Texas Instruments LaunchPad AM243x User Manual

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User's Guide
AM243x LaunchPad™ Development Kit User's Guide
The AM243x LaunchPad
the Texas Intruments Sitara
start developing on the AM243x MCUs with on-board emulation for programming and debugging as well as
buttons and LEDs for a simple user interface. The LaunchPad also features two independent BoosterPack XL
expansion connectors, on-board Controller Area Network (CAN) transciever, two RJ45 Ethernet ports, and an
on-board XDS110 debug probe.
1 Preface: Read This First.........................................................................................................................................................3
1.1 If You Need Assistance......................................................................................................................................................
1.2 Important Usage Notes......................................................................................................................................................
2 Kit Overview............................................................................................................................................................................
2.1 Kit Contents........................................................................................................................................................................5
2.2 Key Features......................................................................................................................................................................5
2.3 Component Identification...................................................................................................................................................
2.4 BoosterPacks.....................................................................................................................................................................
2.5 Compliance........................................................................................................................................................................
2.6 Security..............................................................................................................................................................................
3 Board Setup.............................................................................................................................................................................8
3.1 Power Requirements..........................................................................................................................................................8
3.1.1 Power Input Using USB Type-C
3.1.2 Power Status LED's
3.1.3 Power Tree................................................................................................................................................................
3.1.4 Power Sequence.......................................................................................................................................................
3.2 Push Buttons....................................................................................................................................................................13
3.3 Boot Mode Selection........................................................................................................................................................
4 Hardware Description...........................................................................................................................................................15
4.1 Functional Block Diagram................................................................................................................................................
4.2 BoosterPack Headers......................................................................................................................................................
4.2.1 Pinmux for BoosterPack............................................................................................................................................
4.3 GPIO Mapping.................................................................................................................................................................
4.4 Reset................................................................................................................................................................................29
4.5 Clock................................................................................................................................................................................
4.6 Memory Interface.............................................................................................................................................................
4.6.1 QSPI Interface...........................................................................................................................................................
4.6.2 Board ID EEPROM....................................................................................................................................................32
4.7 Ethernet Interface.............................................................................................................................................................33
4.7.1 Ethernet PHY Strapping............................................................................................................................................
4.7.2 Ethernet PHY - Power, Clock, Reset,
4.7.3 LED indication in Ethernet RJ45 Connector..............................................................................................................
4.8 USB 2.0 Interface.............................................................................................................................................................37
4.9 I2C Interface.....................................................................................................................................................................37
4.10 Industrial Application LEDs............................................................................................................................................
4.11 UART Interface...............................................................................................................................................................39
4.12 eQEP Interface...............................................................................................................................................................40
4.13 CAN Interface.................................................................................................................................................................42
4.14 FSI Interface...................................................................................................................................................................43
4.15 JTAG Emulation.............................................................................................................................................................
4.16 Test Automation Interface..............................................................................................................................................
SPRUJ12D - AUGUST 2021 - REVISED APRIL 2023
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™ development kit is a simple and inexpensive hardware evaluation module (EVM) for
™
AM243x series of microcontrollers (MCUs). This EVM provides an easy way to

Table of Contents

Connector.................................................................................................................9
..................................................................................................................................................10
Interrupt..........................................................................................................36
Copyright © 2023 Texas Instruments Incorporated
ABSTRACT
AM243x LaunchPad™ Development Kit User's Guide
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