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NXP Semiconductors SPC5646CF0MLT1
- Part No.:
- SPC5646CF0MLT1
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 208-LQFP
- Datasheet:
-
SPC5646CF0MLT1.pdf
- Description:
- IC MCU 32BIT 3MB FLASH 208TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,392
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Product details
Overview
SPC5646CF0MLT1 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, FlexCAN, FlexRay, Fast Ethernet, and Cryptographic Services Engine (CSE). It targets safety-critical powertrain and chassis control systems requiring ASIL-B/D compliance.
For engineers reviewing the SPC5646CF0MLT1 datasheet, SPC5646CF0MLT1 pinout, SPC5646CF0MLT1 application, or SPC5646CF0MLT1 equivalent, key selection criteria include dual-core deterministic timing, hardware memory protection (16-region MPU), autonomous low-power wake-up via RTC (1 ms resolution), and integrated CSE for secure boot and firmware authentication.
Technical Context
The SPC5646CF0MLT1 implements a crossbar switch architecture enabling concurrent access to flash, SRAM, and peripherals by multiple bus masters-including both e200z4d and e200z0h cores. Its Dual-core Interrupt Controller (INTC) routes interrupt sources selectively to either core or both, supporting asymmetric multiprocessing.
It integrates a 32-channel eDMA with DMAMUX (32 of 57 sources software-selectable), two ADCs (10-bit with 27/33 ch, 12-bit with 5/10 ch), CTU for synchronized ADC-triggered sampling, and a Safety Enhanced SWT with keyed functionality-meeting ISO 26262 functional safety requirements at ASIL-D level for critical subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | e200z4d (120 MHz) + e200z0h (80 MHz); enables real-time task partitioning and fail-safe monitoring |
| Flash Memory | 3 MB code flash + 64 KB data flash; supports EEPROM emulation and fast page-buffered access |
| RAM | 256 KB on-chip SRAM; includes error detection/correction for safety-critical data storage |
| Peripherals | 6 × FlexCAN (64 MB each), 1 × FlexRay (128 MB), 1 × FEC (10/100 Mbps), 8 × DSPI, 10 × LINFlexD, 1 × I²C |
| Security | Cryptographic Services Engine (CSE); accelerates AES-128/256, SHA-256, RSA, and secure boot verification |
| Power Management | STOP/HALT/STANDBY modes; RTC wake-up with 1 ms resolution (max 2 s timeout) or 1 s resolution (max 1 h) |
| Package | 208-pin LQFP (28 mm × 28 mm, 0.5 mm pitch); RoHS-compliant, automotive-grade AEC-Q100 Grade 1 |
Pinout & Package
The SPC5646CF0MLT1 is packaged in a 208-pin LQFP (28 mm × 28 mm, 0.5 mm lead pitch), optimized for automotive PCB thermal and mechanical reliability. Pin functions are defined per NXP's MPC5646C datasheet Rev. 7, Section 3.2–3.3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | System reset input | Bidirectional with Schmitt-trigger and noise filter; weak pull-up enabled after PHASE2; initiates cold/warm reset sequence |
| XTAL / EXTAL | Crystal oscillator interface | Supports 4–40 MHz external crystal; XTAL is analog output, EXTAL is analog input; bypass mode requires EXTAL grounded |
| VDD_HV_A / VDD_HV_B | High-voltage I/O supply domains | VDD_HV_A powers most I/O banks; VDD_HV_B supplies dedicated pins including PE[12], PA[11]–PA[7], PF[14]–PF[15], PG[0]–PG[1], PH[0]–PH[3], PG[12]–PG[13], PA[3] |
| VDD_LV / VSS_LV | Low-voltage core supply | 1.2 V core domain; decoupling required per datasheet layout guidelines to ensure stable e200z4d/z0h operation |
| PD[0]–PD[15] | General-purpose I/O port D | 16-bit bidirectional port with configurable pad types (S/M/F); supports alternate functions including DSPI, LINFlexD, and eMIOS channels |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | e200z4d (120 MHz) handles high-priority real-time tasks; e200z0h (80 MHz) manages background diagnostics or communication stacks-enabling lockstep or split-mode operation |
| Hardware memory protection | 16-region MPU enforces strict access permissions across flash, SRAM, and peripheral address spaces-critical for ASIL-D software partitioning |
| Autonomous low-power wake-up | RTC supports 1 ms resolution wake-up (2 s max timeout) without CPU intervention-ideal for periodic sensor polling in STOP mode |
| Secure boot acceleration | CSE performs AES-128 decryption and SHA-256 hashing in hardware, reducing boot time and eliminating software-side crypto bottlenecks |
| Functional safety infrastructure | Includes Safety Enhanced SWT (keyed), ECSM for memory error reporting, CMU for clock monitoring, and STCU for MBIST activation-fully aligned with ISO 26262 FMEDA requirements |
Applications
| Engine Control Unit (ECU) | Advanced Driver Assistance Systems (ADAS) Domain Controller |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and exhaust gas recirculation control in gasoline/diesel engines under extreme temperature and EMI conditions. IC Role / Device Role / Timing Role: Primary host controller executing AUTOSAR BSW and application SW; dual-core enables separation of safety-critical actuator control (e200z4d) and non-safety diagnostics (e200z0h). Use Value: 120 MHz e200z4d core delivers sub-microsecond loop closure; 6 FlexCAN interfaces support multi-bus vehicle network topology; CSE secures OTA update validation. | Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic inputs for adaptive cruise control and automatic emergency braking. IC Role / Device Role / Timing Role: Central processing node managing time-synchronized data ingestion via FlexRay and CAN FD (via FlexCAN), timestamping via CTU-linked ADCs, and Ethernet-based offload to central ADAS processor. Use Value: Cross Trigger Unit synchronizes 12-bit ADC conversions with eMIOS timer events for precise radar echo sampling; FEC enables 100 Mbps vision data streaming to domain controller. |
| Electric Power Steering (EPS) Control Module | Brake-by-Wire System Controller |
Use Scenario: High-bandwidth torque assist computation with torque sensor feedback, motor current control, and fault-tolerant path redundancy. IC Role / Device Role / Timing Role: Safety-certified controller running ASIL-D motor control algorithms; MPU isolates motor driver interface registers from application code; SWT monitors execution integrity. Use Value: 256 KB SRAM with ECC ensures reliable storage of PID coefficients and lookup tables; 3 MB flash accommodates dual-application images for safe firmware rollback. | Use Scenario: Redundant brake pressure modulation using dual solenoid valves, wheel speed sensors, and hydraulic pressure feedback. IC Role / Device Role / Timing Role: Fault-tolerant dual-core controller where e200z4d executes primary brake actuation logic and e200z0h runs independent monitor checks-both fed by shared CTU-synchronized ADC samples. Use Value: 16-region MPU prevents unauthorized access to brake valve drivers; FlexRay provides deterministic 10 Mbps communication with master ECU; RTC wake-up enables periodic self-test during vehicle sleep. |
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 |
|---|---|---|---|
| SPC564A70MF0MLQ | Single e200z4d core (120 MHz); 2 MB flash, 192 KB SRAM; no FlexRay or FEC; CSE optional | Lacks dual-core safety partitioning and Ethernet/FlexRay; suitable for mid-tier powertrain modules without domain controller requirements | Select when ASIL-D dual-core redundancy is unnecessary and cost-sensitive designs prioritize flash/SRAM over peripheral count |
| MPC5748G | e200z4/7 dual-core (160 MHz); 3 MB flash, 384 KB SRAM; includes HSM security module; no FlexRay; FEC only in specific variants | Higher performance and larger memory but omits FlexRay; HSM replaces CSE with enhanced PKI acceleration and secure key storage | Choose for next-gen gateways needing higher throughput and certified HSM, but verify FlexRay absence aligns with vehicle architecture |
Compared with SPC5646CF0MLT1, SPC564A70MF0MLQ reduces safety capability and peripheral set for cost-driven ECUs, while MPC5748G trades FlexRay for higher compute and HSM-based security-making SPC5646CF0MLT1 optimal for FlexRay-dependent chassis systems requiring balanced ASIL-D enforcement and legacy protocol support.
Availability
SPC5646CF0MLT1 is available at Aetrix Electronics and suitable for engine control units, ADAS domain controllers, electric power steering modules, and brake-by-wire systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100 Grade 1 qualification.
Supply support for SPC5646CF0MLT1 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 SPC5646CF0MLT1 belongs to the SPC564x family-designed specifically for ASIL-B/D automotive powertrain and chassis applications requiring dual-core determinism, hardware security, and high-speed deterministic networking (FlexRay, CAN FD, Ethernet).
FAQ
What is the maximum operating frequency of the SPC5646CF0MLT1's primary CPU core?
The SPC5646CF0MLT1 features an e200z4d core rated for up to 120 MHz operation under AEC-Q100 Grade 1 conditions (−40°C to +125°C ambient). This frequency is achievable with proper power supply decoupling, thermal management, and FMPLL configuration per the MPC5646C Reference Manual. The e200z0h secondary core operates up to 80 MHz, or at half-system frequency if the e200z4d runs above 80 MHz.
Does the SPC5646CF0MLT1 support hardware-based cryptographic operations?
Yes, the SPC5646CF0MLT1 integrates a Cryptographic Services Engine (CSE) that accelerates AES-128/256 encryption/decryption, SHA-256 hashing, and RSA public-key operations. This enables secure boot verification, firmware image authentication, and OTA update integrity checking-all executed in hardware without CPU overhead. The CSE is standard on the SPC5646CF0MLT1, unlike optional CSE variants in earlier SPC564x devices.
How many CAN interfaces does the SPC5646CF0MLT1 include, and what is their buffer capacity?
The SPC5646CF0MLT1 includes six FlexCAN modules, each with 64 message buffers (MBs). These support CAN 2.0A/B protocols and feature a CAN Sampler for capturing message IDs during low-power modes. All six FlexCAN instances are fully independent, enabling simultaneous communication across multiple vehicle networks-such as powertrain, chassis, and body domains-without resource contention.
What package type and pin count does the SPC5646CF0MLT1 use?
The SPC5646CF0MLT1 uses a 208-pin LQFP package measuring 28 mm × 28 mm with 0.5 mm lead pitch. This package is specified in NXP's MPC5646C datasheet Rev. 7 and supports 177 configurable GPIO pins. It is RoHS-compliant and qualified to AEC-Q100 Grade 1 for automotive under-hood applications.
Is the SPC5646CF0MLT1 compliant with ISO 26262 functional safety standards?
Yes, the SPC5646CF0MLT1 is designed to support ASIL-D compliance per ISO 26262. It includes hardware safety mechanisms such as a Safety Enhanced SWT with keyed access, 16-region MPU, ECC on SRAM, clock and voltage monitors (CMU, VREG), and STCU-controlled MBIST. While the device itself is not pre-certified, its integrated safety features enable system-level ASIL-D implementation when used per NXP's safety manual and FMEDA documentation.
SPC5646CF0MLT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 208-LQFP
- Series:
- MPC56xx Qorivva
- Packaging:
- Tray
- Product Status:
- Active
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5646CF0MLT1 FAQ
1.How can I place an order for SPC5646CF0MLT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5646CF0MLT1 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 SPC5646CF0MLT1 reliable?
The price and inventory of SPC5646CF0MLT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5646CF0MLT1 is usually 5 days.
3.What payment methods are accepted for SPC5646CF0MLT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5646CF0MLT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5646CF0MLT1?
SPC5646CF0MLT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5646CF0MLT1 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 SPC5646CF0MLT1?
For technical support, including SPC5646CF0MLT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5646CF0MLT1 requirements.
6.How does Aetrix verify that SPC5646CF0MLT1 is sourced from the original manufacturer or authorized distributors?
All SPC5646CF0MLT1 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 SPC5646CF0MLT1 meets industry standards.
7.What is the process for return or replacement of SPC5646CF0MLT1?
All SPC5646CF0MLT1 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5646CF0MLT1, 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 SPC5646CF0MLT1 part is unused and in its original packaging.
Return procedure for SPC5646CF0MLT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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