Texas Instruments AM243x, Руководство пользователя, Страница: 2 / 61

4 Known Issues and Modifications ........................................................................................................................................ 58
4.1 Issue 1 - Embedded XDS110 Connection to AM64x Target in CCS................................................................................ 58
4.2 Issue 2 - DC Barrel Jack Warning when Hot-Plugging..................................................................................................... 60
5 References ............................................................................................................................................................................ 60
6 Revision History ................................................................................................................................................................... 60
List of Figures
Figure 3-1. Top View of the AM64x/AM243x EVM Board............................................................................................................ 5
Figure 3-2. Bottom View of the AM64x/AM243x EVM Board....................................................................................................... 6
Figure 3-3. General Processor Board Functional Block Diagram................................................................................................ 8
Figure 3-4. AM64x/AM243x EVM Clock Tree............................................................................................................................ 11
Figure 3-5. Overall Reset Architecture of the AM64x/AM243x EVM......................................................................................... 12
Figure 3-6. Power Good LEDs................................................................................................................................................... 15
Figure 3-7. Power ON and OFF Sequencing............................................................................................................................. 16
Figure 3-8. AM64x/AM243x Core Supply and Array Core Supply Options............................................................................... 17
Figure 3-9. AM64x/AM243x EVM Schematic Excerpt, Boot Mode Selection Switches (SW2, SW3)........................................ 19
Figure 3-10. AM64x/AM243xEVM PCB, Boot Mode Selection Switches (SW2, SW3)............................................................. 19
Figure 3-11. JTAG Interface....................................................................................................................................................... 23
Figure 3-12. Test Automation Header........................................................................................................................................ 26
Figure 3-13. AM64x/AM243xUART Interfaces........................................................................................................................... 28
Figure 3-14. AM64x/AM243x DDR4 Interface........................................................................................................................... 29
Figure 3-15. Micro SD Interface................................................................................................................................................. 30
Figure 3-16. eMMC Interface..................................................................................................................................................... 31
Figure 3-17. AM64x/AM243x OSPI Interface............................................................................................................................ 32
Figure 3-18. Ethernet Interface - CPSW Domain...................................................................................................................... 33
Figure 3-19. Ethernet Interface - ICSSG Domain...................................................................................................................... 34
Figure 3-20. AM64x/AM243xEthernet Interfaces - CPSW Ethernet Strap Settings.................................................................. 38
Figure 3-21. AM64x/AM243x Ethernet Interfaces - ICSSG1 Ethernet Strap Settings............................................................... 39
Figure 3-22. AM64x/AM243x Ethernet Interfaces - ICSSG2 Ethernet Strap Settings............................................................... 40
Figure 3-23. AM64x/AM243x EVM Ethernet Interface LED....................................................................................................... 41
Figure 3-24. AM64x/AM243x USB 2.0 Host Interface............................................................................................................... 43
Figure 3-25. AM64x/AM243x PCIe Interface............................................................................................................................. 44
Figure 3-26. AM64x/AM243x High Speed Expansion Connector.............................................................................................. 51
Figure 3-27. AM64x/AM243x High Speed Expansion Connector - Part 1................................................................................. 52
Figure 3-28. AM64x/AM243x High Speed Expansion Connector - Part 2................................................................................. 53
Figure 3-29. AM64x/AM243x CAN Interfaces............................................................................................................................ 54
Figure 3-30. AM64x/AM243x I2C Interfaces and Address Assignment of Peripherals............................................................. 56
Figure 3-31. AM64x/AM243x FSI Interface............................................................................................................................... 57
Figure 4-1. AM64x/AM243x EVM Modification Label Location.................................................................................................. 58
Figure 4-2. XDS110 CCS Connection Error Dialog................................................................................................................... 59
Figure 4-3. XDS110 debug reset utility command-line function................................................................................................. 59
List of Tables
Table 1-1. AM64x/AM243x EVM PCB design revisions, and asssembly variants....................................................................... 4
Table 3-1. Source Clock Selection for the Clock Buffer............................................................................................................. 11
Table 3-2. VMAIN LED............................................................................................................................................................... 13
Table 3-3. INA Devices I2C Slave Address............................................................................................................................... 13
Table 3-4. Power Test Points..................................................................................................................................................... 14
Table 3-5. Power LEDs.............................................................................................................................................................. 15
Table 3-6. SoC Power Supply.................................................................................................................................................... 18
Table 3-7. BOOTMODE Bits...................................................................................................................................................... 20
Table 3-8. PLL Reference Clock Selection BOOTMODE[2:0]................................................................................................... 20
Table 3-9. Boot Device Selection BOOTMODE[6:3].................................................................................................................. 20
Table 3-10. Primary Boot Media Configuration BOOTMODE[9:7]............................................................................................. 21
Table 3-11. Backup Boot Mode Selection BOOTMODE[12:10]................................................................................................. 21
Table 3-12. Backup Boot Media Configuration BOOTMODE[13].............................................................................................. 21
Table 3-13. Selection of HSE Connector and JTAG TRACE Functionality................................................................................ 22
Table 3-14. TI20 Pin Connector (J25) Pin-Out........................................................................................................................... 22
Table 3-15. TI 60-Pin Connector (J33) Pin-Out......................................................................................................................... 24
Table 3-16. List of Signals Routed to Test Automation Header................................................................................................. 25
Table 3-17. Test Automation Header (J38) Pin-out.................................................................................................................... 27
Table 3-18. Board ID Memory Header Information.................................................................................................................... 32
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2 AM64x/AM243x EVM User's Guide SPRUJ63 – SEPTEMBER 2022
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