NXP Semiconductors SPC5744BBK1AMMH2

Overview

SPC5744BBK1AMMH2 from NXP Semiconductors is a dual-core automotive microcontroller featuring a 160 MHz Power Architecture® e200z4 CPU and an 80 MHz e200z2 CPU, 1.5 MB on-chip flash memory, 192 KB SRAM with end-to-end ECC, and integrated FlexCAN3 with FD support. It operates across –40°C to +125°C and targets engine control units (ECUs) requiring ASIL-B functional safety compliance.

For engineers reviewing the SPC5744BBK1AMMH2 datasheet, SPC5744BBK1AMMH2 pinout, SPC5744BBK1AMMH2 application, or SPC5744BBK1AMMH2 equivalent, key selection criteria include dual-core deterministic timing, CAN FD communication for high-bandwidth vehicle networks, ECC-protected memory for fault resilience, and qualification per AEC-Q100 Grade 0.

Technical Context

The SPC5744BBK1AMMH2 implements a tightly coupled dual-core architecture where the e200z4 core handles real-time control tasks and the e200z2 core manages communication stacks and diagnostics. Both cores share access to peripherals via a crossbar switch and are protected by a System Memory Protection Unit (SMPU) with 16 region descriptors.

Its clock system includes an 8–40 MHz external crystal oscillator (FXOSC), 16 MHz FIRC, 128 kHz SIRC, and FMPLL with frequency modulation for EMI reduction. The device supports boot from internal flash via Boot Assist Flash (BAF) and features a Hardware Security Module (HSMv2) for secure firmware updates and life-cycle management.

Key Specifications

Pinout & Package

SPC5744BBK1AMMH2 is housed in a 256-pin MAPBGA package (package code MJ) with 0.8 mm pitch, optimized for thermal dissipation and board-level reliability in automotive powertrain modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller applications.

Compared with MPC5746B and SPC5744PK1MMH3, the SPC5744BBK1AMMH2 offers optimal balance of ASIL-B compliance, CAN FD bandwidth, and thermal robustness for powertrain applications-without over-provisioning flash or sacrificing security certification.

Availability

SPC5744BBK1AMMH2 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake-by-wire control units requiring stable component supply across automotive production lifecycles.

Supply support for SPC5744BBK1AMMH2 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 functional safety and embedded security.

The SPC5744BBK1AMMH2 belongs to NXP's SPC57 family of automotive MCUs, designed specifically for powertrain and chassis control applications demanding high computational throughput, real-time determinism, and ISO 26262 compliance.

FAQ

What is the maximum operating frequency of the SPC5744BBK1AMMH2 e200z4 core?

The SPC5744BBK1AMMH2 e200z4 core operates at a maximum frequency of 160 MHz, validated across the full –40°C to +125°C ambient temperature range and supported by the FMPLL with frequency modulation for EMI mitigation. This frequency enables execution of complex control algorithms within tight real-time deadlines required for modern engine management systems. The SPC5744BBK1AMMH2 maintains timing closure under worst-case voltage and temperature conditions per its AEC-Q100 Grade 0 qualification.

Does the SPC5744BBK1AMMH2 support CAN FD, and how many channels are available?

Yes, the SPC5744BBK1AMMH2 supports CAN FD on all six FlexCAN interfaces, with data rates up to 5 Mbps and payload lengths up to 64 bytes. Each channel is independently configurable for bit timing, message filtering, and error handling. This capability allows the SPC5744BBK1AMMH2 to serve as a central gateway or domain controller in next-generation vehicle architectures where high-bandwidth communication between powertrain and chassis ECUs is essential.

What functional safety certifications apply to the SPC5744BBK1AMMH2?

The SPC5744BBK1AMMH2 is certified to ISO 26262 ASIL-B at the device level, with hardware features including end-to-end ECC, Fault Collection and Control Unit (FCCU), System Memory Protection Unit (SMPU), and redundant watchdog timers (SWT/STM/PIT). These mechanisms are documented in NXP's safety manual and enable developers to achieve ASIL-D system-level compliance through software partitioning and diagnostic coverage. The SPC5744BBK1AMMH2 is also qualified per AEC-Q100 Grade 0 for automotive under-hood environments.

How much on-chip flash and SRAM does the SPC5744BBK1AMMH2 provide?

The SPC5744BBK1AMMH2 integrates 1.5 MB of on-chip flash memory and 192 KB of on-chip SRAM, both protected by end-to-end ECC. Flash is organized into eight 256 KB blocks with RWW capability for background programming, while SRAM is distributed across three physical ports to support concurrent access by CPU cores and DMA. This memory configuration supports AUTOSAR OS, complex control models, and diagnostic data logging without external memory expansion. The SPC5744BBK1AMMH2 uses triple-port flash memory controller architecture to sustain high read/write throughput during real-time operation.

What package type and pin count does the SPC5744BBK1AMMH2 use?

The SPC5744BBK1AMMH2 is packaged in a 256-pin MAPBGA (package code MJ) with 0.8 mm ball pitch and exposed thermal pad, designed for high thermal conductivity and mechanical reliability in automotive powertrain modules. This package supports 178 GPIOs and provides dedicated power/ground ball arrangements to minimize noise coupling in mixed-signal applications. The SPC5744BBK1AMMH2's MJ package is footprint-compatible with other members of the SPC574x family, enabling scalable platform design across performance tiers.