Chapter 3 – DFI HU968 User Manual

Page 18

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Chapter 3 Hardware Installation

18

Chapter 3

Signal

Pin#

Module Pin Type Pwr Rail /Tolerance

HU968

Carrier Board

Description

0 /S

O

26

C

C C

l

C

0

ȟ
ȟ
ȟ

DDI Signals Descriptions

DDI3_PAIR0+

C39

NA

DDI3_PAIR0-

C40

NA

DDI3_PAIR1+

C42

NA

DDI3_PAIR1-

C43

NA

DDI3_PAIR2+

C46

NA

DDI3_PAIR2-

C47

NA

DDI3_PAIR3+

C49

NA

DDI3_PAIR3-

C50

NA

I/O PCIE

AC coupled on Module

NA

DP AUX+ function if DDI3_DDC_AUX_SEL is no connect

I/O OD CMOS

3.3V / 3.3V

NA

HDMI/DVI I2C CTRLCLK if DDI3_DDC_AUX_SEL is pulled high

I/O PCIE

AC coupled on Module

NA

DP AUX- function if DDI3_DDC_AUX_SEL is no connect

I/O OD CMOS

3.3V / 3.3V

NA

HDMI/DVI I2C CTRLDATA if DDI3_DDC_AUX_SEL is pulled high

DDI3_HPD

C44

I CMOS

3.3V / 3.3V

NA

DDI Hot-Plug Detect

DDI3_DDC_AUX_SEL

C38

I CMOS

3.3V / 3.3V

NA

Selects the function of DDI3_CTRLCLK_AUX+ and DDI3_CTRLDATA_AUX-.
DDI[n]_DDC_AUX_SEL shall be pulled to 3.3V on the Carrier with a 100K Ohm
resistor to configure the DDI[n]_AUX pair as the DDC channel.
Carrier DDI[n]_DDC_AUX_SEL should be connected to pin 13 of the DisplayPort

Signal

Pin#

Module Pin Type Pwr Rail /Tolerance

HU968

Carrier Board

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 3V3_DU

Connect to Overcurrent of USB Power Switch

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 3V3_DU

Connect to Overcurrent of USB Power Switch

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 3V3_DU

Connect to Overcurrent of USB Power Switch

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 3V3_DU

Connect to Overcurrent of USB Power Switch

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

AC Coupling capacitor

USB_SSTX0-

D3

AC Coupling capacitor

USB_SSRX0+

C4

USB_SSRX0-

C3

USB_SSTX1+

D7

AC Coupling capacitor

USB_SSTX1-

D6

AC Coupling capacitor

USB_SSRX1+

C7

USB_SSRX1-

C6

USB_SSTX2+

D10

NA

USB_SSTX2-

D9

NA

USB_SSRX2+

C10

NA

USB_SSRX2-

C9

NA

USB_SSTX3+

D13

NA

USB_SSTX3-

D12

NA

USB_SSRX3+

C13

NA

USB_SSRX3-

C12

NA

ȟ
ȟ
ȟ

O PCIE

AC coupled on Module

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

Additional transmit signal differential pairs for the SuperSpeed USB data path.

I PCIE

AC coupled off Modul

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

Additional receive signal differential pairs for the SuperSpeed USB data path.

O PCIE

AC coupled on Module

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

Additional transmit signal differential pairs for the SuperSpeed USB data path.

I PCIE

AC coupled off Modul

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

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

DDI 3 Pair 0 differential pairs

DDI 3 Pair 2 differential pairs

O PCIE

DDI 3 Pair 1 differential pairs

DDI3_CTRLCLK_AUX+

C36

DDI3_CTRLCLK_AUX-

C37

O PCIE

AC coupled off Module

O PCIE

AC coupled off Module

DDI 3 Pair 3 differential pairs

AC coupled off Module

O PCIE

AC coupled off Module

I/O USB

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 7, USB7 may be configured as a USB client or as a host, or both, at the
Module designer's discretion.(CR901-B default set as a host)

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.

I/O USB

I/O USB

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 2

I/O USB

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 1

I/O USB

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 6

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 4

I/O USB

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 3

I/O USB

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 5

USB Signals Descriptions

I/O USB

3.3V Suspend/3.3V

Connect 90ಳ @100MHz Common Choke in series and ESD suppressors to GND to USB
connector

USB differential pairs 0

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