SPC5643LF2MLQ1

Product Overview

The SPC5643LF2MLQ1 is a high-performance 32-bit automotive microcontroller from NXP Semiconductors' MPC56xx Qorivva family. It features a dual-core e200z4d Power Architecture processor operating at up to 120 MHz, with support for LockStep operation and advanced hardware safety features.

The device integrates 1 MB of Flash memory with ECC and 128 KB of on-chip SRAM with ECC, together with two 12-bit ADCs, FlexCAN, FlexRay, LINFlexD, DSPI, eTimer, FlexPWM, eDMA, and comprehensive automotive safety functions.

Designed for automotive and safety-critical embedded applications, the SPC5643LF2MLQ1 supports SIL3/ASIL-D-oriented safety concepts, including redundant processing resources, fault collection and control, memory and logic built-in self-test, watchdog protection, clock monitoring, and memory protection.

Key Features

• Dual-core e200z4d 32-bit Power Architecture processor

• CPU frequency up to 120 MHz

• Dual-issue, five-stage pipeline

• Variable Length Encoding (VLE)

• Memory Management Unit (MMU)

• 4 KB instruction cache with error detection

• Signal Processing Engine (SPE)

• 1 MB embedded Flash memory with ECC

• 128 KB on-chip SRAM with ECC

• Read-While-Write (RWW) capability

• LockStep operating mode

• Decoupled Parallel operating mode

• SIL3 / ASIL-D-oriented safety architecture

• Fault Collection and Control Unit (FCCU)

• Redundancy Control and Checker Unit (RCCU)

• Memory Built-In Self-Test (MBIST)

• Logic Built-In Self-Test (LBIST)

• ADC and Flash self-test support

• Replicated safety-enhanced watchdog

• 16-region Memory Protection Unit

• Clock Monitoring Units

• Power Management Unit

• CRC calculation unit

• Nexus Class 3+ debug interface

• 2 × 12-bit ADCs

• Up to 32 ADC input channels

• 2 × FlexCAN interfaces

• FlexRay V2.1 Rev. A interface

• 2 × LINFlexD channels

• 3 × DSPI channels

• 3 × 6-channel eTimer units

• 2 × FlexPWM modules

• 16-bit PWM channels

• 16-channel eDMA controllers

• On-chip CAN/UART bootstrap loader

• LQFP-144 package

• Automotive-grade operating temperature range of -40°C to +125°C

Technical Specifications

NXP/DigiKey data identifies the SPC5643LF2MLQ1 as a 32-bit dual-core e200z4 MCU with 1 MB Flash, 128 KB RAM, 120 MHz operation, 144-LQFP packaging, and -40°C to +125°C ambient operating temperature.

NXP's environmental documentation confirms the exact ordering code uses the SOT486-2 / LQFP144 package.

Automotive Safety & Processing Architecture

The SPC5643LF2MLQ1 is designed for automotive applications requiring high processing performance and functional safety.

Its dual-core e200z4d architecture supports LockStep operation, where redundant processing resources can execute and compare results for fault detection. The device also incorporates an advanced safety architecture including the Fault Collection and Control Unit (FCCU) and Redundancy Control and Checker Unit (RCCU).

Additional safety-related functions include:

• LockStep mode

• Decoupled Parallel mode

• Memory Protection Unit

• ECC-protected Flash

• ECC-protected SRAM

• MBIST

• LBIST

• Watchdog redundancy

• Clock monitoring

• Junction temperature monitoring

• Fault collection and control

• CRC hardware

• Non-maskable interrupt support

These features make the device appropriate for automotive control systems where reliability, diagnostics, and fault detection are important.

Communication & Connectivity

The SPC5643LF2MLQ1 provides several automotive communication interfaces for connecting control modules, sensors, actuators, and vehicle networks.

Supported interfaces include:

• 2 × FlexCAN

• FlexRay with 2 channels

• 2 × LINFlexD

• 3 × DSPI

• UART functionality

• Nexus Class 3+ debug interface

• CAN/UART bootstrap loader

The integrated FlexCAN and FlexRay interfaces make the device particularly suitable for automotive networking applications, while LINFlexD provides connectivity for lower-cost automotive peripheral networks.

Memory & Peripheral Resources

The SPC5643LF2MLQ1 integrates 1 MB of ECC-protected Flash memory and 128 KB of ECC-protected SRAM, providing substantial memory resources for automotive control firmware and real-time application data.

Additional integrated resources include:

• 4 KB instruction cache

• 16-channel eDMA

• 2 × 12-bit ADCs

• Up to 32 ADC input channels

• 3 × 6-channel eTimer modules

• 2 × FlexPWM modules

• CRC unit

• Watchdog timers

• Memory protection

• Power management

• Clock monitoring

The ADCs can be synchronized with timer and PWM operations through the integrated programmable cross-triggering functionality, making the MCU suitable for real-time motor and power-control applications.

Applications

The SPC5643LF2MLQ1 is suitable for a wide range of automotive and embedded applications, including:

• Automotive Control Systems

• Engine Control Systems

• Transmission Control

• Motor Control

• Electric Vehicle Systems

• Hybrid Vehicle Systems

• Automotive Body Electronics

• Chassis Control

• Automotive Networking

• Industrial Motor Control

• Powertrain Applications

• Safety-Critical Embedded Systems

• Real-Time Control Systems

• Data Acquisition Systems

• Automotive Gateway Systems

• Embedded Control Modules

Benefits

The SPC5643LF2MLQ1 combines dual-core 120 MHz processing, ECC-protected memory, extensive automotive communication interfaces, advanced timers, ADCs, and functional-safety features in a single MCU.

Its LockStep architecture and fault-management functions provide hardware support for applications requiring enhanced fault detection and system reliability.

The combination of FlexCAN, FlexRay, LIN, SPI, ADC, PWM, eTimer, and DMA peripherals allows engineers to develop sophisticated automotive control systems while reducing the need for additional external controllers.

The wide -40°C to +125°C ambient temperature range and automotive-oriented architecture make the SPC5643LF2MLQ1 well suited to demanding vehicle and industrial environments.

Packaging & Ordering Information

The exact SPC5643LF2MLQ1 is identified by NXP's environmental documentation as an SOT486-2 LQFP144package. DigiKey lists the device as an active product supplied in tray packaging.

Datasheet

For complete electrical characteristics, pin configuration, memory organization, safety architecture, peripheral descriptions, absolute maximum ratings, timing specifications, and application information, please refer to the official NXP documentation.

Datasheet:  SPC5643L Microcontroller Datasheet – NXP

The available datasheet documentation identifies the device as the MPC5643L Microcontroller, with dual e200z4d cores, 120 MHz maximum frequency, 1 MB Flash, 128 KB SRAM, and automotive safety features.

Frequently Asked Questions

What is SPC5643LF2MLQ1?

SPC5643LF2MLQ1 is a 32-bit automotive microcontroller from NXP Semiconductors' MPC56xx Qorivva family, featuring dual e200z4d processor cores and advanced functional-safety capabilities.

What processor core does SPC5643LF2MLQ1 use?

The device uses dual e200z4d 32-bit Power Architecture cores with a maximum frequency of 120 MHz.

How much Flash memory does SPC5643LF2MLQ1 have?

The SPC5643LF2MLQ1 provides 1 MB of ECC-protected embedded Flash memory.

How much RAM does SPC5643LF2MLQ1 have?

The device integrates 128 KB of ECC-protected on-chip SRAM.

Does SPC5643LF2MLQ1 support CAN?

Yes. The device integrates two FlexCAN interfaces supporting CAN 2.0B Active.

Does SPC5643LF2MLQ1 support FlexRay?

Yes. The MCU integrates a FlexRay V2.1 Rev. A module with two channels, supporting data rates up to 10 Mbit/s.

How many ADCs does SPC5643LF2MLQ1 have?

The device provides two 12-bit ADCs with up to 32 analog input channels.

What package is used for SPC5643LF2MLQ1?

The SPC5643LF2MLQ1 is supplied in an LQFP-144 package, with a package body size of approximately 20 mm × 20 mm. NXP identifies the package as SOT486-2.

What is the operating temperature of SPC5643LF2MLQ1?

The specified ambient operating temperature range is -40°C to +125°C, with a junction temperature range extending to +150°C.

What applications is SPC5643LF2MLQ1 suitable for?

It is suitable for automotive control, powertrain, transmission, motor control, automotive networking, body electronics, electric vehicle systems, industrial control, and other safety-oriented real-time embedded applications.

Can I request bulk pricing for SPC5643LF2MLQ1?

Yes. Contact our sales team with your required quantity and delivery destination to request current pricing, stock availability, MOQ, lead time, and shipping options.

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