NXP Semiconductors SPC5748GK1MMJ6R

Overview

SPC5748GK1MMJ6R from NXP Semiconductors is an automotive-qualified Power Architecture® microcontroller featuring dual 160 MHz e200Z4 cores and one 80 MHz e200Z2 core, 6 MB on-chip flash with ECC, 768 KB SRAM, and integrated HSMv2 security module. It supports ASIL-B functional safety compliance and delivers deterministic real-time control for vehicle gateway applications requiring CAN FD, FlexRay, Ethernet AVB, and USB OTG.

For engineers reviewing the SPC5748GK1MMJ6R datasheet, SPC5748GK1MMJ6R pinout, SPC5748GK1MMJ6R application, or SPC5748GK1MMJ6R equivalent, this part enables high-integrity communication routing, secure boot, and mixed-signal processing in automotive domain controllers - with attention to clock domain isolation, SMPU region configuration, and FMPLL jitter performance under thermal stress.

Technical Context

The SPC5748GK1MMJ6R implements a triple-core architecture with two high-performance e200Z4 CPUs (160 MHz) supporting single-precision floating-point and VLE encoding, plus one e200Z2 CPU (80 MHz) optimized for deterministic low-latency tasks. All cores share end-to-end ECC protection across bus transactions, covering 64-bit data and 29-bit addresses with SECDED correction.

Its peripheral subsystem includes eight FlexCAN3 modules with CAN FD support, dual-channel FlexRay 2.1, 10/100 Ethernet with IEEE 1588 and AVB, and three Synchronous Audio Interfaces (SAI) with fractional clock dividers - all accessible via multiple crossbar switches enabling concurrent access to flash, RAM, and peripherals without arbitration bottlenecks.

Key Specifications

Pinout & Package

SPC5748GK1MMJ6R is housed in a 256-pin MAPBGA package (package code MJ), measuring 14 mm × 14 mm with 0.8 mm pitch and exposed thermal pad. Pin assignments follow the MPC5748G family pinout defined in Section 9.1 of the Rev. 6 datasheet, supporting configurable I/O domains for FlexCAN, LINFlex, Ethernet, USB, MLB, uSDHC, and general-purpose GPIO.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC5748GK1MMJ6R, the MN6R variant offers greater I/O scalability at the expense of PCB area, while the SPC574SADK1MMJ6R provides a cost-optimized path for non-safety-critical or bandwidth-constrained applications - neither is pin-compatible, requiring layout revision and peripheral driver adaptation.

Availability

SPC5748GK1MMJ6R is available at Aetrix Electronics and suitable for automotive gateway systems, ADAS domain controllers, secure telematics units, and electric powertrain management applications requiring stable component supply across long production lifecycles.

Supply support for SPC5748GK1MMJ6R 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 SPC5748GK1MMJ6R belongs to NXP's SPC574xG automotive microcontroller family, designed specifically for high-integrity vehicle networking and domain control applications demanding ASIL-B compliance, hardware-accelerated security, and multi-protocol real-time communication.

FAQ

What is the maximum operating temperature range for the SPC5748GK1MMJ6R?

The SPC5748GK1MMJ6R is qualified for operation from –40°C to +125°C ambient temperature (Ta), with junction temperature (Tj) rated up to 150°C. This specification aligns with AEC-Q100 Grade 1 requirements and supports deployment in engine bay and transmission control environments where thermal robustness is critical. The device incorporates thermal monitoring circuits and voltage regulators designed to maintain stability across this full range.

Does the SPC5748GK1MMJ6R support CAN FD, and how many instances are available?

Yes, the SPC5748GK1MMJ6R integrates eight FlexCAN3 modules, all of which support CAN FD protocol with bit rates up to 5 Mbps in the data phase. Each module operates independently with configurable message buffers, acceptance filtering, and error confinement - enabling simultaneous high-bandwidth communication across multiple vehicle domains without software arbitration overhead.

How does the HSMv2 in the SPC5748GK1MMJ6R enhance secure boot functionality?

The Hardware Security Module v2 (HSMv2) in the SPC5748GK1MMJ6R performs cryptographic verification of boot images using SHA-256 hashing and RSA-2048 signature checking before execution. It isolates key storage and crypto operations from the main cores, preventing runtime extraction or modification. This ensures trusted boot chain integrity for SPC5748GK1MMJ6R-based systems complying with ISO/SAE 21434 and UNECE R155.

What clock sources are integrated into the SPC5748GK1MMJ6R?

The SPC5748GK1MMJ6R integrates four internal clock sources: 16 MHz FIRC (Fast IRC), 128 kHz SIRC (Slow IRC), and two external crystal interfaces - FXOSC (8–40 MHz) and SXOSC (32 kHz). These feed the FMPLL for system clock generation, RTC timing, and low-power mode operation. The CMU monitors clock stability and triggers resets upon deviation, ensuring timing reliability for SPC5748GK1MMJ6R real-time applications.

Is the SPC5748GK1MMJ6R pin-compatible with other members of the MPC5748G family?

No, the SPC5748GK1MMJ6R is not universally pin-compatible across the MPC5748G family. While it shares the 256-pin MAPBGA (MJ) package with variants like MPC5748CK1MMJ6R, differences in peripheral enablement, I/O multiplexing, and voltage domain assignments require careful signal mapping review. Pin compatibility must be verified per specific orderable part using NXP's MPC5748G Family Comparison tables and package drawings.