Chapter 3 – DFI CD905-B2600 User Manual

Page 24

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Chapter 3 Hardware Installation

24

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.

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.

I/O USB

3.3V Suspend/3.3V

USB differential pairs 5

I/O USB

3.3V Suspend/3.3V

USB differential pairs 6

I/O USB

3.3V Suspend/3.3V

USB differential pairs 3

I/O USB

3.3V Suspend/3.3V

USB differential pairs 4

I/O USB

3.3V Suspend/3.3V

USB differential pairs 1

I/O USB

3.3V Suspend/3.3V

USB differential pairs 2

USB Signals Descriptions

I/O USB

3.3V Suspend/3.3V

USB differential pairs 0

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