CCOMe-C79
CCOMe-C79 - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by E.S. Copyright © 2021 SECO S.p.A.
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S-ATA Connectors
For the connection of external Mass Storage Devices, there are two standard male 7 poles SATA connectors,CN24,CN25, type WINNING p/n
WATM-07ABN4B2B8UW or equivalent.
These connectors carry out directly SATA port #0 and SATA port #1 signals coming from COM Express module
’
s connector.
Each SATA channel is composed by two differential pairs, SATA_TxX and SATA_RxX.
Please notice that each SATA connector will work only in case the COM Express module carries out SATA Channel #0 and #1 on COM Express connector.
In case the COM Express module used doesn
’
t have these signals connected, then one or more of these connectors will not be usable.
Here following the signals related to SATA interface:
S/SATA0_TX-: Serial ATA Channel #0 Transmit differential pair.
S/SATA0_RX-: Serial ATA Channel #0 Receive differential pair.
S/SATA1_TX-: Serial ATA Channel #1 Transmit differential pair.
S/SATA1_RX-: Serial ATA Channel #1 Receive differential pair.
SATA #0 Connector CN24
Pin Signal
1
GND
2
S
3
SATA0_Tx-
4
GND
5
SATA0_Rx-
6
S
7
GND
SATA #1 Connector CN25
Pin Signal
1
GND
2
S
3
SATA1_Tx-
4
GND
5
SATA1_Rx-
6
S
7
GND
