NXP Semiconductors S32K311NHT0VPASR

Overview

S32K311NHT0VPASR from NXP Semiconductors is an ASIL-B automotive-qualified Arm Cortex-M7 microcontroller operating up to 120 MHz, featuring 1 MB program flash with ECC, 128 KB SRAM with ECC (including 96 KB TCM), and support for CAN FD, LPUART, LPSPI, and LPI2C interfaces. It targets body control modules, gateway ECUs, and battery management systems in harsh-temperature environments.

For engineers reviewing the S32K311NHT0VPASR datasheet, S32K311NHT0VPASR pinout, S32K311NHT0VPASR application, or S32K311NHT0VPASR equivalent, key selection criteria include its 120 MHz Cortex-M7 core with FPU/DSP, -40 °C to 125 °C ambient operation, integrated safety features (ECC, SWT, XRDC), and flexible package options including HDQFP100 and MAPBGA257.

Technical Context

The S32K311NHT0VPASR implements a single-core Arm Cortex-M7 CPU executing the Armv7 and Thumb®-2 ISA, with integrated Single Precision FPU and configurable NVIC. Its memory subsystem includes instruction/data caches and TCM RAM optimized for deterministic real-time control loops.

Clock architecture integrates FXOSC (8–40 MHz), FIRC (48 MHz), SIRC (32 kHz), SXOSC (32 kHz), and SPLL for precise domain-specific frequency synthesis. Power management uses PMC with RUN/STANDBY modes and peripheral-specific clock gating to maintain low-power operation without sacrificing responsiveness.

Key Specifications

Pinout & Package

Available in HDQFP100 and MAPBGA257 packages. Pin count and I/O configuration vary by package; HDQFP100 provides 100 leads with exposed thermal pad, supporting compact PCB layouts and efficient heat dissipation in space-constrained automotive modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32K311NHT0VPASR, S32K312NHT0VPASR offers expanded memory for complex firmware while maintaining identical safety level and package footprint; S32K341NHT0VPASR upgrades to ASIL-D via lockstep cores but increases power and cost for non-critical domains.

Availability

S32K311NHT0VPASR is available at Aetrix Electronics and suitable for body control modules, vehicle gateway ECUs, and battery management systems requiring stable component supply across automotive production lifecycles.

Supply support for S32K311NHT0VPASR 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 markets, with leadership in automotive MCUs and radar technology.

The S32K3xx product line was designed specifically for next-generation automotive electronic control units requiring ASIL-B/D compliance, real-time determinism, and scalable memory/peripheral integration - with S32K311NHT0VPASR targeting cost-optimized general-purpose applications.

FAQ

What is the maximum operating frequency of the S32K311NHT0VPASR?

The S32K311NHT0VPASR operates at a maximum CPU frequency of 120 MHz using its Arm Cortex-M7 core. This speed is achieved with the System PLL locked to the FXOSC or FIRC source, and is validated across the full -40 °C to 125 °C temperature range and 2.97–5.5 V supply. The S32K311NHT0VPASR does not support the 160 MHz or 240 MHz frequencies found in higher-tier S32K3xx variants like S32K322 or S32K328.

Does the S32K311NHT0VPASR support CAN FD?

Yes, the S32K311NHT0VPASR integrates three FlexCAN modules, each supporting CAN FD protocol with data rates up to 5 Mbps and extended payload lengths. All CAN FD channels implement ISO 11898-1:2015 compliance, including bit rate switching and CRC-17 error detection. This capability is confirmed in the S32K3xx Data Sheet Rev. 14, Figure 2 (S32K311 block diagram) and Section 7.3.1.

What package options are available for the S32K311NHT0VPASR?

The S32K311NHT0VPASR is offered in HDQFP100 and MAPBGA257 packages, both with exposed thermal pads for enhanced thermal performance. These packages are explicitly listed in the S32K3xx Data Sheet Rev. 14, Section 1.3 "I/O and package", and are pin-compatible across the S32K31x family for migration flexibility. LQFP48 and MAPBGA437 are not supported by this specific variant.

Is the S32K311NHT0VPASR qualified for automotive use?

Yes, the S32K311NHT0VPASR is AEC-Q100 Grade 1 qualified and certified to ASIL-B per ISO 26262. It includes hardware safety mechanisms such as ECC on all memories, dual SWT timers, XRDC-based access protection, and centralized error detection via FCCU. These features are documented in Sections 5.1 (Reliability, safety and security) and Figure 2 of the S32K3xx Data Sheet Rev. 14.

Does the S32K311NHT0VPASR include hardware cryptographic acceleration?

Yes, the S32K311NHT0VPASR integrates the Hardware Security Engine (HSE-B), which provides AES-128/256 acceleration, SHA-256, and RSA/ECC support. While HSE-B firmware is upgradable and includes side-channel protections, note that advanced features like Evita Full compliance and TRNG are shared across the S32K3xx family and confirmed for S32K311 in Section 5.1 and Figure 2 of the datasheet.