is housed in a 176-pin LQFP package (24 mm × 24 mm, 0.5 mm lead pitch), optimized for automotive ECU thermal and mechanical reliability. Pin functions are defined per NXP's MPC5646C datasheet Rev. 7, Section 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Asynchronous bidirectional reset input | Active-low Schmitt-trigger input with noise filter; initiates full chip reset sequence including PCU, CGM, and RGM modules |
| XTAL / EXTAL | Clock oscillator interface | Differential analog inputs for 4–40 MHz crystal; supports fail-safe clock switching to internal 16 MHz RC if external source fails |
| VDD_HV_A / VDD_HV_B | IO supply domains | Separate 3.3 V domains: VDD_HV_A powers most I/O banks; VDD_HV_B isolates high-noise pins (e.g., FlexRay, FEC) to reduce coupling |
| PD[0]–PD[15] | General-purpose I/O bank | 16-bit configurable port supporting eMIOS, DSPI, LINFlexD, and GPIO; supports slew-rate control and pull-up/down configuration |
| PE[0]–PE[15] | Analog/digital mixed-signal bank | Includes ADC input channels (ANP/ANS), CAN transceiver I/O, and FlexRay differential pairs; supports analog pad configuration (APC) |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | e200z4d handles time-critical control loops (e.g., fuel injection timing), while e200z0h runs diagnostics, communication stacks, and calibration services - with INTC-based priority arbitration |
| Hardware-accelerated cryptography | Cryptographic Services Engine (CSE) performs AES-128/256, SHA-256, and RSA signature verification in <50 µs - enabling secure boot and OTA update authentication |
| Autonomous low-power operation | RTC with 1 ms wake-up resolution and STANDBY mode current <50 µA; allows periodic sensor polling without CPU involvement, extending battery life in always-on modules |
| Functional safety infrastructure | Integrated MPU, ECC on all memory, STCU-managed MBIST, and Nexus3+ trace enable ASIL-D decomposition per ISO 26262 Part 6 Annex D |
| Flexible peripheral routing | SIUL and IMUX allow remapping of up to 177 GPIOs across 10+ peripheral functions (e.g., DSPI0 can be assigned to PB[0:3] or PJ[0:3]) - simplifying PCB layout reuse across variants |
Applications
| Engine Control Unit (ECU) | Advanced Driver Assistance Systems (ADAS) Domain Controller |
|---|---|
Use Scenario: Real-time combustion control, air-fuel ratio management, and OBD-II diagnostics in gasoline and diesel powertrains. IC Role / Device Role / Timing Role: Primary controller executing deterministic PID loops at ≤100 µs intervals using eMIOS PWM and synchronized ADC sampling via CTU. Use Value: 120 MHz e200z4d core + 3 MB flash enables complex model-based control and dual-bank firmware updates without runtime interruption. | Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic data for lane-keeping and automatic emergency braking. IC Role / Device Role / Timing Role: Central domain processor managing time-synchronized data ingestion via FlexRay and Ethernet, with FlexCAN for actuator command distribution. Use Value: FEC 100 Mbps interface and 64 KB data flash for EEPROM emulation support high-throughput log storage and secure firmware rollback. |
| Electric Vehicle Battery Management System (BMS) | Commercial Vehicle Telematics Gateway |
Use Scenario: Cell voltage monitoring, thermal management, and SOC/SOH estimation across 100+ series-connected cells. IC Role / Device Role / Timing Role: Safety-critical monitor core (e200z0h) validates measurements from 12-bit ADC while e200z4d runs Kalman filters and communication stacks. Use Value: Hardware MPU and ECC-protected SRAM ensure memory integrity during voltage transients common in high-voltage battery environments. | Use Scenario: Fleet connectivity module translating J1939 CAN messages to LTE/Wi-Fi for remote diagnostics and predictive maintenance. IC Role / Device Role / Timing Role: Protocol gateway with LINFlexD for legacy truck networks, FlexCAN for J1939, and FEC for cloud uplink - all managed concurrently via eDMA and DMAMUX. Use Value: 10 × LINFlexD modules and 8 × DSPI interfaces enable seamless integration with legacy instrumentation clusters and telematics modems. |
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 |
|---|---|---|---|
| MPC5646BCF0VLT1 | Same package and pinout; lacks FlexRay and FEC Ethernet; 2 MB flash, 192 KB SRAM | Suitable for cost-sensitive ECUs where FlexRay/Ethernet are not required (e.g., body control modules) | Select when Ethernet/FlexRay are unnecessary and BOM cost reduction is prioritized over future-proofing |
| SPC564A70L5CEFBR | 208-pin LQFP; includes additional 64 KB SRAM and enhanced CSE (AES-GCM); same dual-core architecture | Targeted for higher-ASIL applications requiring extended memory and authenticated encryption | Choose for next-gen ADAS systems needing larger buffer space for sensor preprocessing and stronger crypto agility |
Compared with SPC5646CCF0VLT1, MPC5646BCF0VLT1 reduces feature set and memory to lower cost, while SPC564A70L5CEFBR extends memory and cryptographic capability - making SPC5646CCF0VLT1 the optimal balance of Ethernet/FlexRay integration, safety infrastructure, and production-ready automotive qualification.
Availability
SPC5646CCF0VLT1 is available at Aetrix Electronics and suitable for engine control units, ADAS domain controllers, battery management systems, and commercial vehicle telematics gateways requiring stable component supply across multi-year automotive production cycles.
Supply support for SPC5646CCF0VLT1 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 SPC5646CCF0VLT1 belongs to NXP's SPC56 family of automotive MCUs, designed specifically for ASIL-B/D compliant powertrain and chassis control systems requiring deterministic dual-core performance, integrated high-speed networking, and hardware-based security.
FAQ
What is the maximum operating frequency of the SPC5646CCF0VLT1's primary CPU core?
The SPC5646CCF0VLT1's e200z4d core operates at up to 120 MHz under specified conditions (125 °C ambient, full characterization). This frequency is sustained across automotive temperature ranges (−40 °C to 125 °C) and enables sub-100 µs control loop execution in engine management applications. The e200z0h secondary core runs at up to 80 MHz or half-system frequency when synchronized.
Does the SPC5646CCF0VLT1 support ISO 26262 functional safety certification?
Yes, the SPC5646CCF0VLT1 includes hardware safety mechanisms required for ISO 26262 ASIL-B/D compliance: 16-region MPU, ECC on flash and SRAM, keyed Software Watchdog Timer (SWT), STCU-controlled MBIST, and Nexus3+ debug trace. These features are documented in NXP's SPC5646C Functional Safety Manual and enable systematic fault detection without external safety monitors.
What package type is used for the SPC5646CCF0VLT1?
The SPC5646CCF0VLT1 uses a 176-pin LQFP package measuring 24 mm × 24 mm with 0.5 mm lead pitch. This package is automotive-qualified (AEC-Q100 Grade 1), supports standard reflow soldering, and provides mechanical robustness for under-hood ECU deployment. Pinout matches NXP's MPC5646C datasheet Rev. 7 Figure 2.
How does the SPC5646CCF0VLT1 handle clock redundancy and failure detection?
The SPC5646CCF0VLT1 implements clock redundancy via its Clock Monitor Unit (CMU), which continuously verifies integrity of the 4–40 MHz external crystal (XTAL/EXTAL), 16 MHz internal RC oscillator, and FMPLL outputs. On failure detection, it automatically switches to a backup clock source and triggers a non-maskable interrupt (NMI) - ensuring uninterrupted operation of safety-critical functions like fuel injection timing in the SPC5646CCF0VLT1.
Can the SPC5646CCF0VLT1 execute secure boot and firmware updates?
Yes, the SPC5646CCF0VLT1 supports secure boot and firmware updates through its Cryptographic Services Engine (CSE), which accelerates AES-128/256 decryption and SHA-256 hashing. Boot ROM validates signed firmware images before loading into flash, and the 64 KB data flash enables EEPROM emulation for storing keys and update metadata - all verified in NXP's SPC5646C Security Reference Manual.
SPC5646CCF0VLT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 208-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- e200z4d, e200z0h
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 80MHz/120MHz
- Connectivity:
- CANbus, Ethernet, I2C, LINbus, SCI, SPI
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 177
- Program Memory Size:
- 3MB (3M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 256K 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:
SPC5646CCF0VLT1 FAQ
1.How can I place an order for SPC5646CCF0VLT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5646CCF0VLT1 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 SPC5646CCF0VLT1 reliable?
The price and inventory of SPC5646CCF0VLT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5646CCF0VLT1 is usually 5 days.
3.What payment methods are accepted for SPC5646CCF0VLT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5646CCF0VLT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5646CCF0VLT1?
SPC5646CCF0VLT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5646CCF0VLT1 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 SPC5646CCF0VLT1?
For technical support, including SPC5646CCF0VLT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5646CCF0VLT1 requirements.
6.How does Aetrix verify that SPC5646CCF0VLT1 is sourced from the original manufacturer or authorized distributors?
All SPC5646CCF0VLT1 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 SPC5646CCF0VLT1 meets industry standards.
7.What is the process for return or replacement of SPC5646CCF0VLT1?
All SPC5646CCF0VLT1 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5646CCF0VLT1, 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 SPC5646CCF0VLT1 part is unused and in its original packaging.
Return procedure for SPC5646CCF0VLT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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