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COM Express
™
PORTWELL PCOM-B700G User's Guide
Copyright © PORTWELL 2018 PCOM-B700G User's Guide
63
D35
10G_PHY_SEL_01
Phy mode select pin: If high Phy0
and Phy1 are configured by MDIO.
If low Phy2 and Phy3 are
configured by I2C. For MDIO
mode, this pin should be left not
connected on the Carrier. For I2C
mode pull down with 1K on Carrier
I
-
3.3V Suspend / 3.3V
-
-
D36
RSVD
RSVD
-
-
-
-
-
D37
RSVD
RSVD
-
-
-
-
-
D38
10G_SFP_SCL1
I2C clock signal of the 2-wire
management interface used by the
10GbE controller to access the
management registers of an
external Optical SFP Module
I/O
OD
3.3V Suspend / 3.3V
PU 4.7K to
3VSB
-
D39
10G_SFP_SCL0
I2C clock signal of the 2-wire
management interface used by the
10GbE controller to access the
management registers of an
external Optical SFP Module
I/O
OD
3.3V Suspend / 3.3V
PU 4.7K to
3VSB
-
D40
10G_SDP1
Software-Definable Pins. Can also
be used for IEEE1588 support
such as a 1pps signal
I/O
-
3.3V Suspend / 3.3V
PU 1K to
3VSB
-
D41
GND(FIXED)
GND(FIXED)
-
-
-
-
-
D42
10G
10GBASE-KR ports, transmit
output differential pairs.
O
KR
AC coupled on
Carrier
-
-
D43
10G_KR_TX1-
10GBASE-KR ports, transmit
output differential pairs.
O
KR
AC coupled on
Carrier
-
-