DFI CR908-B - Manual (Page 21)

www.dfi .com Chapter 3 Hardware Installation
21
Chapter 3
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
USB0+ A46
USB0- A45
USB1+ B46
USB1- B45
USB2+ A43
USB2- A42
USB3+ B43
USB3- B42
USB4+ A40
USB4- A39
USB5+ B40
USB5- B39
USB6+ A37
USB6- A36
USB7+ B37
USB7- B36
USB_0_1_OC# B44 I CMOS 3.3V Suspend/3.3V PU 10k to 3.3VSB
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_2_3_OC# A44 I CMOS 3.3V Suspend/3.3V PU 10k to 3.3VSB
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_4_5_OC# B38 I CMOS 3.3V Suspend/3.3V PU 10k to 3.3VSB
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_6_7_OC# A38 I CMOS 3.3V Suspend/3.3V PU 10k to 3.3VSB
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_SSTX0+ D4
USB_SSTX0- D3
USB_SSRX0+ C4
USB_SSRX0- C3
USB_SSTX1+ D7
USB_SSTX1- D6
USB_SSRX1+ C7
USB_SSRX1- C6
USB_SSTX2+ D10
USB_SSTX2- D9
USB_SSRX2+ C10
USB_SSRX2- C9
USB_SSTX3+ D13
USB_SSTX3- D12
USB_SSRX3+ C13
USB_SSRX3- C12
O PCIE AC coupled on Module Additional transmit signal differential pairs for the SuperSpeed USB data path.
I PCIE AC coupled off Modul Additional receive 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 Modul Additional receive 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 Modul Additional receive 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 Modul Additional receive signal differential pairs for the SuperSpeed USB data path.
USB Signals Descriptions
I/O USB 3.3V Suspend/3.3V USB differential pairs 0
I/O USB 3.3V Suspend/3.3V
USB differential pairs 7, USB7 may be configured as a USB client or as a host, or both, at the
Module designer's discretion.(CR908-B default set as a host)
I/O USB 3.3V Suspend/3.3V USB differential pairs 6
I/O USB 3.3V Suspend/3.3V USB differential pairs 5
I/O USB 3.3V Suspend/3.3V USB differential pairs 4
I/O USB 3.3V Suspend/3.3V USB differential pairs 3
I/O USB 3.3V Suspend/3.3V USB differential pairs 2
I/O USB 3.3V Suspend/3.3V USB differential pairs 1