ADLINK Technology cExpress-EL, User Manual

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cExpress-EL User’s Guide PICMG COM.0 R3.0
Page 5 Copyright © 2021 ADLINK Technology, Inc.
Table of Contents
Preface .................................................................................................................................................................................................................................................................................................................................. 1
List of Figures..................................................................................................................................................................................................................................................................................................................... 7
1. Introduction ................................................................................................................................................................................................................................................................................................................. 8
2. Specifications............................................................................................................................................................................................................................................................................................................... 9
2.1 Core System..................................................................................................................................................................................................................................................................................................................................... 9
2.2 Video ................................................................................................................................................................................................................................................................................................................................................10
2.2.1 Display Interface Support .............................................................................................................................................................................................................................................................................................11
2.3 Audio ................................................................................................................................................................................................................................................................................................................................................11
2.4 Expansion Busses .........................................................................................................................................................................................................................................................................................................................12
2.5 Ethernet ...........................................................................................................................................................................................................................................................................................................................................12
2.6 Multi I/O and Storage ................................................................................................................................................................................................................................................................................................................12
2.7 Trusted Platform Module (TPM).............................................................................................................................................................................................................................................................................................14
2.8 SEMA Board controller...............................................................................................................................................................................................................................................................................................................14
2.9 Debug...............................................................................................................................................................................................................................................................................................................................................14
2.10 Power................................................................................................................................................................................................................................................................................................................................................14
2.11 Mechanical and Environmental...............................................................................................................................................................................................................................................................................................15
3. Block Diagram...........................................................................................................................................................................................................................................................................................................16
4. Pinout and Signal Descriptions ..........................................................................................................................................................................................................................................................................17
4.1 Pin Summary..................................................................................................................................................................................................................................................................................................................................17
4.2 Signal Terminology Descriptions ...........................................................................................................................................................................................................................................................................................22
4.3 AB Connector Signal Descriptions.........................................................................................................................................................................................................................................................................................23
4.3.1 Audio....................................................................................................................................................................................................................................................................................................................................23
4.3.2 Analog VGA........................................................................................................................................................................................................................................................................................................................24
4.3.3 LVDS or eDP.......................................................................................................................................................................................................................................................................................................................25
4.3.4 Gigabit Ethernet ...............................................................................................................................................................................................................................................................................................................28
4.3.5 SATA .....................................................................................................................................................................................................................................................................................................................................29
4.3.6 PCIe.......................................................................................................................................................................................................................................................................................................................................30
4.3.7 LPC Bus................................................................................................................................................................................................................................................................................................................................32
4.3.8 USB........................................................................................................................................................................................................................................................................................................................................33
4.3.9 SPI Bus (BIOS only)..........................................................................................................................................................................................................................................................................................................34