Le blog de l'entreprise TI AM2432BSDGHIALXR High-Performance 800MHz Dual-Core Arm Cortex-R5F Sitara™ MCU

Shenzhen Mingjiada Electronics Co., Ltd. supplies and recycles the TI AM2432BSDGHIALXR, a high-performance 800MHz dual-core Arm Cortex-R5F Sitara™ MCU.

The AM2432BSDGHIALXR is a high-performance industrial-grade microcontroller (MCU) within the Sitara™ series. Centred around an 800MHz dual-core Arm Cortex-R5F, it integrates highly integrated peripherals, reliable real-time processing capabilities and comprehensive security features. It is specifically designed for industrial applications requiring both real-time communication and high-performance processing, It is widely used in Industry 4.0-related equipment such as motor drives and remote I/O modules, providing efficient and stable core control solutions for industrial automation systems.

I. Core Architecture: Dual-Core Parallel Processing, Unlocking New Heights in Real-Time Processing

The core strength of the AM2432BSDGHIALXR lies in its powerful processor architecture, featuring two Arm Cortex-R5F cores. Each core operates at a maximum frequency of 800MHz and supports both dual-core cooperative operation and single-core independent operation modes. This design balances processing performance with flexible configuration requirements, perfectly meeting the stringent real-time control demands of industrial environments.

Each Cortex-R5F core is equipped with a 32KB instruction cache and a 32KB data cache. All memory supports SECEDED ECC (Single Error Correction, Double Error Detection) functionality, effectively enhancing the reliability of data transmission and storage. This prevents data errors caused by factors such as electromagnetic interference in complex industrial environments, ensuring stable system operation. In dual-core mode, each core can be allocated 64KB of TCM (Tightly Coupled Memory); in single-core mode, a single core can exclusively utilise 128KB of TCM. Through low-latency memory access, real-time processing efficiency is further enhanced, effortlessly meeting the processing demands of ultra-demanding control scenarios such as current loops and speed loops in servo drives.

Furthermore, the AM2432BSDGHIALXR integrates a single-core Arm Cortex-M4F MCU operating at up to 400MHz, paired with 256KB of SRAM featuring SECED ECC. This enables the MCU to independently handle lightweight tasks such as auxiliary control and peripheral management, thereby implementing task partitioning, optimising system resource allocation, and reducing the load on the main core.

II. Key Parameters: Comprehensive Adaptation to Industrial Application Requirements

Centred on high integration and broad adaptability, the AM2432BSDGHIALXR’s key parameters cover the core requirements of industrial scenarios, as detailed below:

- Core Specifications: Dual-core Arm Cortex-R5F (up to 800MHz) + single-core Arm Cortex-M4F (up to 400MHz), 32-bit RISC architecture, with a highly efficient and streamlined instruction set focused on real-time processing.

- Memory Configuration: Built-in on-chip RAM (OCSRAM) of up to 2MB with SECED ECC, which can be partitioned into up to 8 independent memory groups in 256KB increments; each memory group can be allocated to different cores, facilitating software task partitioning; Supports LPDDR4 and DDR4 external memory, with a 16-bit data bus featuring inline ECC, supporting speeds of up to 1600MT/s to meet the demands of high-capacity data storage and high-speed access.

- Power Supply and Temperature: The operating voltage range covers 0.81V to 3.465V (typical values: 0.85V, 1.1V, 1.2V, 1.8V, 3.3V), making it suitable for industrial-grade wide-voltage applications; the operating temperature range is -40°C to 125°C, enabling stable operation in extreme high and low-temperature industrial environments and demonstrating exceptional environmental adaptability.

- Package Specifications: Utilises a 293-pin FCBGA surface-mount package, with maximum dimensions of 11.1mm × 11.1mm and a maximum height of 0.71mm. The compact package design effectively saves PCB layout space and is suitable for small industrial control modules.

- Compliance: Complies with EU RoHS standards; ECCN (US) is 5A992.C; HTS code is 8542.31.00.25; the product status is active and available for bulk purchase; the minimum order quantity is 1,000 pieces; the manufacturer’s lead time is approximately 18 weeks.

III. Peripherals and Communications: High Integration, Simplified System Design

The AM2432BSDGHIALXR highly integrates a variety of industrial-grade peripherals and communication interfaces, enabling multi-scenario industrial control and data transmission without the need for additional dedicated chips. This significantly simplifies system design and reduces hardware costs. Specific features include:

Industrial Communication Interfaces

Integrated with two Gigabit industrial communication subsystems (PRU_ICSSG), supporting various industrial Ethernet protocols such as Profinet IRT, Profinet RT, EtherNet/IP, EtherCAT and Time-Sensitive Networking (TSN). It is also backwards compatible with 10/100Mb PRU-ICSS, meeting the requirements for real-time, high-speed communication between devices in industrial automation. Each PRU_ICSSG comprises two chipset modules, each equipped with three PRU RISC cores (PRU, PRU-RTU, PRU-TX). It supports features such as CRC16/32 hardware acceleration and SUM32 hardware accelerators, further enhancing communication efficiency and reliability.

In addition, it features 3 Ethernet ports (supporting RGMII 10/100/1000Mbps and MII 10/100Mbps), 2 CAN controllers, 8 UARTs, 4 SPIs and 3 I2C interfaces, comprehensively covering common communication methods in industrial environments and enabling flexible integration with various devices such as sensors, actuators and host computers.

Control and Monitoring Peripherals

Equipped with 7 PWM (Pulse Width Modulation) channels, 1 12-bit ADC (including 8 channels), 16 timers, 4 watchdogs, 1 enhanced capture module (ECAP), 6 multi-protocol position encoder interfaces, and 18 Σ-Δ filter module (SDFM) interfaces. It also supports short-circuit and overcurrent protection, allowing direct connection to devices such as motors and sensors to achieve precise motor control, signal acquisition and fault detection without the need for additional peripheral expansion.

Data Movement and Management

Integrated Data Movement Subsystem (DMSS), comprising Block Copy DMA (BCDMA), Packet DMA (PKTDMA), Security Proxy (SEC_PROXY) and Ring Accelerator (RINGACC), enables high-speed data transmission and efficient management, reducing kernel intervention and enhancing overall system processing efficiency; Equipped with a time synchronisation subsystem, comprising a Central Platform Time Synchronisation (CPTS) module and a Timer Manager (TIMERMANAGER) with 1,024 timers, it enables precise time synchronisation between devices, making it suitable for industrial collaborative control scenarios.

IV. Security and Management: Comprehensive Protection for Reliable System Operation

The AM2432BSDGHIALXR incorporates comprehensive security and system management mechanisms that balance data security with system stability, meeting the stringent security requirements of industrial environments:

- Security Features: Supports secure boot, features a built-in hardware-enforced Root of Trust (RoT), allows RoT switching via a backup key, and includes takeover protection, IP protection and anti-rollback protection functions; Integrated security coprocessor (DMSC-L) for key and security management, supporting AES (128/192/256-bit) and SHA2 (224/256/384/512-bit) encryption acceleration; the session-aware encryption engine automatically switches cryptographic materials based on input data streams, comprehensively safeguarding data transmission and storage security; Extensive firewall support enables system isolation, enhancing the system’s resistance to attacks.

- System Management: The built-in Device Management Security Controller (DMSC-L) acts as a centralised SoC system controller, responsible for managing system services such as initial boot, clock/reset/power management, and more. It communicates with various processing units via a message manager, optimising unused peripherals to reduce system power consumption; it supports JTAG and trace interfaces to enable on-chip debugging, facilitating system development and fault diagnosis for engineers.

V. Application Scenarios: Focusing on Industrial Automation, Empowering Smart Upgrades

Based on its high-performance real-time processing capabilities, highly integrated peripherals and reliable security features, the AM2432BSDGHIALXR is primarily used in the industrial automation sector. It is particularly suitable for scenarios requiring a combination of real-time communication and processing, specifically including:

- Motor drives: Suitable for equipment such as servo drives and variable frequency drives. Leveraging the high performance of the 800MHz dual-core Cortex-R5F, it effortlessly handles multi-level control loops for current, speed and position. Combined with a rich array of PWM and encoder interfaces, it enables precise motor control. Simultaneously, real-time communication between the drive and the host computer is achieved via an Industrial Ethernet interface, meeting the requirements of Industry 4.0 smart drives.

- Remote I/O modules: Serving as the core control unit for remote I/O modules, it communicates with the master controller via multi-protocol Industrial Ethernet interfaces. Utilising extensive I/O interfaces (148 I/O points) and ADC channels to acquire data from field sensors, it enables remote monitoring and control of industrial field equipment, finding widespread application in smart factories, production lines and similar scenarios.

- Industrial Control Terminals: Suitable for terminal devices such as industrial PLCs and motion controllers, these units utilise a multi-core architecture and highly integrated peripherals to simultaneously handle multiple tasks including control algorithms, data communication and fault detection. This enhances device response times and operational stability, providing efficient core support for industrial control systems.

VI. Product Advantages and Summary

As a high-performance MCU in TI’s Sitara™ series, the AM2432BSDGHIALXR’s core strengths lie in four key dimensions: “high performance, high integration, high reliability, and high security”. The 800MHz dual-core Cortex-R5F architecture delivers robust real-time processing capabilities to meet the demanding requirements of industrial control; highly integrated peripherals and communication interfaces simplify system design and reduce hardware costs; the industrial-grade wide temperature and voltage range design, combined with ECC memory, ensures stable operation in complex environments; and comprehensive security mechanisms provide all-round protection for data and system security.

Overall, the AM2432BSDGHIALXR precisely addresses the core requirements of the industrial automation sector. Through multi-core collaboration, highly integrated design and reliable security safeguards, it provides an integrated core control solution for applications such as motor drives and remote I/O, facilitating the upgrade of industrial equipment towards greater intelligence, efficiency and safety. It is a highly competitive MCU product for the Industry 4.0 era.