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Texas Instruments AM64 Series User Manual
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Figure 3-1
1. JT
AG Interface
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System Description
SPRUIX0C – FEBRUARY 2021 – REVISED JUNE 2021
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AM64x/AM243x GP EVM User's Guide
23
Copyright © 2021 T
exas Instruments Incorporated
22
24
Table of Contents
Default Chapter
1
Table of Contents
1
1 Introduction
3
EVM Revisions and Assembly Variants
4
2 Important Usage Notes
4
Power-On Usage Note
4
Table 1-1. Am64X/Am243X GP EVM PCB Design Revisions, and Asssembly Variants
4
6 Revision History
5
Figure 3-1. Top View of the Am64X/Am243X GP EVM Board
5
Key Features
6
Figure 3-2. Bottom View of the Am64X/Am243X GP EVM Board
6
Functional Block Diagram
8
Diagram
8
Power-On/Off Procedures
9
Power-On Procedure
9
Power-Off Procedure
10
Peripheral and Major Component Description
11
Am64X/Am243X Clock
11
Clocking
11
Ethernet PHY Clock
11
Figure 3-4. Am64X/Am243X GP EVM Clock Tree
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Pcie Clock
11
Table 3-1. Source Clock Selection for the Clock Buffer
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Figure 3-5. Overall Reset Architecture of the Am64X/Am243X GP EVM
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Reset
12
Current Monitoring
13
Power
13
Power Input
13
Reverse Polarity Protection
13
Table 3-2. VMAIN LED
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Table 3-3. INA Devices I2C Slave Address
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Power Supply
14
Table 3-4. Power Test Points
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Figure 3-6. Power Good Leds
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Table 3-5. Power Leds
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Figure 3-7. Power on and off Sequencing
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Power Sequencing
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Am64X/Am243X Power
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Figure 3-8. Am64X/Am243X Core Supply and Array Core Supply Options
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Boot Modes
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Configuration
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Table 3-6. Soc Power Supply
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Figure 3-10. Am64X/Am243X GP EVP PCB, Boot Mode Selection Switches (SW2, SW3)
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Figure 3-9. Am64X/Am243X GP EVM Schematic Excerpt, Boot Mode Selection Switches (SW2, SW3)
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Table 3-7. BOOTMODE Bits
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Table 3-8. PLL Reference Clock Selection BOOTMODE[2:0]
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Table 3-9. Boot Device Selection BOOTMODE[6:3]
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Table 3-10. Primary Boot Media Configuration BOOTMODE[9:7]
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Table 3-11. Backup Boot Mode Selection BOOTMODE[12:10]
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Table 3-12. Backup Boot Media Configuration BOOTMODE[13]
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Jtag
22
Table 3-13. Selection of HSE Connector and JTAG TRACE Functionality
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Table 3-14. TI20 Pin Connector (J25) Pin-Out
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Figure 3-11. JTAG Interface
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Table 3-15. TI 60-Pin Connector (J33) Pin-Out
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Table 3-16. List of Signals Routed to Test Automation Header
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Test Automation
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Figure 3-12. Test Automation Header
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Table 3-17. Test Automation Header (J38) Pin-Out
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Figure 3-13. Am64X/Am243Xuart Interfaces
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UART Interfaces
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DDR4 Interface
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Figure 3-14. Am64X/Am243X DDR4 Interface
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Memory Interfaces
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Figure 3-15. Micro SD Interface
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MMC Interfaces
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Figure 3-16. Emmc Interface
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OSPI Interface
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Board ID EEPROM Interface
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Figure 3-17. Am64X/Am243X OSPI Interface
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SPI EEPROM Interface
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Table 3-18. Board ID Memory Header Information
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Ethernet Interface
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Figure 3-18. Ethernet Interface - CPSW Domain
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Figure 3-19. Ethernet Interface - ICSSG Domain
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DP83867 PHY Default Configuration
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DP83869 PHY Default Configuration
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Table 3-19. Default Strap Setting of CPSW Ethernet PHY
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Table 3-20. Default Strap Setting of ICSSG Ethernet Phys
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Figure 3-20. Am64X/Am243Xethernet Interfaces - CPSW Ethernet Strap Settings
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Figure 3-21. Am64X/Am243X Ethernet Interfaces - ICSSG1 Ethernet Strap Settings
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Figure 3-22. Am64X/Am243X Ethernet Interfaces - ICSSG2 Ethernet Strap Settings
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Ethernet LED
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Figure 3-23. Am64X/Am243X GP EVM Ethernet Interface LED
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Display Interface
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Table 3-21. Display Connector (J36) Pin-Out
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Figure 3-24. Am64X/Am243X USB 2.0 Host Interface
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Pcie Interface
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USB 2.0 Interface
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Figure 3-25. Am64X/Am243X Pcie Interface
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Table 3-22. Pcie Jumper Options to Enable Root Complex and Endpoint Mode
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Table 3-23. Pcie Connector (J27) Pin-Out
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High Speed Expansion Interface
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Table 3-24. Selection of PRG0 Signals on Application Connector
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Figure 3-26. Am64X/Am243X High Speed Expansion Connector
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Figure 3-27. Am64X/Am243X High Speed Expansion Connector - Part 1
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CAN Interface
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Figure 3-28. Am64X/Am243X High Speed Expansion Connector - Part 2
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Table 3-25. CAN (J31 and J32) Pin-Out
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ADC Interface
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Figure 3-29. Am64X/Am243X CAN Interfaces
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Interrupt
55
Table 3-26. ADC Connector (J3) Pin-Out
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I2C Interfaces
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Safety Connector
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SPI Interfaces
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Table 3-27. Safety Connector Pinouts
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Table 3-28. I2C Test Header (J5) Pin-Out
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Figure 3-30. Am64X/Am243X I2C Interfaces and Address Assignment of Peripherals
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Table 3-29. I2C Test Header (J4) Pin-Out
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Figure 3-31. Am64X/Am243X FSI Interface
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FSI Interface
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Table 3-30. FSI (J5) Connector Pin-Out
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4 Known Issues and Modifications
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Issue 1 - Embedded XDS110 Connection to Am64X Target in CCS
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Figure 4-1. Am64X/Am243X GP EVM Modification Label Location
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Table 4-1. Am64X/Am243X GP EVM Known Issues and Modifications
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Figure 4-2. XDS110 CCS Connection Error Dialog
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Figure 4-3. XDS110 Debug Reset Utility Command-Line Function
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4
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Texas Instruments AM64 Series Specifications
General
Brand
Texas Instruments
Model
AM64 Series
Category
Computer Hardware
Language
English
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