Click the blue text to follow us
The NXP S32K31x series chips utilize the ARM Cortex-M7 processor, offering higher frequencies, larger memory, more compact packaging, and enhanced safety levels (ASIL-B and ASIL-D), making them ideal for applications such as in-vehicle information systems, battery management systems, and body domain controllers. So, what unique advantages does this chip offer? Let’s explore.
Core Features: Technical Highlights of the S32K31x Series
1. Powerful Processing Performance
– ARM Cortex-M7 core: Up to 160MHz frequency, providing exceptional computational power.
– Hardware encryption module: Integrated HSE-B information security encryption module with ARM Cortex-M0+, ensuring data security.
2. High Specifications for Storage and Peripheral Support
Storage Capacity: Supports up to 4M Flash and 512KB SRAM, meeting the demands of complex applications.
Rich Interfaces:
– Up to 100Mbps Ethernet (TSN).
– Up to 6 CAN FD channels, supporting multiple LIN interfaces.
– SAI and I2S audio interfaces, suitable for in-vehicle entertainment systems.
Dedicated Motor Control Peripheral Modules: eMIOS, BCTU, LCU.
3. Compliance with Automotive Standards
AEC-Q100 Standard: Operating temperature up to 150℃, supporting 3V/5V input, suitable for harsh automotive environments.
Characteristics of Some Models in the S32K31x Series
Packaging Technology: Smaller Area, Higher Efficiency
The S32K31x series supports various packaging forms, including LQFP, MAPBGA, and NXP’s unique MAXQFP packaging. Notably, the HDQFP package combines the gull-wing pins of QFP with the J-type pins of PLCC, providing more IO pins in a smaller area. Compared to traditional LQFP packaging, the circuit board area is reduced by 65%, significantly lowering costs.
S32K31x vs S32K1x: Performance Comparison at a Glance
As both are NXP automotive general-purpose MCUs, let’s examine the differences between the S32K1x series and the S32K31x series.
|
S32K1x |
S32K31x |
|
|
Core |
M0+ @ 48MHz / M4F @ 80-112MHz single core |
M7 @ 120 MHz / M7 @ 160 MHz single core |
|
Flash |
128 KB – 2 MB |
512 KB – 4 MB |
|
RAM |
17-256 KB |
112 – 512 KB |
|
Security System |
CSEc |
HSE B |
|
Safety Level |
ASIL B |
ASIL B / D |
|
Peripheral Assembly |
Up to 100Mbps Ethernet (AVB), up to 3 CAN FD, FlexTimer, TRGMUX, PDB |
Up to 100Mbps Ethernet (TSN), up to 6 CAN FD, eMIOS, BCTU, LCU |
|
Packaging |
BGA / LQFP / QFN |
BGA / MAXQFP / LQFP |
The S32K31x series significantly surpasses the S32K1x series in processing performance, storage capacity, and safety levels, making it the preferred choice for high-performance automotive applications.
Development Tools for S32K31x: Facilitating Efficient Development
NXP provides a range of powerful development tools to help engineers get started quickly:
S32 Design Studio IDE: Based on Eclipse IDE, integrated with GNU compiler and debugger.
FreeMASTER: Runtime configuration and debugging software application.
MBDT: Model-based design toolbox that simplifies the development process.
Related Solutions Recommendations: Solutions based on the NXP S32K311 evaluation board
Frequently Asked Questions (QA)
Q1: What application scenarios are suitable for the S32K31x series?
A1: Mainly used in automotive fields such as in-vehicle information systems, battery management systems, and body domain controllers.
Q2: What advantages does the packaging technology of S32K31x offer?
A2: The MAXQFP packaging significantly reduces the circuit board area (by 65%) while providing more IO pins, lowering costs.
Q3: How to choose between the S32K31x and S32K1x series?
A3: If higher processing performance, larger storage capacity, and higher safety levels are required, the S32K31x series is recommended.
Q4: Do the development tools support cross-platform?
A4: Yes, the S32 Design Studio IDE is based on open-source software and supports multi-platform development.
Through this analysis, the NXP S32K31x series, with its powerful performance and flexible packaging technology, has become a star product in the automotive electronics field. If you are looking for a high-performance MCU, the S32K31x series is undoubtedly a choice worth considering.
Welcome to follow the Dalian Dalian Engineer Community – Dada Tong
👇👇👇
Click Read the original text to ask questions/comments, obtain technical documents, and more information!