Avnet Qseven MSC Q7-BT - Serial ATA

MSC Q7-BT MSC_Q7-BT_User_Manual.pdf 31 / 113
4.3 Serial ATA
The Bay Trail-I SoC supports two SATA ports.
If the SSD is populated on the module then this will use the second SATA interface (SATA1) otherwise both SATA ports are available.
Table 4-3 SATA Signal Description
Signal
Pin Type
Signal Level
Available
Power
Tolerance
PU/PD
Description
SATA0_TX+
SATA0_TX-
O
SATA
Full On
AC coupled
on module
Serial ATA Channel 0 transmit differential pair.
SATA0_RX+
SATA0_RX-
I
SATA
Full On
AC coupled
on module
Serial ATA Channel 0 receive differential pair.
SATA1_TX+
SATA1_TX-
O
SATA
Full On
AC coupled
on module
Serial ATA Channel 1 transmit differential pair
if no SSD is assembled.
SATA1_RX+
SATA1_RX-
I
SATA
Full On
AC coupled
on module
Serial ATA Channel 1 receive differential pair
if no SSD is assembled.
SATA_ACT#
O OD
3.3V CMOS
Full On
3.3V
SATA activity indicator, active low.