CCOMe-C30
CCOMe-C30 - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by F.B. Copyright © 2019 SECO S.p.A.
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DDI/DDIx_PAIR3-: DDI Interface #x Differential Pair #3. Can be used as Display Port
differential pair #3 or TMDS (HDMI) Clock differential pair.
DDIx_CTRL/DDIx_CTRLDATA_AUX-: DDI Interface #x, Auxiliary channel for Display
Port (differential pair) or DDC Clock and Data Line for TMDS.
DDIx_HPD: DDI Interface #x Hot Plug Detect
DDIx_DDC_AUX_SEL: DDI Interface #x Cable Adapter Detect signal. When this signal is
detected high, then on the connector there is the TMDS interface (it means that a DP-to-HDMI
adapter is connected).
DDIx_CEC: this signal is tied to GND through a 5.1MOhm resistor.
3.3.16
FAN Connector
Depending on the usage model of systems based on CCOMe-C30 carrier board, for critical applications/environments it is
available a 3-pin dedicated connector for an ex12V
DC
FAN.
FAN Connector is a 3-pin single line SMT connector, type MOLEX 22-27-2031 or equivalent, with pinout
shown in the table on the left.
Mating connector: MOLEX 22-01-2035 receptacle with MOLEX 2759 or 4809 KK
®
crimp terminals.
Please be aware that the use of an external fan depends strongly on customer
’
s application/installation. Fan Speed control must
be supported by COM Express module through signals FAN_TACHIN and FAN_PWMOUT
Please refer to chapter 4.1 for considerations about thermal dissipation.
FAN_POWER: +12V_S derived power rail for FAN, managed by PWM signal FAN_PWMOUT coming from COM Express connector.
FAN_TACHO_IN: tachometric input from the fan to the COM Express module
+ Connector #2- CN23
Pin Signal
Pin Signal
1
GND
2
DDI2_HPD
3
DDI
4
DDI2_DDC_AUX_SEL
5
DDI2_PAIR0-
6
DDI2_CEC
7
GND
8
GND
9
DDI
10
DDI
11
DDI2_PAIR1-
12
DDI2_PAIR3-
13
GND
14
GND
15
DDI
16
DDI2_CTRL
17
DDI2_PAIR2-
18
DDI2_CTRLDATA_AUX-
19
GND
20
+3.3V_S
FAN Connector - CN16
Pin Signal
1
GND
2
FAN_POWER
3
FAN_TACHO_IN
