Express-SL2
Pinouts and Signal Descriptions
15
Gigabit Ethernet
Pin #
Description
I/O
PU/PD Comment
GBE0_CTREF
A14
Reference voltage for Carrier Board Ethernet channel 1
and 2 magnetics center tap. The reference voltage is
determined by the requirements of the Module PHY and
may be as low as 0V and as high as 3.3V. The reference
voltage output shall be current limited on the Module. In
the case in which the reference is shorted to ground, the
current shall be 250 mA or less.
GND min
3.3V max
NC
pin
3.3.5. SATA
Note
: SATA 3 port is supported by build option in place of PATA port.
Signal
Pin #
Description
I/O
PU/PD
Comment
S
SATA0_TX-
A16
A17
Serial ATA channel 0, Transmit Output differential
pair.
O SATA
AC coupled on Module
S
SATA0_RX-
A19
A20
Serial ATA channel 0, Receive Input differential
pair.
I SATA
AC coupled on Module
S*
SATA1_TX-*
B16
B17
Serial ATA channel 1, Transmit Output differential
pair.
O SATA
AC coupled on Module
S*
SATA1_RX-*
B19
B20
Serial ATA channel 1, Receive Input differential
pair.
I SATA
AC coupled on Module
S
SATA2_TX-
A22
A23
Serial ATA channel 2, Transmit Output differential
pair.
O SATA
AC coupled on Module
S
SATA2_RX-
A25
A26
Serial ATA channel 2, Receive Input differential
pair.
I SATA
AC coupled on Module
S
SATA3_TX-
B22
B23
Serial ATA channel 3, Transmit Output differential
pair.
O SATA
Supported by build
option*
AC coupled on Module
S
SATA3_RX-
B25
B26
Serial ATA channel 3, Receive Input differential
pair.
I SATA
Supported by build
option*
AC coupled on Module
(S)ATA_ACT# A28
ATA (parallel and serial) or SAS activity indicator,
active low.
O 3.3V
PU 10K
3.3V
Содержание Express-SL2
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