1 Introduction
The Jacinto7 J721E (DRA829/TDA4xM) EVM is a standalone test, development, and evaluation module system
that enables developers to write software and develop hardware around Jacinto7 J721E (DRA829/TDA4xM)
processor subsystem. The J721E processor is a KeyStone
™
III-based Multicore Arm
®
System-on-Chip (SoC).
It is a super-set processor/device and may be available is different configurations targeted for specific markets.
This EVM will support development of the super-set device (J721E) as well as the market specific devices
(DRA829/TDA4xM). Many features of the J721E system are available on the EVM, which gives developers the
basic resources needed for most general-purpose type.
The J721E EVM is comprised of:
• J721E System On Module (SOM) board
• Jacinto7 Common Processor Board (CPB)
• Quad-Port Ethernet board (QPENet)
J721E EVM sub system has been designed to enable customers to evaluate the Processor’s performance
with flexibility. To have flexibility while developing the system, different interface/expansion boards have been
designed. Some examples include:
• Infotainment Expansion Board
• Gateway/Ethernet Switch/Industrial (GESI) Expansion Board
• Fusion CSI2 Expansion Board(s)
1.1 Key Features
The J721E EVM is a high performance, standalone development platform that enables users to evaluate the
Texas Instrument’s Keystone III System-on-Chip (SoC).
Below are the EVM’s key features:
• Processor:
– J721E (DRA829/TDA4xM), 24 mm x 24 mm, 0.8 mm pitch, 827‐pin FCBGA
– Support for corresponding socket
• Power Supply:
– 12 V DC nominal input (6 V‐28 V input range)
– Optimized Power Management Solution for Processor
– Integrated Power Measurement
• Memory:
– DRAM, LPDDR4‐3733, 4GByte total memory, support inline ECC
– 2x Octal‐SPI NOR flash, 512 Mb memory (8 bit) + 512 Mb memory (4 bit)
– HyperFlash + HyerRAM, 512 Mb flash memory + 256 Mb RAM
– UFS Flash memory, 32GByte, 2Lane, Gear3
– eMMC Flash memory, 16 GB memory, v5.1 compliant
– MicroSD Card Cage, UHS‐I
– Inter-Integrated Circuit (I2C) EEPROM, 1 Mbit
• JTAG/Emulator:
– Integrated XDS110 Emulator support
– External emulator through 60pin MIPI Connector
– Trace Support through 60pin MIPI Connector
– Includes adapters for 14pin and 20pin CTI
Introduction www.ti.com
4 Jacinto7 J721E/DRA829/TDA4VM Evaluation Module (EVM) SPRUIS4D – MAY 2020 – REVISED MARCH 2022
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