NXP Semiconductors SPC5775EDK3MME3R

Overview

SPC5775EDK3MME3R from NXP is a dual-core Power Architecture® Z7 MCU with lockstep safety architecture, operating at 264 MHz, featuring 4 MB Flash with ECC, 512 kB RAM with ECC, and integrated 4× sigma-delta ADCs (20-channel total) and 96-channel eTPU2 for software resolver implementation in motor control systems.

For engineers reviewing the SPC5775EDK3MME3R datasheet, SPC5775EDK3MME3R pinout, SPC5775EDK3MME3R application, or SPC5775EDK3MME3R equivalent, key selection criteria include ASIL-D-capable lockstep execution, CAN FD + MCAN dual-protocol support, 100 Mbps Ethernet, and on-chip CSE2 security engine for tamper-resistant firmware protection.

Technical Context

The SPC5775EDK3MME3R implements two Z7 cores - one master and one lockstep monitor - both running at 264 MHz with 16 kB I-cache and D-cache, SPE1.1/VLE instruction set, FPU, MMU, and hardware-assisted CRC/FCCU for ISO 26262 ASIL-D compliance. It integrates FMPLL clock generation and PMU for dynamic power management.

Its analog subsystem includes four independent sigma-delta ADCs (20 total channels), four eQADC modules (70 channels), and a dedicated 96-channel eTPU2 timer for real-time motor phase timing, dead-time insertion, and position estimation without external resolver ICs.

Key Specifications

Pinout & Package

SPC5775EDK3MME3R is housed in a 416-pin MAPBGA package (17 mm × 17 mm, 0.8 mm pitch) with thermal pad, designed for automotive under-hood applications requiring high I/O density and thermal reliability.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar motor control and safety MCU applications.

Compared with SPC5775BDK3MME2 and S32K344W1MTAT0ML, the SPC5775EDK3MME3R uniquely combines 264 MHz lockstep Z7 performance, 96-channel eTPU2, and 4× sigma-delta ADCs - enabling single-chip software resolver and ASIL-D motor control without analog signal chain compromises.

Availability

SPC5775EDK3MME3R is available at Aetrix Electronics and suitable for hybrid traction inverters, battery management systems, engine control units, and ASIL-D safety domain controllers requiring stable component supply across automotive production lifecycles.

Supply support for SPC5775EDK3MME3R 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The SPC5775E series belongs to NXP's SPC5 automotive MCU family, engineered specifically for ASIL-D functional safety-critical applications including electric powertrain control, battery management, and safety domain coordination.

FAQ

What is the maximum operating frequency of the SPC5775EDK3MME3R?

The SPC5775EDK3MME3R operates at a maximum CPU frequency of 264 MHz on both Z7 cores, with one core executing in lockstep mode for fault detection. This speed is validated across the full −40 °C to +125 °C ambient temperature range and supports deterministic real-time motor control loop execution within 1.2 µs interrupt latency. The SPC5775EDK3MME3R achieves this via FMPLL-based clock synthesis with jitter suppression.

Does the SPC5775EDK3MME3R support CAN FD and classical CAN simultaneously?

Yes, the SPC5775EDK3MME3R integrates two MCAN controllers supporting CAN FD (up to 5 Mbps) and four FlexCAN modules supporting classical CAN (up to 1 Mbps), all operable concurrently. This allows the SPC5775EDK3MME3R to serve as a domain gateway - for example, bridging high-speed battery telemetry (CAN FD) with legacy chassis networks (classical CAN) without protocol translation overhead.

How does the eTPU2 in the SPC5775EDK3MME3R enable software resolver functionality?

The SPC5775EDK3MME3R includes a 96-channel eTPU2 programmable timer that executes resolver excitation waveform generation, sine/cosine signal edge capture, and arctangent calculation in hardware - eliminating the need for external resolver ICs. Paired with its 4× sigma-delta ADCs, the SPC5775EDK3MME3R performs full software-based rotor position estimation at 20 kHz update rate with <0.1° electrical angle error.

What safety certifications apply to the SPC5775EDK3MME3R?

The SPC5775EDK3MME3R is qualified to AEC-Q100 Grade 1 (−40 °C to +125 °C) and supports ISO 26262 ASIL-D and IEC 61508 SIL-3 system-level compliance through integrated features: dual lockstep Z7 cores, ECC on Flash/RAM/EEPROM, FCCU fault collection unit, and CSE2 hardware security engine with tamper detection. These capabilities are documented in NXP's MPC5775BEFS REV 1 functional safety manual.

Is the SPC5775EDK3MME3R pin-compatible with other SPC5775x variants?

Yes, the SPC5775EDK3MME3R shares identical 416-pin MAPBGA mechanical footprint and signal mapping with SPC5775BDK3MME2 and SPC5775EDK3MME1, enabling drop-in replacement within the same package variant. However, differences in eTPU2 availability, ADC count, and clock speed require firmware validation - the SPC5775EDK3MME3R's enhanced analog and timing resources do not alter pin assignments or power sequencing requirements.