NXP Semiconductors SPC5604EEF1MLH

Overview

SPC5604EEF1MLH from NXP Semiconductors is a 64-pin LQFP automotive microcontroller based on the Power Architecture e200z0h core (64 MHz, VLE-only), featuring 512 KB Code Flash with ECC, 96 KB SRAM with ECC, 10-bit ADC (7 channels), FlexCAN 2.0B, 2 LINFlex, 3 DSPI, Fast Ethernet Controller (MII-Lite), JPEG/MJPEG encoder, and 6× stereo audio interface. It serves as an in-vehicle gateway for video, audio, RADAR, and CAN/LIN/SPI data routing.

For engineers reviewing the SPC5604EEF1MLH datasheet, SPC5604EEF1MLH pinout, SPC5604EEF1MLH application, or SPC5604EEF1MLH equivalent, key selection criteria include its 64-pin LQFP package (10 mm × 10 mm), MII-Lite Ethernet support, integrated TSENS and BAM bootloader, and qualification for automotive ambient temperatures (–40 °C to +125 °C).

Technical Context

The SPC5604EEF1MLH implements a single-issue e200z0h CPU core compliant with Power Architecture embedded category and Variable Length Encoding only-no SPE support. Its memory subsystem includes ECC-protected 512 KB Code Flash, 64 KB Data Flash for EEPROM emulation, and 96 KB SRAM, all supporting fail-safe operation via SWT, NMI, and FCU.

Peripheral integration centers on high-bandwidth vehicle networking: a 100 Mbit/s Fast Ethernet Controller with IEEE 1588 precision timestamps (MII-Lite interface), dual LINFlex (one master/slave, one master-only), three DSPI controllers (2/2/4 chip selects), and FlexCAN with 32 message buffers. The device also integrates JPEG/MJPEG encoding and 6× stereo SAI for infotainment-grade audio/video processing.

Key Specifications

Pinout & Package

SPC5604EEF1MLH uses a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with dedicated supply domains: VDD_LV/VSS_LV (1.2 V core), VDD_HV/VSS_HV (3.3 V I/O), VDD_HV_ADC/VSS_HV_ADC (independent ADC supply), and VDD_HV_S_BALLAST (ballast source for internal regulator). All VDD_HV and VSS_HV pins must be shorted on PCB; ADC supplies require independent routing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC5604PEF1MLH, SPC5604EEF1MLH reduces SRAM cost and debug overhead while retaining identical peripheral sets for most gateway use cases; versus S32K144HAT0MLHT, it delivers native MII-Lite Ethernet and MJPEG encoding-eliminating two external ICs and associated layout complexity.

Availability

SPC5604EEF1MLH is available at Aetrix Electronics and suitable for automotive ADAS camera gateways, in-vehicle infotainment hubs, RADAR data aggregators, and body control module gateways requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.

Supply support for SPC5604EEF1MLH 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, with leadership in automotive MCUs, radar, and secure edge processing.

The SPC5604E product line targets automotive gateway and domain controller applications, integrating high-speed interfaces (Ethernet, CAN FD-ready FlexCAN), multimedia acceleration (JPEG/MJPEG, SAI), and functional safety features (ECC, FCU, SWT) for next-generation vehicle architectures.

FAQ

What is the maximum operating frequency of the SPC5604EEF1MLH CPU core?

The SPC5604EEF1MLH features an e200z0h CPU core operating at a maximum frequency of 64 MHz. This clock speed is achieved using the on-chip FMPLL with external crystal (4–40 MHz) or internal 16 MHz RC oscillator as reference. The core supports only Variable Length Encoding (VLE) instructions and does not implement the Signal Processing Engine (SPE), making it optimized for deterministic real-time gateway tasks rather than DSP-intensive workloads. SPC5604EEF1MLH maintains this frequency across its full –40 °C to +125 °C automotive operating range.

Does the SPC5604EEF1MLH support IEEE 1588 Precision Time Protocol (PTP) for Ethernet synchronization?

Yes, the SPC5604EEF1MLH Fast Ethernet Controller (FEC) includes hardware support for IEEE 1588 Precision Time Protocol (PTP) timestamping. It provides sub-microsecond timestamp resolution on both transmit and receive paths, enabling precise time synchronization across distributed vehicle networks-critical for multi-camera ADAS systems and synchronized sensor fusion. Timestamps are captured directly in the MII-Lite interface logic, independent of CPU load, ensuring deterministic latency. SPC5604EEF1MLH implements PTP in hardware without requiring firmware intervention for timestamp insertion or extraction.

How many CAN message buffers does the FlexCAN interface in the SPC5604EEF1MLH support?

The FlexCAN interface in the SPC5604EEF1MLH supports 32 message buffers, configurable as individual mailboxes for transmit and receive operations. These buffers enable flexible filtering, prioritization, and storage of CAN 2.0B frames (standard and extended identifiers), allowing concurrent handling of multiple ECUs (e.g., powertrain, chassis, body) without CPU polling overhead. Buffer allocation is managed via the Message Buffer Descriptor Table in SRAM, and each buffer can be assigned to specific CAN IDs or masks. SPC5604EEF1MLH uses this capability to serve as a robust CAN gateway in multi-domain vehicle architectures.

Can the SPC5604EEF1MLH operate without an external crystal oscillator?

Yes, the SPC5604EEF1MLH can operate using its internal 16 MHz RC oscillator as the system clock source, eliminating the need for an external crystal in cost-sensitive or space-constrained designs. However, the RC oscillator has ±2% frequency tolerance over temperature and voltage, making it unsuitable for applications requiring high-precision timing-such as Ethernet MAC operation, CAN bit timing, or ADC sampling clocks. For those functions, the external crystal (4–40 MHz) connected to XTAL/EXTAL pins is mandatory. SPC5604EEF1MLH supports seamless clock source switching between internal RC and external crystal via the Clock Generation Module (CGM).

What is the role of the Boot Assist Module (BAM) in the SPC5604EEF1MLH?

The Boot Assist Module (BAM) in the SPC5604EEF1MLH provides a factory-programmed ROM-resident bootloader that enables firmware updates over CAN or UART without requiring JTAG or external programming hardware. Upon reset with specific pin strapping (e.g., POR_B asserted), BAM activates and listens for boot commands on configured interfaces, then writes new application code to Flash memory using ECC-aware programming routines. This allows secure, field-upgradable firmware deployment-essential for OTA updates in modern vehicles. SPC5604EEF1MLH leverages BAM to reduce manufacturing test complexity and support post-deployment security patches.