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S32N5 software development kit (SDK)[S32N5SDK_PB]
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S32N5 Software Development Kit (SDK)
The S32N5 Software Development Kit (SDK) is a preintegrated reference software stack for the NXP S32N5 vehicle super-integration processor. Using Foundation Subsystem (FSS) firmware isolation, it runs AUTOSAR MCAL and Real-Time Drivers (RTD) on Arm® Cortex®-R52 cores within freedom-from-interference cohorts. The SDK demonstrates secure cohort boot, cryptographic services, interprocessor communication, automotive networking and distributed functional safety.
软件详情
框图
Features
Boot and Isolation
- Cohort secure boot: FSS firmware and Communication Real-time Subsystem (CRS) application cohort booted securely by Hardware Security Engine (HSE), with image integrity verified via the Secure Memory Region (SMR) mechanism
- Inter and intracohort isolation: Supports multiple isolated cohorts (and subdivided domains) on a single system on chip (SoC), providing freedom from interference
- Boot to Safety: The CRS cohort executes a boot-to-safety startup flow to establish the safety context
- FSS runtime boot service: The FSS boot manager controls the intercohort boot flow and reports cohort status
Security, Cryptography and Interprocessor Communication
- Distributed AES Accelerator (ACE+): Supports concurrent Advanced Encryption Standard (AES) operations from CRS and RTU0 cohorts
- Cryptographic services: Provides AES-128-ECB encryption and decryption, Cipher-based Message Authentication Code (CMAC) generation and verification, and key isolation through the HSE interface
- Distributed Cryptographic Acceleration and Assurance Module (CAAM): Provides CAAM access to the from the CRS and RTU0 cohorts
- Intercohort and intracohort communication: Supports client-server communication between CRS and RTU cohorts and between cores within a cohort
- Remote command - Commands sent to the CRS through a universal asynchronous receiver-transmitter (UART) interface are forwarded to different cores through the Inter-Platform Communication Framework (IPCF)
Automotive Networking
- CAN communication and FlexLLCE accelerator: Supports internal and external Controller Area Network (CAN) communication and autonomous CAN offload and gateway engine capabilities
- Inter-Cohort communication via Ethernet: Uses the Network Ethernet Controller (NETC) switch for internal and external (SGMII/RGMII) loopback
- External communication via Ethernet (TCP/IP): RTU3 to external device, demonstrating the TCP/IP stack
- SGMII and RGMII Support: Both physical layers are supported. Reduced Gigabit Media Independent Interface (RGMII) is used by default and can be switched to Serial Gigabit Media Independent Interface (SGMII)
- generalized Precision Time Protocol (gPTP) synchronization and Time-Sensitive Networking (TSN) stack: Supports gPTP synchronization and TSN features, including frame preemption, time-aware shaping and frame replication and elimination
- Peripheral Component Interconnect Express (PCIe) configuration: Configures an external device with status reporting
Functional Safety and Diagnostics
- Distributed safety: Supports hardware fault injection and detection, FSS error handling and cohort recovery
- Structural Core Self-Test (SCST): Provides a self-test library for Arm Cortex-R52 cores to increase diagnostic coverage
System Resource Management
- Cohort memory handling: Provides a shared xSPI interface between cohorts, with each cohort using its own Host Interface (HIF)
- Core load measurement: Measures the per-core computational load assessment
- Cohort peripheral and I/O handling: Provides per-cohort, fully isolated control of general-purpose input/output (GPIO), watchdogs, timers and UARTs.
- Mode manager: Manages and shares state information across all cohorts
- Sensor temperature measurement: Reports per-resource temperature readings (FSS, RTU0-RTU3, SMMS0) reported to the console at runtime
Monitoring, Logging and Connectivity
- Log and command interface: Provides UART-based logging and command handling across cohorts through IPCF
- Event logger: Automatic event-based data logging
- Cloud telemetry: Gathers telemetry from each cohort and sends it to the cloud
- FreeMASTER: Provides real-time monitoring, visualization and graphical control panel
- HTTP server: Provides a basic web server offering control over the log system
支持的器件
- S32N5: S32N5超高集成度汽车处理器
