NXP Semiconductors SPC5668EK0MMG

Overview

SPC5668EK0MMG from NXP Semiconductors is a 32-bit automotive microcontroller featuring dual Power Architecture e200z650 (116 MHz) and e200z0 (58 MHz) cores, 2 MB on-chip flash, 128 KB ECC SRAM, 32-channel eDMA, 64-channel 10-bit ADC with 64 internal channels, and five FlexCAN modules. It targets engine control units and chassis domain controllers requiring ASIL-B compliance and real-time deterministic execution.

For engineers reviewing the SPC5668EK0MMG datasheet, SPC5668EK0MMG pinout, SPC5668EK0MMG application, or SPC5668EK0MMG equivalent, key selection criteria include its 256-ball MAPBGA package, -40 °C to 105 °C operating range, cross-triggering unit for synchronized ADC conversions, and support for up to five independent CAN 2.0B buses in safety-critical vehicle networks.

Technical Context

The SPC5668EK0MMG implements a dual-core architecture where the e200z650 core handles primary real-time control tasks with 32 KB unified cache and MMU, while the e200z0 core manages I/O processing and peripheral offload at half the clock speed. Its memory subsystem includes ECC-protected SRAM and flash with read-while-program/erase capability for robust firmware updates.

Timing and communication are managed via FMPLL with 4–40 MHz crystal support, six eSCI modules (configurable as LIN masters), four DSPI interfaces, four I²C modules, and five FlexCAN controllers-each with 64 configurable mailboxes. The Cross-Triggering Unit (CTU) enables hardware-synchronized ADC sampling triggered by eMIOS200 timers or other peripherals.

Key Specifications

Pinout & Package

SPC5668EK0MMG is housed in a 256-ball MAPBGA package (17 mm × 17 mm, Pb-free), with ball pitch of 0.8 mm. Pin assignments follow the MPC5668x 256 MAPBGA ball map (Figure 4, Rev. 7 datasheet), supporting full I/O muxing per SIU_PCRn configuration.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC5668EK0MMG, MPC5668GF1AVMJ4 offers identical functionality but lacks full automotive qualification, while SPC56EL70L5COY trades CTU and eMIOS200 determinism for higher single-core performance and larger SRAM-making it viable only where hardware-synchronized sampling is not required.

Availability

SPC5668EK0MMG is available at Aetrix Electronics and suitable for engine control units, chassis domain controllers, and transmission control modules requiring stable component supply, long-term automotive lifecycle support, and ASIL-B-compliant silicon.

Supply support for SPC5668EK0MMG 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications.

The SPC5668EK0MMG belongs to NXP's SPC56 family of automotive MCUs, designed specifically for ASIL-B powertrain and chassis control applications with integrated safety mechanisms, ECC memory, and hardware-accelerated real-time peripherals.

FAQ

What is the operating temperature range of the SPC5668EK0MMG?

The SPC5668EK0MMG is rated for operation from –40 °C to +105 °C ambient temperature, meeting automotive Grade 2 requirements. This range is validated per JEDEC JESD22-A104 and supports deployment in under-hood engine control and chassis applications where thermal stress is significant. The device incorporates on-die thermal monitoring and failsafe shutdown logic to protect against junction overheating.

Does the SPC5668EK0MMG support Nexus debug interface?

Yes, the SPC5668EK0MMG supports Nexus Class 3 debug on the e200z650 core and Nexus Class 2+ on the e200z0 core, but only in the 256-ball MAPBGA package. Debug signals-including EVTI, EVTO, and trace pins-are routed to specific balls (e.g., PC2, PC3, PK0, PJ2) as defined in the Rev. 7 datasheet Figure 4. This enables real-time trace, breakpoint, and memory inspection during ASIL-B software validation.

How many CAN controllers does the SPC5668EK0MMG integrate?

The SPC5668EK0MMG integrates five independent FlexCAN 2.0B controllers, each with 64 configurable mailboxes, acceptance filtering, and hardware timestamping. These are designated FlexCAN_A through FlexCAN_E and are physically isolated-allowing concurrent operation on separate CAN buses without resource contention. This configuration supports multi-domain vehicle networking without external CAN gateways.

What is the role of the Cross-Triggering Unit (CTU) in the SPC5668EK0MMG?

The Cross-Triggering Unit (CTU) in the SPC5668EK0MMG provides hardware-level synchronization between eMIOS200 timers and the ADC module. It allows an eMIOS200 channel output (e.g., PWM edge or counter overflow) to directly trigger ADC conversion start-eliminating CPU intervention and software latency. This is essential for phase-accurate current sensing in motor control and synchronized cylinder pressure sampling in engine management.

Is the SPC5668EK0MMG pin-compatible with other MPC5668x variants?

No, the SPC5668EK0MMG is not pin-compatible with MPC5668G variants due to differing package footprints: SPC5668EK0MMG uses 256-ball MAPBGA, while MPC5668G devices use 208-ball MAPBGA. Even within the 256-ball family, pin functions differ between E- and G-variants (e.g., Ethernet/FlexRay presence). Board designs must be validated per the specific variant's ball map and signal properties table in the Rev. 7 datasheet.