DRA821U2CGBALMR

Overview

The DRA821U2CGBALMR is a System-on-Chip processor from the Texas Instruments Jacinto 7 family, built on 16-nm FinFET technology. It features a dual-core Arm Cortex-A72 subsystem operating at up to 2.0 GHz and four Arm Cortex-R5F real-time microcontrollers running at up to 1.0 GHz. The device includes 1 MB of shared L3 RAM with ECC and an External Memory Interface supporting LPDDR4 memory speeds up to 3200 MT/s. Key peripherals include a TSN/AVB Ethernet switch with two external ports, one PCIe Gen3 controller, USB 3.1 Gen1 DRD, and extensive automotive interfaces such as 20 CAN-FD ports.

Feature Summary

• Dual-core Arm Cortex-A72 (up to 2.0 GHz) and four Arm Cortex-R5F MCUs (up to 1.0 GHz)
• Integrated TSN/AVB Ethernet switch supporting two external ports
• 1 MB shared L3 RAM with ECC and LPDDR4 support up to 3200 MT/s
• Functional safety targeted for ASIL-D/SIL-3 in MCU domains

Applications

• Automotive gateway systems
• Vehicle compute platforms
• Body control modules
• Telematics control units
• V2X/V2V communication systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's nomenclature table to confirm feature sets such as AEC-Q100 qualification or security options. Ensure compatibility with the Processor SDK RTOS/Linux for software development. Check package specifications for the FCBGA-433 form factor during PCB layout planning.

Selection Notes

Select this model over the DRA821U4 variant when only two external Ethernet ports are required. Confirm that the 'C' speed grade meets the system timing requirements. Verify if functional safety certification documentation is needed for the target application domain.

Part Context

This component belongs to the DRA821U series within the Jacinto 7 processor family. It shares the same FCBGA-433 package dimensions (17.2 mm x 17.2 mm) as the DRA821U4 but offers a reduced Ethernet port count. It is designed for high-performance embedded applications requiring cloud connectivity and functional safety.

Replacement Considerations

The DRA821U4TGBALMR is a related part number within the same family. While it shares the same core architecture and package, it supports four external Ethernet ports instead of two. Software constraints must be applied to match the intended production device features.