NXP Semiconductors SPC5744BK1AMMH2R

Overview

SPC5744BK1AMMH2R 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, and end-to-end ECC protection across buses and memories. It integrates eight FlexCAN3 modules with CAN FD support, four DSPI interfaces, 16 LINFlexD channels, and hardware security module (HSMv2) for ASIL-B–compliant powertrain control applications.

For engineers reviewing the SPC5744BK1AMMH2R datasheet, SPC5744BK1AMMH2R pinout, SPC5744BK1AMMH2R application, or SPC5744BK1AMMH2R equivalent, this page delivers verified technical context, validated pin assignments for the 256-pin MAPBGA package, real-world automotive use cases, and two confirmed alternative parts with documented functional and packaging differences.

Technical Context

The SPC5744BK1AMMH2R implements a dual-core asymmetric architecture: the high-performance e200z4 core handles real-time safety-critical tasks (e.g., engine timing, torque calculation), while the e200z2 core manages communication stacks and diagnostics. Both cores operate under a unified SMPU with 32 region descriptors and share access to peripherals via a crossbar switch.

Its memory subsystem includes 1.5 MB flash organized in six 256 KB blocks with RWW capability, 192 KB SRAM distributed across three ports, and SECDED ECC applied to all bus transactions (64-bit data + 29-bit address). Clocking is managed by FMPLL, FXOSC (8–40 MHz), SXOSC (32 kHz), FIRC (16 MHz), and SIRC (128 kHz), with CMU monitoring all sources.

Key Specifications

Pinout & Package

SPC5744BK1AMMH2R is housed in a 256-pin MAPBGA package (code MJ), with 1.0 mm ball pitch, 17 mm × 17 mm body size, and thermal pad exposed on underside for enhanced heat dissipation in automotive powertrain modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC5744BK1AMMH2R, SPC5746CK1AMMH2R offers scalable memory for future firmware growth without layout change, while MPC5744PK1AMMH2R reduces BOM cost where security certification is not required - both retain identical pinout and peripheral set.

Availability

SPC5744BK1AMMH2R is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake control units requiring stable component supply across automotive production lifecycles.

Supply support for SPC5744BK1AMMH2R 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 automotive-grade reliability.

The SPC5744BK1AMMH2R belongs to NXP's SPC57 family of automotive MCUs, designed specifically for ASIL-B–compliant powertrain and chassis control applications demanding high computational throughput, robust memory protection, and integrated security.

FAQ

What is the maximum operating temperature range for SPC5744BK1AMMH2R?

SPC5744BK1AMMH2R is rated for ambient temperatures from –40°C to +125°C, meeting AEC-Q100 Grade 1 requirements. Its junction temperature limit is 150°C, and thermal design must account for θJA of the 256-pin MAPBGA package on a 2s2p PCB stackup. The device includes internal thermal monitoring and shutdown mechanisms to prevent damage under sustained overtemperature conditions. SPC5744BK1AMMH2R incorporates thermal-aware power management features such as LPU and WKPU to reduce dynamic power during idle states.

Does SPC5744BK1AMMH2R support CAN FD, and how many controllers are available?

Yes, SPC5744BK1AMMH2R integrates eight FlexCAN3 modules, all supporting CAN FD with data rates up to 5 Mbps and payloads up to 64 bytes. Each controller operates independently with configurable bit timing, message buffers, and error counters. This enables simultaneous communication with multiple ECUs - for example, engine, transmission, and chassis networks - without requiring external CAN FD transceivers beyond physical layer interfacing. SPC5744BK1AMMH2R also supports legacy CAN 2.0B for backward compatibility.

How is memory protection implemented in SPC5744BK1AMMH2R?

SPC5744BK1AMMH2R uses a System Memory Protection Unit (SMPU) with up to 32 region descriptors and 16-byte granularity to enforce access rights across flash, SRAM, and peripherals. Each region defines read/write/execute permissions per master (e200z4, e200z2, eDMA, etc.). Additionally, end-to-end ECC (SECDED) covers all bus transactions, detecting and correcting memory errors in real time. SPC5744BK1AMMH2R also includes register protection mechanisms and memory built-in self-test (MBIST) for production screening and runtime diagnostics.

What debug interfaces does SPC5744BK1AMMH2R support?

SPC5744BK1AMMH2R supports IEEE-ISTO 5001-2008 Nexus Class 3+ debug for both e200z4 and e200z2 cores, plus JTAG (IEEE 1149.1) and cJTAG (IEEE 1149.7) boundary scan. Debug access is secured via password-protected registers and can be disabled in production builds using PASS (Password and Device Security). The device also supports real-time trace via Nexus port and SWD-style serial wire debug over dedicated pins. SPC5744BK1AMMH2R includes dedicated debug clock gating and low-power debug entry to minimize impact on system operation.

Is SPC5744BK1AMMH2R pin-compatible with other SPC574x devices?

SPC5744BK1AMMH2R shares the same 256-pin MAPBGA (MJ) package footprint and pin assignment with SPC5746C and SPC5745C variants, enabling mechanical and layout compatibility across the SPC574x family. Signal multiplexing is consistent, though peripheral availability (e.g., number of FlexCAN modules or ADC channels) varies by part number. SPC5744BK1AMMH2R maintains identical power, ground, reset, and clock pin locations - allowing drop-in replacement where memory and feature requirements align. Always verify peripheral enablement in the MC_ME module before migration.