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Source: Online materials

Compiled by: Li Xiaoyao

Introduction

Recently, due to work requirements, I have been learning about NXP’s S32K344, hoping to document my learning process through this blog, which not only makes it easier to find information later but also helps me grasp some details during the sorting process. This is a gain in itself. Due to the lack of materials, I can only rely on the official documents. As a beginner, please feel free to correct any mistakes.

1. S32K3 Series

1. Features

The S32K series is a microcontroller aimed at automotive electronics, launched by NXP in 2017. The S32K3 series includes MCUs based on the Arm Cortex-M7, featuring single-core, dual-core, and lock-step configurations, supporting ASIL B/D safety applications. Features include a hardware security engine with NXP firmware, support for firmware over-the-air (FOTA) updates, and free ISO 26262 compliant real-time software drivers for AUTOSAR and non-AUTOSAR applications. The S32K3 MCU uses NXP’s new MaxQFP package, which reduces the board area by 55% compared to standard QFP packages.

2. Advantages of S32K3

1. Safety

1. Complies with ISO 26262, with maximum compliance to ASIL B/D standards

2. Fault collection and control unit

3. Hardware and software watchdogs, clock/power/temperature monitors

4. Functional safety documents

5. HSE security engine – AES-128/192/256, RSA, ECC, secure boot & key storage; side-channel protection; compliant with ISO 21434

   

2. High Performance

1. Dual-core Arm Cortex-M7 at 120-240 MHz + FPU for powerful performance.

2. Ethernet TSN/AVB (100 Mbps/1Gbps), I3C, CAN FD, FlexIO (SPI/IIC/IIS/SENT protocols), serial audio interfaces, and QSPI support various bus interfaces with strong scalability.

3. 12-bit 1 Msps ADC,

4. 16-bit eMIOS timers with logic control units for motor control, low-power operation and standby modes, fast wake-up, and clock and power gating.

S32K144 Product Introduction

S32K144 Main Features

High Performance— ARM® Cortex® M4F up to 112 MHz (with integrated FPU)— eDMA starting from the 57xxx seriesSoftware Friendly Architecture— High RAM to Flash ratio— Independent CPU and peripheral clocks— 48 MHz 1% IRC – LP no PLL initialization required— Registers maintainable in all modes— ADC with programmable triggers→ no software delay counters or additional interruptsFunctional Safety— ASIL B or above provides ISO26262 support— Memory protection unit— Flash/data flash and RAM with ECC— Watchdog with independent internal OSC— Diversity between ADC and ACMP— Diversity between SPI/SCI and FlexIO— Kernel self-test library— Expandable LVD protection— CRC— Supports CANFD

Low Power Consumption— Low leakage technology— Various VLP modes and IRC combinations— Analog threshold wakeupSecurity— CSEc(SHE-spec)Package and IO— 3.3 V open-drain and high drive current pins— Power-on ESD protection— Packages: 100 BGA, 64LQFP, 100 LQFPOperating Characteristics— Voltage range: 2.7 V to 5.5V— Temperature (ambient): -40°C to +125°C

Most Scalable Product Portfolio

8 K to 2 M+ Flash

Hardware and software compatibility

Complete Software Solutions

⊿ S32 Design Studio

⊿ Software Development Kit (SDK)

⊿ Autosar MCAL + OS

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