SPRUJ68
January 2023
AM68
Abstract
Trademarks
1
Introduction
1.1
Inside the Box
1.2
Key Features and Interfaces
1.3
Thermal Compliance
1.4
EMC, DMI, and ESD Compliance
2
User Interfaces
2.1
Power Input
2.1.1
Power Input [J22] With LED for Status [LD2]
2.1.2
Power Budget Considerations
2.2
User Inputs
2.2.1
Board Configuration Settings [SW1]
2.2.2
Reset Power Down Pushbutton [SW2]
2.2.3
User Pushbutton [SW3] With User LED Indication [LD3]
2.3
Standard Interfaces
2.3.1
Uart-Over-USB [J4 With LED for Status [LD1]
2.3.2
Gigabit Ethernet [J8] With Integrated LEDs for Status
2.3.3
JTAG Emulation Interface [J13]
2.3.4
USB3 1 Gen1 Interfaces [J9] [J11]
2.3.5
Stacked DisplayPort and HDMI Type A [J12]
2.3.6
M 2 Key M Connector [J21] for SSD Modules
2.3.7
MicroSD Card Cage [J19]
2.4
Expansion Interfaces
2.4.1
Heatsink [ACC1] With [J15] Fan Header
2.4.2
CAN-FD Connector(s) [J1] [J2] [J5] [J6]
2.4.3
Expansion Header [J3]
2.4.4
Camera Interface 22-Pin Flex Connectors [J16][J17]
2.4.5
Camera Interface 40-Pin High Speed [J20]
2.4.6
Automation and Control Connector [J24]
3
Circuit Details
3.1
Top Level Diagram
3.2
AM68 SK EVM Interface Mapping
3.3
I2C Address Mapping
3.4
GPIO Mapping
3.5
I2C GPIO Expander Table
3.6
Identification EEPROM
4
Revision History
1.2
Key Features and Interfaces
Processor
Texas Instruments Jacinto AM68 Super-Set device
Optimized Power Management Solution
Dynamic Voltage Scaling
Multiple Clock and Power Domains
Memory
16GByte LPDDR4 DRAM (2133 MHz)
512 Mb Non-Volatile Flash, Octal‐SPI NOR
Multimedia Card (MMC)/Secure Digital Card (Micro SD) Cage, UHS‐I
USB
USB3.1 (Gen1) Hub to 3x Type A (Host)
USB3.1 (Gen1) Type C (DFP mode)
USB2.0 Micro B (for Quad UART-over-USB Transceiver)
Display
VESA Display Port (v1.4), supports 2K HD
DVI (v1.0) via HDMI Type A, supports 1080p
Wired Network
Gigabit Ethernet (RJ45 Connector)
4x CAN-FD Headers (1x3)
Camera Interfaces
2x 22-Pin Flex Cable Interface (CSI-4L)
40-pin High Speed Connector (dual CSI-4L, I2C, GPIO, and so forth )
Expansion/Add-on
M.2 Key M Interface (PCIe/Gen3 x 2 Lane)
40-pin Header (2x20) (I2C, SPI, UART, I2S, GPIO, PWM, and so forth)
Fan Header (5 V)
User Control/Indication
Pushbuttons (Reset, Power/User Defined)
LEDs (Power, User Defined, Serial Port)
User Configuration (Boot Mode)
External JTAG/Emulator Support (20-pin Header)
REACH and RoHS Compliant
EMI/EMC Radiation Compliant