ADLINK Technology cExpress-AL - CD Signal Descriptions

cExpress-AL
Pinouts and Signal Descriptions 23
3.4. CD Signal Descriptions
3.4.1. USB 3.0 extension
Signal Pin Description I/O PU/PD Comment
USB_SSRX0-
USB_SSRX0+
C3
C4
Additional Receive signal differential pairs for the
SuperSpeed USB data path on USB0
I PCIE
AC coupled off
Module
USB_SSTX0-
USB_SSTX0+
D3
D4
Additional Transmit signal differential pairs for the
SuperSpeed USB data path on USB0
O PCIE
AC coupled on
Module
USB_SSRX1-
USB_SSRX1+
C6
C7
Additional Receive signal differential pairs for the
SuperSpeed USB data path on USB1
I PCIE
AC coupled off
Module
USB_SSTX1-
USB_SSTX1+
D6
D7
Additional Transmit signal differential pairs for the
SuperSpeed USB data path on USB1
O PCIE
AC coupled on
Module
USB_SSRX2-
USB_SSRX2+
C9
C10
Additional Receive signal differential pairs for the
SuperSpeed USB data path on USB2
I PCIE
AC coupled off
Module
USB_SSTX2-
USB_SSTX2+
D9
D10
Additional Transmit signal differential pairs for the
SuperSpeed USB data path on USB2
O PCIE
AC coupled on
Module
USB_SSRX3-
USB_SSRX3+
C12
C13
Additional Receive signal differential pairs for the
SuperSpeed USB data path on USB3
I PCIE Not supported
USB_SSTX3-
USB_SSTX3+
D12
D13
Additional Transmit signal differential pairs for the
SuperSpeed USB data path on USB3
O PCIE Not supported
3.4.2. PCI Express x1
Signal Pin # Description I/O PU/PD Comment
PCIE_TX6+
PCIE_TX6-
D19
D20
PCI Express channel 6, Transmit
Output differential pair.
O
PCIE
Not supported
PCIE_RX6+
PCIE_RX6-
C19
C20
PCI Express channel 6, Receive
Input differential pair.
I PCIE Not supported
PCIE_TX7+
PCIE_TX7-
D22
D23
PCI Express channel 7, Transmit
Output differential pair.
O
PCIE
Not supported
PCIE_RX7+
PCIE_RX7-
C22
C23
PCI Express channel 7, Receive
Input differential pair.
I PCIE Not supported