My Inquiry
My Account
NXP Semiconductors SPC5643LFF2MMM1
- Part No.:
- SPC5643LFF2MMM1
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 257-LFBGA
- Datasheet:
-
SPC5643LFF2MMM1.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 257MAPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,528
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SPC5643LFF2MMM1 from NXP Semiconductors is a dual-core automotive microcontroller based on Power Architecture e200z4d CPUs operating up to 120 MHz, featuring 1 MB flash with ECC, 128 KB SRAM with ECC, and integrated FlexRay, dual FlexCAN 2.0B, and SIL3/ASIL-D safety architecture for lockstep operation. It targets electric power steering (EPS), airbag control, and EHPS systems.
For engineers reviewing the SPC5643LFF2MMM1 datasheet, SPC5643LFF2MMM1 pinout, SPC5643LFF2MMM1 application, or SPC5643LFF2MMM1 equivalent, key selection criteria include dual-core lockstep safety compliance, 257-pin MAPBGA package (14 mm × 14 mm × 0.8 mm), -40 °C to 125 °C ambient rating, FMPLL clocking, and Nexus Class 3+ debug support.
Technical Context
The SPC5643LFF2MMM1 implements two replicated e200z4d cores supporting both LockStep mode (for ASIL-D fault detection) and Decoupled Parallel mode (for high-performance dual-task execution), each with 4 KB instruction cache, MMU, VLE, and SPE. Its crossbar switch provides four master ports (dual BIUs, eDMA, FlexRay) and three slave ports (flash controller, SRAM controller, peripheral bridge).
Safety is enforced via Sphere of Replication (SoR) covering CPU, eDMA, and XBAR; Fault Collection and Control Unit (FCCU); Redundancy Control and Checker Unit (RCCU); boot-time MBIST/LBIST; replicated watchdog and junction temperature sensors; and 16-region MPU. All safety-critical peripherals-including FlexCAN, FlexRay, ADC, and CTU-are integrated within the SoR boundary.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture v2.03, Harvard bus, 5-stage pipeline, VLE & SPE support |
| Max Core Frequency | 120 MHz with ±2% frequency modulation; enables real-time motor control loop execution at ≤1 µs latency |
| Memory | 1 MB flash with ECC and RWW capability + 128 KB SRAM with ECC; supports EEPROM emulation in flash |
| Safety Certification | SIL3 / ASIL-D compliant via LockStep mode, FCCU, RCCU, replicated peripherals, and boot-time BIST |
| Communication Interfaces | 2× FlexCAN 2.0B (32 message objects each), 2× LINFlexD, 3× DSPI, 1× FlexRay v2.1 (2 channels, 64 buffers, 10 Mbit/s) |
| Analog & Timing | 2× 12-bit ADC (16 ch total), programmable CTU for ADC/PWM/timer synchronization, 3× eTimer (6 ch each), 2× FlexPWM (4 ch each) |
| Package & Environment | 257-pin MAPBGA (14 mm × 14 mm × 0.8 mm), -40 °C to 125 °C ambient, -40 °C to 150 °C junction |
Pinout & Package
SPC5643LFF2MMM1 uses a 257-ball MAPBGA package (14 mm × 14 mm × 0.8 mm) with 1.0 mm ball pitch, designed for automotive PCB layouts requiring thermal and EMI robustness. Pin assignments follow NXP's MPC5643L pinout specification (Rev. 10, Section 2.1), with dedicated supply, ground, clock, reset, Nexus debug, and functional I/O balls distributed across the array.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main core supply | 3.0–3.6 V input powering CPU, memory, and digital logic; requires local 100 nF + 10 µF decoupling |
| VDD_ANA | Analog supply | Independent 3.0–3.6 V rail for ADC, CTU, SWG; isolated from digital noise to maintain 12-bit accuracy |
| XTAL_IN / XTAL_OUT | Crystal oscillator interface | Supports 4–40 MHz external crystal; internal FMPLL generates system clocks with spread-spectrum modulation |
| NEXUS_TDI / TDO / TCK / TMS | Nexus Class 3+ debug port | Enables real-time trace, non-intrusive debugging, and safety-critical software validation per ISO 26262 |
| FLEXRAY_A_TX / RX | FlexRay Channel A differential pair | Compliant with FlexRay v2.1 physical layer; supports 2.5–10 Mbit/s data rates with built-in protocol engine |
| CAN0_TX / CAN0_RX | FlexCAN 0 differential interface | ISO 11898-1 compliant; supports CAN FD framing when used with external transceiver; 32 configurable message objects |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4d LockStep Core | Hardware-enforced instruction-level comparison between cores detects transient faults; triggers FCCU-safe state transition |
| Replicated Safety Peripherals | FCCU, RCCU, CTU, ADC, eTimer, and FlexCAN modules duplicated and cross-checked-no single point of failure in SoR |
| On-chip Flash with RWW | 1 MB flash partitioned for simultaneous code execution and firmware update without system halt; ECC corrects 1-bit errors |
| FlexRay v2.1 Module | Two independent channels, 64 message buffers, deterministic time-triggered communication for x-by-wire applications |
| Programmable Cross Triggering Unit (CTU) | Synchronizes ADC sampling, PWM edge generation, and eTimer events with sub-microsecond precision-critical for motor FOC |
Applications
| Electric Power Steering (EPS) | Airbag Control Unit (ACU) |
|---|---|
Use Scenario: Real-time torque assist calculation, motor phase current sensing, and fail-safe shutdown during crash events. IC Role / Device Role / Timing Role: Primary safety-critical controller executing ASIL-D software; manages FlexRay backbone comms, dual CAN buses, and 2× ADCs for current/voltage feedback. Use Value: LockStep core and replicated ADCs ensure <100 ns fault detection latency; RWW flash enables over-the-air safety firmware updates without vehicle downtime. |
Use Scenario: Sensor fusion from accelerometers, pressure sensors, and seat occupancy detectors to trigger pyrotechnic devices within 15 ms. IC Role / Device Role / Timing Role: Central ASIL-D decision engine with dual FlexCAN interfaces for sensor network, replicated SWT for watchdog supervision, and CTU-synchronized ADC sampling. Use Value: FCCU-managed safe state activation within 3 clock cycles of fault detection; 16-region MPU prevents memory corruption across sensor drivers and actuator stacks. |
| Electro-Hydraulic Power Steering (EHPS) | Brake-by-Wire Interface Controller |
Use Scenario: Closed-loop control of hydraulic pump motor and solenoid valves using PWM outputs and analog pressure feedback. IC Role / Device Role / Timing Role: High-integrity motion controller interfacing FlexPWM (4 ch), eTimer (6 ch), and dual 12-bit ADCs with CTU-triggered sampling. Use Value: Sub-µs CTU synchronization ensures precise PWM dead-time insertion and ADC capture aligned to motor commutation zero-crossings. |
Use Scenario: Bridging FlexRay backbone to multiple CAN-based brake calipers and pedal position sensors in redundant architectures. IC Role / Device Role / Timing Role: Safety gateway with dual FlexCAN, FlexRay, and LINFlexD; performs message filtering, CRC validation, and fail-operational arbitration. Use Value: FlexRay channel redundancy and replicated DSPI interfaces enable hot-swappable sensor module replacement without interrupting brake control loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5643LFF2MLL1 | Same die, 144-pin LQFP package (20 mm × 20 mm × 1.4 mm); lacks eTimer_2 and second FlexPWM module | Limited I/O count and no external eTimer_2 access; suitable for cost-sensitive EPS variants without complex timing requirements | Select only if board space allows larger LQFP and application does not require BGA-specific peripherals |
| SPC56EL70L5COY | Single e200z7 core (180 MHz), 2 MB flash, no FlexRay, enhanced CAN FD support, same 257 MAPBGA footprint | Higher performance for ADAS domain controllers but lacks FlexRay and dual-core lockstep for ASIL-D actuation | Choose when migrating from SPC5643LFF2MMM1 to CAN FD-centric architectures without FlexRay dependency |
Compared with SPC5643LFF2MMM1, MPC5643LFF2MLL1 trades FlexRay and BGA-optimized peripherals for lower-cost packaging, while SPC56EL70L5COY upgrades core speed and flash capacity but abandons FlexRay and lockstep safety-making it unsuitable for ASIL-D actuation where SPC5643LFF2MMM1 remains the validated choice.
Availability
SPC5643LFF2MMM1 is available at Aetrix Electronics and suitable for electric power steering (EPS), airbag control units (ACU), and electro-hydraulic power steering (EHPS) requiring stable component supply, long-term automotive lifecycle support, and ASIL-D qualification documentation.
Supply support for SPC5643LFF2MMM1 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets with >50 years of embedded systems leadership.
The SPC5643LFF2MMM1 belongs to NXP's SPC56 family of automotive MCUs, engineered specifically for ASIL-D safety-critical vehicle dynamics and restraint systems-integrating lockstep processing, hardware BIST, and FlexRay/CAN/FlexPWM peripherals into a single die.
FAQ
What is the package type and dimensions of the SPC5643LFF2MMM1?
The SPC5643LFF2MMM1 uses a 257-ball MAPBGA package measuring 14 mm × 14 mm × 0.8 mm with 1.0 mm ball pitch. This compact, thermally efficient package is qualified for automotive under-hood environments and supports high-density routing for safety-critical signal integrity. The SPC5643LFF2MMM1 pinout is fully documented in NXP's MPC5643L datasheet Rev. 10, Section 2.1.
Does the SPC5643LFF2MMM1 support ASIL-D compliance out of the box?
Yes-the SPC5643LFF2MMM1 achieves ASIL-D compliance through hardware-enforced features including dual-core LockStep execution, Sphere of Replication (SoR) for CPU/eDMA/XBAR, FCCU fault reporting, boot-time MBIST/LBIST, and replicated watchdog/timer/ADC modules. Full qualification evidence is provided in NXP's Safety Application Guide for MPC5643L, which applies directly to the SPC5643LFF2MMM1.
What debug interface does the SPC5643LFF2MMM1 provide?
The SPC5643LFF2MMM1 integrates a Nexus Class 3+ debug port with TDI/TDO/TCK/TMS pins, enabling real-time instruction trace, non-intrusive breakpoints, and safety-critical software validation per ISO 26262. This interface supports third-party tools like Lauterbach TRACE32 and iSystem winIDEA for ASIL-D development workflows. The SPC5643LFF2MMM1 debug capabilities are identical across all MPC5643L variants.
Can the SPC5643LFF2MMM1 execute code while writing to flash memory?
Yes-the SPC5643LFF2MMM1 supports Read-While-Write (RWW) functionality in its 1 MB flash memory, allowing concurrent code execution and firmware updates without halting the CPU. This capability is enabled by hardware partitioning and ECC protection, and is validated in the SPC5643LFF2MMM1's flash controller architecture per Section 1.5.5 of the datasheet.
Which communication protocols are supported by the SPC5643LFF2MMM1 for automotive networking?
The SPC5643LFF2MMM1 natively supports FlexRay v2.1 (2 channels, 10 Mbit/s), dual FlexCAN 2.0B interfaces (32 message objects each), 2× LINFlexD UART/LIN modules, and 3× DSPI controllers. These protocols meet AUTOSAR-compliant automotive networking requirements for x-by-wire, powertrain, and body control domains. All interfaces are included in the SPC5643LFF2MMM1 silicon configuration without external transceivers.
SPC5643LFF2MMM1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 257-LFBGA
- 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:
SPC5643LFF2MMM1 FAQ
1.How can I place an order for SPC5643LFF2MMM1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5643LFF2MMM1 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 SPC5643LFF2MMM1 reliable?
The price and inventory of SPC5643LFF2MMM1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5643LFF2MMM1 is usually 5 days.
3.What payment methods are accepted for SPC5643LFF2MMM1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5643LFF2MMM1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5643LFF2MMM1?
SPC5643LFF2MMM1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5643LFF2MMM1 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 SPC5643LFF2MMM1?
For technical support, including SPC5643LFF2MMM1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5643LFF2MMM1 requirements.
6.How does Aetrix verify that SPC5643LFF2MMM1 is sourced from the original manufacturer or authorized distributors?
All SPC5643LFF2MMM1 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 SPC5643LFF2MMM1 meets industry standards.
7.What is the process for return or replacement of SPC5643LFF2MMM1?
All SPC5643LFF2MMM1 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5643LFF2MMM1, 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 SPC5643LFF2MMM1 part is unused and in its original packaging.
Return procedure for SPC5643LFF2MMM1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SPC5643LFF2MMM1 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…
