My Inquiry
My Account
NXP Semiconductors SPC5643LFF2MLQ1
- Part No.:
- SPC5643LFF2MLQ1
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5643LFF2MLQ1.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,058
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SPC5643LFF2MLQ1 from NXP Semiconductors is a dual-core automotive safety microcontroller built on Power Architecture® e200z4d cores, operating up to 120 MHz with LockStep and Decoupled Parallel modes. It integrates 1 MB flash with ECC, 128 KB SRAM with ECC, dual FlexCAN 2.0B interfaces, FlexRay v2.1 (2-channel), and dual 12-bit ADCs with cross-triggering-designed for electric power steering (EPS) and airbag control systems.
For engineers reviewing the SPC5643LFF2MLQ1 datasheet, SPC5643LFF2MLQ1 pinout, SPC5643LFF2MLQ1 application, or SPC5643LFF2MLQ1 equivalent, key selection considerations include ASIL-D safety architecture (FCCU, RCCU, replicated watchdog/temperature sensor), Nexus Class 3+ debug support, 3.0–3.6 V single supply, and −40 °C to 125 °C ambient operation in MAPBGA-257 package.
Technical Context
The SPC5643LFF2MLQ1 implements a dual e200z4d core architecture with Harvard bus, 4 KB instruction cache with error detection, MMU, and Signal Processing Engine (SPE). Its memory subsystem features replicated crossbar switch (4 masters × 3 slaves), ECC-protected flash and SRAM, and RWW capability for EEPROM emulation.
Safety-critical execution relies on Sphere of Replication (SoR) covering CPU, eDMA, and crossbar, with Fault Collection and Control Unit (FCCU) managing fault reporting and recovery. The device supports boot-time MBIST/LBIST, software-triggered ADC/flash BIST, and redundant clock monitoring units (CMU) and power management unit (PMU).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, VLE and SPE support for DSP workloads |
| Max Core Frequency | 120 MHz - enables >240 DMIPS real-time processing for EPS and airbag actuation |
| Flash Memory | 1 MB with ECC and RWW - supports safe firmware updates without halting critical functions |
| SRAM | 128 KB with ECC - provides fault-tolerant data storage for safety-critical variables |
| Safety Certification | ISO 26262 ASIL-D compliant via LockStep mode, FCCU, replicated watchdog & temperature sensor |
| ADC | Two 12-bit ADCs, 16 channels total with CTU synchronization - enables precise motor current and sensor sampling |
| Communication Interfaces | 2× FlexCAN 2.0B (32 msg objects), FlexRay v2.1 (2 ch, 64 buffers), 3× DSPI, 2× LINFlexD - meets automotive domain controller requirements |
Pinout & Package
SPC5643LFF2MLQ1 is housed in a 257-ball MAPBGA package (14 mm × 14 mm × 0.8 mm), optimized for automotive ECU thermal and routing constraints. Pin assignments follow NXP's MPC5643L reference layout with dedicated supply, ground, I/O, and safety-monitoring terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main power supply | 3.0–3.6 V input powering core logic, flash, and SRAM; requires local decoupling per datasheet layout guidelines |
| VDD_ANA | Analog supply | Dedicated 3.0–3.6 V rail for ADC, SWG, and internal references - isolated to minimize noise coupling |
| RESET_IN | Asynchronous reset input | Active-low signal initiating hardware reset sequence including MBIST, LBIST, and safety register initialization |
| NEXUS_TDI/TDO/TCK/TMS | Nexus Class 3+ debug interface | Enables real-time trace, non-intrusive debugging, and safety-critical code validation per ISO 26262 tool qualification |
| FLEXRAY_TX0/RX0 | FlexRay channel 0 differential pair | High-integrity time-triggered communication path for chassis domain controllers; supports up to 10 Mbit/s |
| CAN0_TX/CAN0_RX | FlexCAN channel 0 differential signals | Robust CAN 2.0B interface with 32 message objects - used for EPS motor control loop feedback |
Key Features
| Feature | Design Value |
|---|---|
| LockStep + Decoupled Parallel mode | Dual-core operation with hardware-enforced functional redundancy (LockStep) or independent high-throughput execution (Decoupled) |
| Replicated safety modules | FCCU, RCCU, watchdog, temperature sensor, and INTC - ensure fault detection and fail-safe response within defined timing windows |
| On-chip BIST coverage | Boot-time MBIST/LBIST for memory/logic + software-triggered ADC/flash BIST - satisfies ASIL-D diagnostic coverage requirements |
| Memory Protection Unit (MPU) | 16-region MPU with 32-byte granularity - isolates safety-critical tasks from non-safety partitions in multi-context RTOS environments |
| FlexPWM + eTimer co-scheduling | Two FlexPWM modules (4×16-bit channels each) and three 6-channel eTimers synchronized via CTU - enables precise motor gate drive timing |
Applications
| Electric Power Steering (EPS) | Airbag Deployment Control |
|---|---|
Use Scenario: Real-time torque assist calculation, motor position feedback, and fault-tolerant motor driver control in 12 V automotive platforms. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with <100 µs loop latency and dual-core lockstep verification. Use Value: Enables certified EPS systems meeting ISO 26262 ASIL-D via replicated cores, FCCU-managed fault escalation, and hardware BIST. | Use Scenario: Sensor fusion (accelerometer, pressure, seat occupancy), crash decision logic, and pyrotechnic trigger sequencing under extreme thermal stress. IC Role / Device Role / Timing Role: Central safety MCU performing deterministic crash classification and dual-channel squib firing with sub-2 ms end-to-end latency. Use Value: Achieves ASIL-D compliance through replicated junction temperature sensors, redundant FlexCAN/FlexRay comms, and lockstep core execution. |
| Brake-by-Wire Actuation | Hydraulic Power Steering (EHPS) |
Use Scenario: Closed-loop hydraulic pressure control, pedal feel simulation, and brake system health monitoring in x-by-wire architectures. IC Role / Device Role / Timing Role: Safety-certified actuator controller interfacing with high-resolution ADCs, PWM-driven solenoids, and CAN FD backbone. Use Value: Delivers functional safety via ECC memory, replicated eDMA channels, and FCCU-initiated safe state entry on detected faults. | Use Scenario: High-bandwidth pump motor control, fluid temperature compensation, and vehicle dynamics integration in heavy-duty steering systems. IC Role / Device Role / Timing Role: Real-time motor controller with FlexPWM timing precision, CTU-synchronized ADC sampling, and FlexRay-based chassis coordination. Use Value: Supports ASIL-B to ASIL-D system decomposition using SoR replication and hardware-enforced memory protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5643LFF2MLQ1R | Same silicon, tape-and-reel packaging variant - identical electrical, thermal, and safety specifications | No functional difference; intended for automated SMT assembly vs. tray packaging | Select based on production line feeder compatibility, not performance or safety capability |
| SPC560P50L5CEFAY | Single e200z0 core, 80 MHz max, 512 KB flash, no FlexRay, ASIL-B rated only | Limited to lower-complexity body control modules where full ASIL-D is not required | Not a drop-in replacement; lacks LockStep, FlexRay, and dual ADC resources needed for EPS/airbag use cases |
Compared with SPC5643LFF2MLQ1, the MPC5643LFF2MLQ1R offers identical functionality in alternate packaging, while the SPC560P50L5CEFAY provides cost-optimized ASIL-B capability at the expense of safety architecture depth, FlexRay, and dual-core throughput-making it unsuitable for primary EPS or airbag controllers.
Availability
SPC5643LFF2MLQ1 is available at Aetrix Electronics and suitable for electric power steering (EPS), airbag deployment systems, brake-by-wire actuators, and hydraulic power steering (EHPS) requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC5643LFF2MLQ1 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 SPC5643LFF2MLQ1 belongs to NXP's SPC56x automotive MCU family, engineered specifically for ASIL-D safety-critical vehicle dynamics and restraint systems-including EPS, airbag, and brake-by-wire controllers.
FAQ
What safety certifications does the SPC5643LFF2MLQ1 support?
The SPC5643LFF2MLQ1 is designed to meet ISO 26262 ASIL-D requirements through hardware features including LockStep dual-core execution, FCCU fault collection, replicated watchdog and temperature sensors, and boot-time MBIST/LBIST. It is supported by NXP's Safety Application Guide and certified safety documentation packages-but final system-level certification remains the responsibility of the end customer's safety case.
Does the SPC5643LFF2MLQ1 include integrated flash memory with error correction?
Yes, the SPC5643LFF2MLQ1 integrates 1 MB of on-chip flash memory with full ECC (1-bit correction, 2-bit detection) and Read-While-Write (RWW) capability. This allows safe firmware updates during runtime without interrupting safety-critical tasks-a key requirement for ASIL-D automotive applications.
What is the operating temperature range for the SPC5643LFF2MLQ1?
The SPC5643LFF2MLQ1 supports an ambient operating temperature range of −40 °C to +125 °C and a junction temperature range of −40 °C to +150 °C. These ratings are validated for the MAPBGA-257 package and apply under specified voltage (3.0–3.6 V) and thermal design conditions per the MPC5643L datasheet.
Which communication interfaces are available on the SPC5643LFF2MLQ1?
The SPC5643LFF2MLQ1 provides two FlexCAN 2.0B interfaces (32 message objects each), one FlexRay v2.1 module (2 channels, 64 message buffers), three DSPI channels, two LINFlexD UART/LIN interfaces, and Nexus Class 3+ debug. These interfaces meet automotive domain controller requirements for deterministic, fault-tolerant networking.
Is the SPC5643LFF2MLQ1 pin-compatible with other MPC5643L variants?
Yes, the SPC5643LFF2MLQ1 shares the same 257-ball MAPBGA package and pinout as other MPC5643L devices in the same package option (e.g., MPC5643LFF2MLQ1R). However, feature availability (e.g., second FlexPWM, eTimer_2) depends on silicon revision and configuration-always verify against the specific device summary table in Rev. 10 of the MPC5643L datasheet.
SPC5643LFF2MLQ1 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:
- e200z4
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5643LFF2MLQ1 FAQ
1.How can I place an order for SPC5643LFF2MLQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5643LFF2MLQ1 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 SPC5643LFF2MLQ1 reliable?
The price and inventory of SPC5643LFF2MLQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5643LFF2MLQ1 is usually 5 days.
3.What payment methods are accepted for SPC5643LFF2MLQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5643LFF2MLQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5643LFF2MLQ1?
SPC5643LFF2MLQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5643LFF2MLQ1 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 SPC5643LFF2MLQ1?
For technical support, including SPC5643LFF2MLQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5643LFF2MLQ1 requirements.
6.How does Aetrix verify that SPC5643LFF2MLQ1 is sourced from the original manufacturer or authorized distributors?
All SPC5643LFF2MLQ1 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 SPC5643LFF2MLQ1 meets industry standards.
7.What is the process for return or replacement of SPC5643LFF2MLQ1?
All SPC5643LFF2MLQ1 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5643LFF2MLQ1, 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 SPC5643LFF2MLQ1 part is unused and in its original packaging.
Return procedure for SPC5643LFF2MLQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SPC5643LFF2MLQ1 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
