AM6421BSFFHAALV

The AM6421BSFFHAALV is a Sitara AM64x series microprocessor IC from Texas Instruments featuring an ARM® Cortex®-A53 core running at 1 GHz in a 441-FCBGA (17.2 × 17.2 mm) package. Designed for industrial embedded systems, this industrial-grade device combines a 64-bit application processor with integrated co-processors, high-speed interfaces and extensive security features to address real-time communications, protocol offload and secure system designs.

Key Features

• Core  ARM® Cortex®-A53 64-bit processor at 1 GHz, single-core configuration as specified for this part.
• Integrated Co-processors and Accelerators  Includes ARM® Cortex®-M4F and ARM® Cortex®-R5F subsystems, NEON™ SIMD and PRU-ICSS for real-time and offload tasks.
• Memory Support  Supports DDR4 and LPDDR4 memory types. Datasheet series details include on-chip RAM up to 2 MB with SECDED ECC and a DDR subsystem with 16-bit data bus and inline ECC.
• Industrial Communication  Multiple Ethernet interfaces: 2× 10/100 Mbps and 2× 10/100/1000 Mbps. Series-level PRU_ICSSG supports industrial protocols such as Profinet, EtherNet/IP, EtherCAT and Time-Sensitive Networking (TSN).
• High-speed and Field Interfaces  USB 3.1 (1) interface and CANbus support are provided for high-bandwidth and vehicle/field-bus connectivity. Series details include 16550-compatible UART with dedicated clock for PROFIBUS support.
• Security  Comprehensive security feature set including 3DES, AES, ARM TrustZone, cryptography engines (PKA, RSA, ECC), DRBG, MD5, SHA-1/2, secure boot and a hardware random number generator.
• System Reliability and Services  On-chip memory ECC, secure proxy and DMA/messaging subsystems for reliable data movement and centralized system management (Device Management Security Controller and Data Movement Subsystem described in the series datasheet).
• Package & Environmental  441-FCBGA (17.2 × 17.2 mm) surface-mount package; industrial operating temperature range −40 °C to 105 °C. RoHS compliant.

Typical Applications

• Industrial Automation  Real-time control and industrial Ethernet endpoints using PRU-ICSS and multi-rate Ethernet ports for protocol offload and deterministic communication.
• Industrial Gateways and Protocol Converters  High-speed Ethernet and USB combined with dedicated co-processors enable secure, high-throughput protocol bridging and gateway functions.
• Motion and Motor Control  PRU and MCU subsystems plus encoder/capture support and sigma-delta inputs (series features) provide real-time I/O processing for motion control and precision feedback tasks.
• Embedded Security Appliances  Hardware secure boot, cryptographic accelerators and TrustZone-based isolation make it suitable for systems requiring strong root-of-trust and secure communications.

Unique Advantages

• Highly integrated industrial communications  On-chip PRU-ICSSG and multiple Ethernet ports reduce external components for industrial protocol support and time-sensitive networking.
• Comprehensive security stack  Built-in cryptography, secure boot and TrustZone support enable secure device identity, protected boot and encrypted communications.
• Deterministic real-time capability  Dedicated MCU and PRU subsystems permit separation of real-time tasks from application processing for reliable control and timing.
• Memory reliability  On-chip ECC-protected RAM and DDR inline ECC (series-level) improve data integrity in critical embedded applications.
• Industrial temperature and packaging  441-FCBGA surface-mount package and −40 °C to 105 °C rating support deployment in industrial environments.

Why Choose AM6421BSFFHAALV?

The AM6421BSFFHAALV combines a 1 GHz ARM® Cortex®-A53 application core with integrated co-processors, rich connectivity and a broad security feature set to address industrial embedded designs that require real-time processing, protocol offload and secure operation. As a member of the Sitara AM64x series from Texas Instruments, it offers a balance of compute, deterministic I/O and system-level services suitable for industrial automation, gateway and control applications.

Built-in memory reliability features, industrial temperature rating and a compact 441-FCBGA package make this part a practical choice when you need a compact, secure and communication-capable MPU for long-lived industrial deployments.

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