NXP Semiconductors SPC5642AF2MVZ2

Overview

SPC5642AF2MVZ2 from NXP Semiconductors (formerly Freescale) is a 32-bit Power Architecture® automotive microcontroller featuring a 150 MHz e200z4 core, 2 MB on-chip flash with ECC and read-while-write, 128 KB SRAM with ECC and standby mode, triple FlexCAN interfaces (64 message buffers each), and integrated FlexRay v2.1 controller supporting up to 10 Mbit/s. It targets engine control units (ECUs) and transmission control modules requiring ASIL-B functional safety compliance.

For engineers reviewing the SPC5642AF2MVZ2 datasheet, SPC5642AF2MVZ2 pinout, SPC5642AF2MVZ2 application, or SPC5642AF2MVZ2 equivalent, key selection criteria include its dual-channel FlexRay support, 24-channel eMIOS for precise timing control, eTPU2 with 32 channels for real-time waveform generation, junction temperature sensor (±20°C accuracy), and Nexus Class 3+ debug capability for production-grade diagnostics.

Technical Context

The SPC5642AF2MVZ2 implements a superscalar e200z4 core with VLE encoding, dual execution units, and SPE/EFPU2 extensions enabling both fixed-point DSP and single-precision floating-point operations. Its memory subsystem includes an 8 KB configurable instruction cache, 2 MB flash with RWW and ECC, and 128 KB SRAM with ECC and 32 KB low-power standby partition.

Peripheral integration centers on deterministic real-time I/O: three DSPI modules (two with LVDS support), three eSCI interfaces (two supporting MSC uplink), six eQADC command queues with 40 input channels and 688 ns minimum conversion time, and a 4×4 crossbar switch enabling concurrent access to flash, SRAM, calibration bus, and peripheral bridge by CPU, eDMA, FlexRay, and instruction/data buses.

Key Specifications

Pinout & Package

SPC5642AF2MVZ2 is packaged in a 208-ball MAPBGA (13 × 13 mm, 0.8 mm pitch) with exposed thermal pad. Pin assignments are defined per Freescale MPC5642A Rev. 3.1 datasheet Section 2.2 (208 MAP BGA ballmap).

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC5642AF2MVZ2, SPC5643FCK0MLL3 trades FlexRay for Ethernet and larger memory, while MPC5744P extends safety certification to ASIL-D and adds hardware security-but neither offers pin compatibility, requiring layout revision for migration.

Availability

SPC5642AF2MVZ2 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply across automotive production lifecycles.

Supply support for SPC5642AF2MVZ2 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 focused on automotive, industrial, IoT, and communication infrastructure solutions, with deep expertise in functional safety and secure processing.

The SPC5642AF2MVZ2 belongs to the Qorivva MPC56xx family-designed specifically for mid-range automotive powertrain and chassis control applications demanding ASIL-B compliance, real-time determinism, and high-integration analog/mixed-signal capability.

FAQ

What is the maximum operating frequency of the SPC5642AF2MVZ2 core?

The SPC5642AF2MVZ2 features a 150 MHz e200z4 Power Architecture® core. This maximum frequency is achievable under specified voltage (VDD_MAIN = 5.0 V ± 5%) and temperature (–40°C to +125°C junction) conditions per MPC5642A Rev. 3.1 datasheet Section 3.16. The FMPLL supports dynamic frequency scaling for power optimization, but the core is not rated beyond 150 MHz in any configuration. SPC5642AF2MVZ2 must be operated within this limit to guarantee timing closure and functional safety compliance.

Does the SPC5642AF2MVZ2 support ASIL-B functional safety certification?

Yes, the SPC5642AF2MVZ2 includes hardware features required for ASIL-B compliance per ISO 26262: memory protection unit (MPU), ECC on flash and SRAM, CRC unit with three submodules, junction temperature sensor, and Nexus Class 3+ debug for traceability. Freescale's Qorivva documentation confirms these mechanisms meet ASIL-B requirements when implemented per the safety manual. SPC5642AF2MVZ2 is widely deployed in certified engine and transmission ECUs.

What package type and pin count does the SPC5642AF2MVZ2 use?

The SPC5642AF2MVZ2 uses a 208-ball MAPBGA package (13 × 13 mm, 0.8 mm pitch) with exposed thermal pad, as documented in MPC5642A Rev. 3.1 datasheet Section 4.1.2. This package is pinout-compatible with Freescale's MPC5634M devices and upwardly compatible with the standardized MPC563xM family ballmap. SPC5642AF2MVZ2 does not use LQFP or TEPBGA variants-only the 208 MAPBGA variant matches this exact part number.

Can the SPC5642AF2MVZ2 execute code while writing to flash memory?

Yes, the SPC5642AF2MVZ2 supports Read-While-Write (RWW) functionality in its 2 MB on-chip flash memory. This allows concurrent execution from one flash block while programming another, enabling safe in-field firmware updates without halting real-time control tasks. RWW operation requires proper sector locking and ECC handling per MPC5642A Rev. 3.1 Section 1.5.8. SPC5642AF2MVZ2 implements this feature in hardware with no software arbitration overhead.

What is the role of the eTPU2 in the SPC5642AF2MVZ2?

The eTPU2 (enhanced Time Processing Unit, second generation) in the SPC5642AF2MVZ2 is a dedicated 32-channel coprocessor that handles high-frequency, deterministic timing tasks-including PWM generation, edge capture, and waveform synthesis-without CPU intervention. It includes a 6-channel reaction module for closed-loop control. In SPC5642AF2MVZ2, eTPU2 reduces CPU load by >40% in engine control applications, enabling sub-microsecond response for spark timing and injector firing.