SPRUJ64
September 2022
Abstract
Trademarks
1
Key Features
2
AM64x SKEVM Overview
2.1
Board Version Identification
3
Functional Block Diagram
4
System Description
4.1
Clocking
4.1.1
Ethernet PHY Clock
4.1.2
AM64x SoC Clock
4.2
Reset
4.3
Power Requirements
4.3.1
Power Input
4.3.2
USB Type-C Interface for Power Input
4.3.3
Power Fault Indication
4.3.4
Power Supply
4.3.5
Power Sequencing
4.3.6
SOC Power
4.4
Configuration
4.4.1
Boot Modes
4.5
JTAG
4.6
Test Automation
4.7
UART Interface
4.8
Memory Interfaces
4.8.1
LPDDR4 Interface
4.8.2
MMC Interface
4.8.2.1
Micro SD Interface
4.8.2.2
WiLink Interface
4.8.2.3
OSPI Interface
4.8.2.4
Board ID EEPROM Interface
4.9
Ethernet Interface
4.9.1
DP83867 PHY Default Configuration
4.9.2
DP83867 – Power, Clock, Reset, Interrupt, and LEDs
4.9.3
Industrial Application LEDs for Indication
4.10
USB 3.0 Interface
4.11
PRU Connector
4.12
User Expansion Connector
4.13
MCU Connector
4.14
Interrupt
4.15
I2C Interface
4.16
IO Expander (GPIOs)
5
Known Issues and Modifications
5.1
Issue 1 - Silkscreen Missprint on Initial Board Batch
6
Revision History
4.1
Clocking