Connectors Description - Seco CCOMe-C30 User Manual

3.3 Connectors description

3.3.1 COM Express module connectors
For the connection of COM Express CPU modules, on board there are two connectors, type TYCO 3-6318491-6
(220 pin dual row plug, ultra thin, 0.5mm pitch, h=8mm), as requested by COM Express specifications.
The pinout of these connectors will be briefly described in the following paragraphs. Please refer to COM Express
standard for a better description of each signal.
Description
Power Ground
GbEthernet Differential pair 3-
GbEthernet Differential pair 3+
GbEthernet 100Mb/s link ind.
GbEthernet 1000Mb/s link ind.
GbEthernet differential pair 2-
GbEthernet Differential pair 2+
Not connected
GbEthernet Differential pair 1-
GbEthernet Differential pair 1+
Power Ground
GbEthernet Differential pair 0-
GbEthernet Differential pair 0+
GbEthernet Reference Voltage
Suspend to RAM (S3) signal
SATA0 Transmit Data +
SATA0 Transmit Data -
Not connected
SATA0 Receive Data +
SATA0 Receive Data -
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.
COM Express Connector CN1 - Rows A & B
Pin name Pin nr.
GND A1
GBE0_MDI3- A2
GBE0_MDI3+ A3
GBE0_LINK100# A4
GBE0_LINK1000# A5
GBE0_MDI2- A6
GBE0_MDI2+ A7
N.C. A8
GBE0_MDI1- A9
GBE0_MDI1+ A10
GND A11
GBE0_MDI0- A12
GBE0_MDI0+ A13
GBE0_CTREF A14
SUS_S3# A15
SATA0_TX+ A16
SATA0_TX- A17
N.C. A18
SATA0_RX+ A19
SATA0_RX- A20
Pin nr. Pin name
B1 GND
B2 GBE0_ACT#
B3 LPC_FRAME#
B4 LPC_AD0
B5 LPC_AD1
B6 LPC_AD2
B7 LPC_AD3
B8 N.C.
B9 N.C.
B10 LPC_CLK
B11 GND
B12 PWRBTN#
B13 SMB_CK
B14 SMB_DAT
B15 SMB_ALERT#
B16 SATA1_TX+
B17 SATA1_TX-
B18 N.C.
B19 SATA1_RX+
B20 SATA1_RX-
Description
Power Ground
GbEth Activity indicator
LPC Frame Indicator
LPC Address / Data Bus 0
LPC Address / Data Bus 1
LPC Address / Data Bus 2
LPC Address / Data Bus 3
Not connected
Not connected
LPC Clock Output 33MHz
Power Ground
Power Button
SM Bus Clock
SM Bus Data
SM Bus Alert signal
SATA1 Transmit Data +
SATA1 Transmit Data -
Not connected
SATA1 Receive Data +
SATA1 Receive Data -
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