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3.3.2
SATA connectors
SATA #1 Connector - CN6
Pin
Signal
1
GND
2
SATA1_Tx+
3
SATA1_Tx-
4
GND
5
SATA1_Rx-
6
SATA1_Rx+
7
GND
SATA Power Connector - CN8
Pin
Signal
1
+12V_S
2
GND
3
GND
4
+5V_S
Here following the signals related to SATA interface:
SATA1_TX+/SATA1_TX-: Serial ATA Channel #1 Transmit differential pair.
SATA1_RX+/SATA1_RX-: Serial ATA Channel #1 Receive differential pair.
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.
For the connection of external Mass Storage Devices, there is a standard male SATA connectors, CN6.
These connectors carry out directly SATA port #1 signals coming from COM Express
connector.
Please notice that each SATA connector will work only in case the COM Express module carries out
SATA Channel #1 on COM Express connector (pins B16, B17, B19 and B20). In case the COM Express module
used doesn't have these signals connected, then one or both of these connectors will not be usable.
A dedicated power connector, CN 8, can be used to give supply to external Hard Disks (or Solid State
Disks) connected to the SATA male connector.
The dedicated power connector is a 4-pin male connector, type HR p/n A2001WV-S-04 or equivalent,
with pinout shown in the table on the left.
Mating connector: HR A2001H-04P housing with HR A2001 series crimp terminals.
module's
31
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