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2.3.2 Power Budget Considerations
The exact power required for the EVM is largely dependent on the application, usage of the on-board
peripherals, and power needs of add-on devices. The table below shows the power estimates the EVM can
support. Again, the input supply must be capable of supplying the power needs for your application and your
connected peripherals.
Function
Processor core
On-board peripherals
USB ports
PCIe port
Camera ports
Displays
Expansion interfaces
2.4 User Inputs and Settings
The EVM supports several mechanisms for the user to configure, control, and provide input to the system.
2.4.1 Boot Configuration Settings
The boot mode for the EVM is defined by two banks of dip switches [SW3, SW4]. These switch settings are
mapped directly to the BOOTMODE pins of the processor. See the technical reference manual (TRM) of the
processor for a complete definition of all supported boot modes.
An OFF setting provides a logic low level ('0') and an ON setting provides a logic high level ('1'). The
Test Automation Interfaces provides capability to over-ride these switch settings, but that advanced
feature not discussed in this manual.
As shown in the diagram, the BOOTMODE order is reversed from the Dip Switch assignment. For example,
BOOTMODE [2:0] selects the PLL configuration. The EVM uses a 25Mhz clock source, thus BOOTMODE [2:0]
must be set to '011'. Dip switch SW3[1:3] must be set to ON-ON-OFF or '110' (order reversed).
SPRUJB5 – FEBRUARY 2024
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Table 2-2. Power Supply Allocation
Power
Up to 15W
Processor, Memory
Up to 3W
SD card, Ethernet, Logic
Up to 22W
USB Hub
Type A Ports (2.8A at 5V)
Type C Port (1.5A at 5V)
Up to 25W
PCIe Card Slot (2A at 12V, 3A at 3.3V)
Up to 3W
Cam Ports (1A at 3.3V)
Up to 3W
DP, HDMI Transceivers
HDMI Panel (55mA at 5V)
DP Panel (0.5A at 3.3V)
Up to 15W
40p Expansion (2A at 3.3V, 1.5A at 5V)
Note
Copyright © 2024 Texas Instruments Incorporated
Description
J722SXH01 Evaluation Module
Hardware
7
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