Table of Contents
1General Notes..............................................4
1.1 Warranty........................................................4
1.2 Links..............................................................4
1.3 Liability..........................................................4
1.4 Offer to Provide Source Code of Certain
Software........................................................5
1.5 Symbols, Conventions and Abbreviations.....6
Symbols ........................................................6
Conventions ..................................................6
2Introduction .................................................7
2.1 Safety and Handling Precautions..................7
2.2 Short Description...........................................8
2.3 Shipping List..................................................8
2.4 Feature Changelist for HW Revisions ...........8
Revision 1 .....................................................8
Revision 2 .....................................................8
2.5 Functional Coverage.....................................9
3Quick Start Guide......................................10
3.1 Prerequisites ...............................................10
Minimum Requirements ..............................10
Recommended Items..................................10
3.2 Board Preparation and Power-Up ...............11
3.3 Operation ....................................................12
U-Boot Startup.............................................12
Linux............................................................13
4System Description...................................14
4.1 Block Diagram.............................................14
4.2 Feature Overview........................................14
4.3 Mechanical Dimensions ..............................16
MPX-LS1028A.............................................16
SBC-LS1028A.............................................17
4.4 Connector Layout –Top..............................18
4.5 Connector Layout –Bottom.........................19
4.6 Power Supply..............................................20
Input Supply Rating.....................................20
Input Protection...........................................20
Input Power Connector 1 (Pressure
Clamp).........................................................21
Input Power Connector 2 (Power-Jack).......21
Power Supply Structure...............................22
RTC Backup Battery....................................22
Current Measurement .................................23
Voltage Monitoring ......................................23
Fuses ..........................................................23
5System Core, Boot Configuration and
On-Board Memory .....................................24
5.1 Processor NXP LS1028A ............................24
5.2 JTAG Chain.................................................24
Carrier..........................................................24
CPU Module................................................24
5.3 Reset Structure............................................25
RSTIN# / HRST#.........................................26
Watchdog ....................................................26
JTAG / Boundary Scan................................26
PCI-Express Reset......................................26
5.4 Clock Distribution.........................................27
5.5 Boot Options................................................28
5.6 QSPI Flash..................................................29
QSPI NAND Flash.......................................29
QSPI NOR Flash.........................................30
5.7 I²C Bus.........................................................31
6Peripherals.................................................32
6.1 Connector References.................................32
6.2 Module Connector.......................................33
6.3 LAN Connections.........................................33
SGMII ..........................................................34
RGMII..........................................................35
QSGMII........................................................36
6.4 PCIe Connections........................................37
Mini-PCIe Slot..............................................37
Mini-PCIe Slot / mSATA Slot.......................39
PCIe Root Complex / Endpoint....................41
6.5 MicroSD Card Slot.......................................42
6.6 USB.............................................................43
USB1...........................................................43
USB2...........................................................45
USB3...........................................................46
6.7 DisplayPort..................................................47
6.8 CAN.............................................................48
6.9 mikroBus™-Interface...................................49
6.10 JTAG Connector..........................................51
JTAG for module .........................................51
JTAG on carrier ...........................................52
6.11 Fan Connector.............................................53
6.12 Test Connector............................................53
7Switches, Buttons and Jumpers ..............54
7.1 Boot Device Switch......................................54
7.2 Board Configuration Switch.........................55
