Page 4
cExpress-HL
Table of Contents
Revision History ............................................................................................................ 2
Preface............................................................................................................................ 3
1
Introduction ............................................................................................................ 6
2
Specifications.......................................................................................................... 7
2.1
Core System ..................................................................................................................................7
2.2
Expansion Busses ..........................................................................................................................7
2.3
Video .............................................................................................................................................7
2.4
Audio.............................................................................................................................................8
2.5
LAN................................................................................................................................................8
2.6
Multi I/O and Storage ...................................................................................................................8
2.7
Serial I/O on Module.....................................................................................................................8
2.8
TPM (Trusted Platform Module)...................................................................................................8
2.9
SEMA Board Controller .................................................................................................................8
2.10
Debug ........................................................................................................................................8
2.11
Power Specifications .................................................................................................................9
2.12
Operating Temperatures...........................................................................................................9
2.13
Environmental ...........................................................................................................................9
2.14
Specification Compliance ..........................................................................................................9
2.15
Operating Systems ....................................................................................................................9
2.16
Functional Diagram ................................................................................................................ 10
2.17
Mechanical Drawing............................................................................................................... 11
3
Pinouts and Signal Descriptions......................................................................... 12
3.1
AB / CD Pin Definitions............................................................................................................... 12
3.2
Signal Description Terminology ................................................................................................. 15
3.3
AB Signal Descriptions ............................................................................................................... 16
3.4
CD Signal Descriptions ............................................................................................................... 24
4
Connector Pinouts on Module............................................................................ 30
4.1
40-pin Debug Connector............................................................................................................ 31
4.2
Status LEDs................................................................................................................................. 33
4.3
XDP Debug header ..................................................................................................................... 34
4.4
Fan Connector............................................................................................................................ 35
4.5
BIOS Setup Defaults Reset Button ............................................................................................. 35
5
Smart Embedded Management Agent (SEMA) ................................................ 36
