Texas Instruments AM64 SK EVM Series Manuals

Manuals and User Guides for Texas Instruments AM64 SK EVM Series. We have 1 Texas Instruments AM64 SK EVM Series manual available for free PDF download: User Manual

Texas Instruments AM64 SK EVM Series User Manual (54 pages)

Brand: Texas Instruments | Category: Motherboard | Size: 3 MB

Table of Contents
2
Key Features
4
EVM Revisions and Assembly Variants
4
Table 2-1. AM64 SK EVM PCB Design Revisions, and Assembly Variants
4
Table 2-2. Summary of Known Issues
4
Important Usage Notes
5
System Description
6
Figure 4-1. Top View of Starter Kit Processor Board
6
Key Features
7
Figure 4-2. Bottom View of Starter Kit Processor Board
7
Functional Block Diagram
9
Figure 4-3. Starter Kit Processor Board Functional Block
9
Power-On/Off Procedures
10
Power-On Procedure
10
Figure 4-4. Common Bootmode Switch Positions
10
Power-Off Procedure
11
Peripheral and Major Component Description
11
Figure 4-5. Top LED
11
Clocking
12
Ethernet PHY Clock
12
Am64X Soc Clock
12
Reset
12
Figure 4-6. Am64X SK EVM Clock Tree
12
Table 4-1. Soc Clock Source
12
Power
13
Power Input
13
Figure 4-7. Overall Reset Architecture of the Am64X SK Event
13
USB Type-C Interface for Power Input
14
Figure 4-8. USB Type-C Interface for Power Input
14
Table 4-2. Current Sourcing Capability and State of USB Type C Cable
14
Power Fault Indication
15
Power Supply
15
Table 4-3. Power Fault Indication LED
15
Table 4-4. Power Test Points
15
Power Sequencing
16
Figure 4-9. Power-Up and Power-Down Sequencing
16
Table 4-5. Power Leds
16
Power Supply
17
Table 4-6. Soc Power Supply
17
Configuration
18
Boot Modes
18
Figure 4-10. Bootmode Switch Positions Example
18
Table 4-7. BOOT-MODE Pin Mapping
19
Table 4-8. PLL Reference Clock Selection BOOTMODE [2:0]
19
Table 4-9. Boot Device Selection BOOT-MODE [6:3]
19
Table 4-10. Backup Boot Mode Selection BOOT-MODE [12:10]
20
Table 4-11. Primary Boot Media Configuration BOOT-MODE [9:7]
20
Table 4-12. Backup Boot Media Configuration BOOT-MODE
20
Jtag
21
Figure 4-11. JTAG Interface
21
Table 4-13. Cti 20 Pin Connector (J14)
21
Test Automation
22
Table 4-14. List of Signals Routed to Test Automation Header J16
22
Figure 4-12. Test Automation Header
23
Table 4-15. Automation Header Signals Connected to XDS110
23
Table 4-16. Test Automation Header (J16) Pin-Outs
24
UART Interface
25
Figure 4-13. UART Interface
25
Memory Interfaces
26
LPDDR4 Interface
26
MMC Interface
26
Figure 4-14. LPDDR4 Interface
26
Figure 4-15. Micro SD Interface
27
Figure 4-16. Wilink Module Interface
28
Figure 4-17. OSPI Interface
29
Figure 4-18. Board ID EEPROM
29
Ethernet Interface
30
DP83867 PHY Default Configuration
30
Table 4-17. Strap Value Configuration
30
Figure 4-19. CPSW Ethernet PHY-1 Strap Settings
31
Figure 4-20. CPSW Ethernet PHY-2 Strap Settings
32
Table 4-18. Default Strap Setting of CPSW RGMII-1 Ethernet PHY
32
Table 4-19. Default Strap Setting of CPSW RGMII-2 Ethernet PHY
33
DP83867 - Power, Clock, Reset, Interrupt and Leds
34
Figure 4-21. Ethernet Interface
35
Industrial Application Leds
36
USB 3.0 Interface
36
Figure 4-22. Ethernet Interface - Leds
36
Figure 4-23. USB 3.0 Host Interface
36
PRU Connector
37
Table 4-20. Selection of PRG0 Signals on PRU Connector
37
User Expansion Connector
38
Figure 4-24. 54-Pin PRU Connector
38
Table 4-21. 40 Pin User Expansion Connector
38
Figure 4-25. 40-Pin User Expansion Connector
39
MCU Connector
40
Figure 4-26. 28-Pin MCU Connector
40
Table 4-22. 28 Pin MCU Connector
40
Interrupt
41
I2C Interface
41
Figure 4-27. I2C Interface
41
IO Expander (Gpios)
42
Table 4-23. IO Expander Pin Details
42
Known Issues
43
Issue 1: Lp8733X Max Output Capacitance Spec Exceeded on LDO0 and LDO1
43
Issue 2: Lp8733X Output Voltage of 0.9V Exceeds Am64X VDDR_CORE Max Voltage Spec of 0.895 V
43
Issue 3 - SDIO Devices on MMC0 Require Careful Trace Lengths to Meet Interface Timing Requirements
43
Table 5-1. AM64 SK EVM Known Issues
43
Issue 4 - LPDDR4 Data Rate Limitation in Stressful Conditions
44
Issue 5 - Junk Character
44
Issue 6 - Test Power down Signal Floating
44
Issue 7 - Usd Boot Not Working
44
Figure 5-1. MMC1 Schematics
45
Figure 5-2. MMC1 Layout
46
Regulatory Compliance
47
Revision History
48

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Texas Instruments AM64 SK EVM Series User Manual (54 pages)

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