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User's Guide
AM64x/AM243x GP EVM User's Guide
1
Introduction.............................................................................................................................................................................3
Notes...........................................................................................................................................................4
2.1 Power-On Usage Note.......................................................................................................................................................
3 System Description................................................................................................................................................................
Features......................................................................................................................................................................6
3.2 Functional Block Diagram..................................................................................................................................................
3.3 Power-On/Off Procedures..................................................................................................................................................
Procedure...................................................................................................................................................9
3.3.2 Power-Off Procedure.................................................................................................................................................
3.4.1 Clocking.....................................................................................................................................................................
3.4.1.1 Ethernet PHY Clock............................................................................................................................................
3.4.1.2 AM64x/AM243x Clock.........................................................................................................................................
3.4.1.3 PCIe Clock..........................................................................................................................................................
3.4.2 Reset.........................................................................................................................................................................
3.4.3 Power........................................................................................................................................................................
Input.........................................................................................................................................................13
3.4.3.3 Current Monitoring..............................................................................................................................................
Supply......................................................................................................................................................14
Sequencing..............................................................................................................................................16
3.4.3.6 AM64x/AM243x Power.......................................................................................................................................
3.4.4 Configuration.............................................................................................................................................................
Modes.........................................................................................................................................................18
3.4.5
JTAG..........................................................................................................................................................................22
Automation.........................................................................................................................................................25
3.4.7 UART Interfaces........................................................................................................................................................
Interfaces.....................................................................................................................................................29
3.4.8.1 DDR4 Interface...................................................................................................................................................
Interfaces...................................................................................................................................................30
3.4.8.3 OSPI Interface....................................................................................................................................................
3.4.9 Ethernet Interface......................................................................................................................................................
3.4.9.3 Ethernet LED......................................................................................................................................................
Interface......................................................................................................................................................43
Interface.....................................................................................................................................................44
Interface..........................................................................................................................................................44
3.4.14 CAN Interface..........................................................................................................................................................
3.4.15 Interrupt...................................................................................................................................................................
3.4.16 ADC Interface..........................................................................................................................................................
Connector.....................................................................................................................................................56
3.4.18 SPI Interfaces..........................................................................................................................................................
3.4.19 I2C Interfaces..........................................................................................................................................................
3.4.20 FSI Interface............................................................................................................................................................
4 Known Issues and Modifications........................................................................................................................................
SPRUIX0C - FEBRUARY 2021 - REVISED JUNE 2021
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Table of Contents
Description..................................................................................................................11
Interface.......................................................................................................................................32
Configuration..................................................................................................................35
Configuration..................................................................................................................35
Copyright © 2021 Texas Instruments Incorporated
Table of Contents
AM64x/AM243x GP EVM User's Guide
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