www.d
fi
.com
Chapter 3 Hardware Installation
19
Chapter 3
USB2+
A43
USB Port 2, data + or D+
USB2-
A42
USB Port 2, data - or D-
USB3+
B43
USB Port 3, data + or D+
USB3-
B42
USB Port 3, data - or D-
USB4+
A40
USB Port 4, data + or D+
USB4-
A39
USB Port 4, data - or D-
USB5+
B40
USB Port 5, data + or D+
USB5-
B39
USB Port 5, data - or D-
USB6+
A37
USB Port 6, data + or D+
USB6-
A36
USB Port 6, data - or D-
USB7+
B37
USB Port 7, data + or D+
USB7-
B36
USB Port 7, data - or D-
USB_0_1_OC#
B44
I CMOS
3.3V Suspend/3.3V
PU 10K
:
to 3.3V
Suspend
USB over-current sense, USB channels 0 and 1. A pull-up for this line
shall be present on the Module. An open drain driver from a USB
current monitor on the Carrier Board may drive this line low. Do not
pull this line high on the Carrier Board.
USB over-current sense, USB ports 0 and 1.
USB_2_3_OC#
A44
I CMOS
3.3V Suspend/3.3V
PU 10K
:
to 3.3V
Suspend
USB over-current sense, USB channels 2 and 3. A pull-up for this line
shall be present on the Module. An open drain driver from a USB
current monitor on the Carrier Board may drive this line low. Do not
pull this line high on the Carrier Board.
USB over-current sense, USB ports 2 and 3.
USB_4_5_OC#
B38
I CMOS
3.3V Suspend/3.3V
PU 10K
:
to 3.3V
Suspend
USB over-current sense, USB channels 4 and 5. A pull-up for this line
shall be present on the Module. An open drain driver from a USB
current monitor on the Carrier Board may drive this line low. Do not
pull this line high on the Carrier Board.
USB over-current sense, USB ports 4 and 5.
USB_6_7_OC#
A38
I CMOS
3.3V Suspend/3.3V
PU 10K
:
to 3.3V
Suspend
USB over-current sense, USB channels 6 and 7. A pull-up for this line
shall be present on the Module. An open drain driver from a USB
current monitor on the Carrier Board may drive this line low. Do not
pull this line high on the Carrier Board.
USB over-current sense, USB ports 6 and 7.
US
D4
AC Coupling capacitor
USB Port 0, SuperSpeed TX +
USB_SSTX0-
D3
AC Coupling capacitor
USB Port 0, SuperSpeed TX -
US
C4
USB Port 0, SuperSpeed RX +
USB_SSRX0-
C3
USB Port 0, SuperSpeed RX -
US
D7
AC Coupling capacitor
USB Port 1, SuperSpeed TX +
USB_SSTX1-
D6
AC Coupling capacitor
USB Port 1, SuperSpeed TX -
US
C7
USB Port 1, SuperSpeed RX +
USB_SSRX1-
C6
USB Port 1, SuperSpeed RX -
US
D10
AC Coupling capacitor
USB Port 2, SuperSpeed TX +
USB_SSTX2-
D9
AC Coupling capacitor
USB Port 2, SuperSpeed TX -
O PCIE
AC coupled on Module
Additional receive signal differential pairs for the SuperSpeed USB data
path.
I/O USB
3.3V Suspend/3.3V
USB differential pairs, channel 2
Additional transmit signal differential pairs for the SuperSpeed USB data
path.
O PCIE
AC coupled on Module
Additional transmit signal differential pairs for the SuperSpeed USB data
path.
I PCIE
AC coupled off Module
O PCIE
AC coupled on Module
Additional transmit signal differential pairs for the SuperSpeed USB data
path.
I/O USB
3.3V Suspend/3.3V
USB differential pairs, channel 6
Additional receive signal differential pairs for the SuperSpeed USB data
path.
I PCIE
AC coupled off Module
I/O USB
3.3V Suspend/3.3V
USB differential pairs, channel 5
I/O USB
3.3V Suspend/3.3V
USB differential pairs, channel 7.
USB7 may be configured as a USB client or as a host, or both, at the
Module designer's discretion. (CH960 default set as a host)
3.3V Suspend/3.3V
USB differential pairs, channel 4
I/O USB
3.3V Suspend/3.3V
USB differential pairs, channel 3
I/O USB
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
CH960 PU/PD
Module Base Specification R2.1 Description
COM Express Carrier Design Guide R2.0 Description
USB Signals Descriptions