
COMe-cWL6 – User Guide Rev. 1.4
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1.3.
COM Express® Documentation
The COM Express® specification defines the COM Express® module form factor, pinout and signals. The COM Express
document is available at the PICMG® website.
1.4.
COM Express® Functionality
All Kontron COM Express® basic and compact modules contain two 220-pin connector. Each connector has two rows
called Row A & B on primary connector and Row C & D on secondary connector. COM Express® Computer-On-
Modules feature the following maximum amount of interfaces according to the PICMG module pinout type:
Table 1: IOs of Type 6 and COMe-cWL6
Feature
Type 6 Pinout
COMe-cWL6 Pinout
HD Audio
1x
1x
Gb Ethernet
1x
1x
Serial ATA
4x
2x
PCI Express x 1
8x
5x PCIe 3.0 (On request: 6x without Ethernet, up to 8x
without Ethernet
&
SATA)
PCI Express x16 (PEG)
1x
4x PCIe 3.0 on PEG Lanes #0-3
USB
4x USB 3.0 (incl. USB
2.0) + 4x USB 2.0
4x USB 3.1 Gen 2 (Incl. USB 2.0) + 4x USB 2.0
Corresponding USB ports are configured to USB 3.1
Gen1 by default as support depends on appropriate
carrier board design
VGA
1x
1x (optional)
LVDS
Dual Channel
Dual Channel LVDS with option to overlay with
embedded Display port (eDP)
DP++
(eDP/DP/HDMI/DVI/VGA)
3x
2x
LPC
1x
1x
External SMB
1x
1x
External I2C
1x
1x
GPIO
8x
8x
SDIO shared w/GPIO
1x optional
1x optional
UART (2-wire COM)
2x
2x
FAN PWM out
1x
1x