AM2434...ALV datasheet(256/280 Pages) TI

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9 Applications, Implementation, and Layout

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

9.1 Device Connection and Layout Fundamentals

9.1.1 Power Supply

9.1.1.1 Power Supply Designs

The LP8733xx Power Management IC (PMIC) is recommended for an integrated AM243x power design. This

cost and space optimized silicon powers the latest Sitara devices and their principal peripherals. For the full

application note and related operational details, refer to Using LP8733xx and TPS65218xx PMICs to Power

AM64x and AM243x Sitara Processors.

Note

AM243x supports discrete power supply topologies and customized power designs to meet various

system requirements.

9.1.1.2 Power Distribution Network Implementation Guidance

The Sitara Processor Power Distribution Networks: Implementation and Analysis provides guidance for

successful implementation of the power distribution network. This includes PCB stackup guidance as well as

guidance for optimizing the selection and placement of the decoupling capacitors. TI only supports designs that

follow the board design guidelines contained in the application report.

9.1.2 External Oscillator

For more information about External Oscillators, see the Clock Specifications section.

9.1.3 JTAG and EMU

Texas Instruments supports a variety of eXtended Development System (XDS) JTAG controllers with various

debug capabilities beyond only JTAG support. A summary of this information is available in the XDS Target

Connection Guide.

For recommendations on JTAG, EMU, and TRACE routing, see the Emulation and Trace Headers Technical

Reference Manual

9.1.4 Unused Pins

For more information about Unused Pins, see the Pin Connectivity Requirements section.

AM2434, AM2432, AM2431

SPRSP65D – APRIL 2021 – REVISED AUGUST 2022

www.ti.com

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