Com express connectors signal description – DFI CD9A3 series User Manual

Page 16

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Chapter 3 Hardware Installation

16

Chapter 3

COM Express Connectors Signal Description

Signal

Pin#

Pin Type

Pwr Rail /Tolerance

CD9A3 Series

Carrier Board

Description

AC/HAD_RST#

A30

O CMOS

3.3V Suspend/3.3V

Connect to CODEC pin 11 RESET#

Reset output to CODEC, active low.

AC/HDA_SYNC

A29

O CMOS

3.3V/3.3V

Connect to CODEC pin 10 SYNC

Sample-synchronization signal to the CODEC(s).

AC/HDA_BITCLK

A32

I/O CMOS

3.3V/3.3V

Connect to CODEC pin 6 BIT_CLK

Serial data clock generated by the external CODEC(s).

AC/HDA_SDOUT

A33

O CMOS

3.3V/3.3V

Connect to CODEC pin 5 SDATA_OUT

Serial TDM data output to the CODEC.

AC/HDA_SDIN2

B28

I/O CMOS

3.3V Suspend/3.3V

Connect 33 ƻ in series to CODEC2 pin 8 SDATA_IN

AC/HDA_SDIN1

B29

I/O CMOS

3.3V Suspend/3.3V

Connect 33 ƻ in series to CODEC1 pin 8 SDATA_IN

AC/HDA_SDIN0

B30

I/O CMOS

3.3V Suspend/3.3V

Connect 33 ƻ in series to CODEC0 pin 8 SDATA_IN

Signal

Pin#

Pin Type

Pwr Rail /Tolerance

CD9A3 Series

Carrier Board

Description

GBE0_MDI0+

A13

I/O Analog

3.3V max Suspend

GBE0_MDI0-

A12

I/O Analog

3.3V max Suspend

GBE0_MDI1+

A10

I/O Analog

3.3V max Suspend

GBE0_MDI1-

A9

I/O Analog

3.3V max Suspend

GBE0_MDI2+

A7

I/O Analog

3.3V max Suspend

GBE0_MDI2-

A6

I/O Analog

3.3V max Suspend

GBE0_MDI3+

A3

I/O Analog

3.3V max Suspend

GBE0_MDI3-

A2

I/O Analog

3.3V max Suspend

GBE0_ACT#

B2

OD CMOS

3.3V Suspend/3.3V

Connect to LED and recommend current limit
resistor 150ȟ to 3.3VSB

Gigabit Ethernet Controller 0 activity indicator, active low.

GBE0_LINK#

A8

OD CMOS

3.3V Suspend/3.3V

NC

Gigabit Ethernet Controller 0 link indicator, active low.

GBE0_LINK100#

A4

OD CMOS

3.3V Suspend/3.3V

Connect to LED and recommend current limit
resistor 150ȟ to 3.3VSB

Gigabit Ethernet Controller 0 100 Mbit / sec link indicator, active low.

GBE0_LINK1000#

A5

OD CMOS

3.3V Suspend/3.3V

Connect to LED and recommend current limit
resistor 150ȟ to 3.3VSB

Gigabit Ethernet Controller 0 1000 Mbit / sec link indicator, active low.

Signal

Pin#

Pin Type

Pwr Rail /Tolerance

CD9A3 Series

Carrier Board

Description

SATA0_TX+

A16

O SATA

AC coupled on Module

AC Coupling capacitor

SATA0_TX-

A17

O SATA

AC coupled on Module

AC Coupling capacitor

SATA0_RX+

A19

I SATA

AC coupled on Module

AC Coupling capacitor

SATA0_RX-

A20

I SATA

AC coupled on Module

AC Coupling capacitor

SATA1_TX+

B16

O SATA

AC coupled on Module

AC Coupling capacitor

SATA1_TX-

B17

O SATA

AC coupled on Module

AC Coupling capacitor

SATA1_RX+

B19

I SATA

AC coupled on Module

AC Coupling capacitor

SATA1_RX-

B20

I SATA

AC coupled on Module

AC Coupling capacitor

ATA_ACT#

A28

I/O CMOS

3.3V / 3.3V

PU 10K to 3.3V

Connect to LED and recommend current limit
resistor 220ƻ to 3.3V

ATA (parallel and serial) or SAS activity indicator, active low.

Signal

Pin#

Pin Type

Pwr Rail /Tolerance

CD9A3 Series

Carrier Board

Description

PCIE_TX0+

A68

AC Coupling capacitor

PCIE_TX0-

A69

AC Coupling capacitor

PCIE_RX0+

B68

PCIE_RX0-

B69

PCIE_TX1+

A64

AC Coupling capacitor

PCIE_TX1-

A65

AC Coupling capacitor

PCIE_RX1+

B64

PCIE_RX1-

B65

PCIE_TX2+

A61

AC Coupling capacitor

PCIE_TX2-

A62

AC Coupling capacitor

PCIE_RX2+

B61

PCIE_RX2-

B62

PCIE_TX3+

A58

NA

NA

PCIE_TX3-

A59

NA

NA

PCIE_RX3+

B58

NA

NA

PCIE_RX3-

B59

NA

NA

PCIE0_CK_REF+

A88

PCIE0_CK_REF-

A89

ȟ

ȟ

ȟ

ȟ

Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin

Connect to PCIE device or slot

Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin

Connect to PCIE device or slot

Connect to PCIE device, PCIe CLK Buffer or slot

Pin Types
I Input to the Module
O Output from the Module
I/O Bi-directional input / output signal
OD Open drain output

Connect to Magnetics Module MDI0+/-

Connect to Magnetics Module MDI1+/-

Connect to Magnetics Module MDI2+/-

Connect to Magnetics Module MDI3+/-

Connect to SATA0 Conn RX pin

Connect to SATA1 Conn TX pin

O PCIE

AC coupled on Module

PCI Express Differential Transmit Pairs 2

I PCIE

AC coupled off Module

PCI Express Differential Receive Pairs 1

O PCIE

PCIE

Reference clock output for all PCI Express and PCI Express Graphics lanes.

I PCIE

AC coupled off Module

PCI Express Differential Receive Pairs 3 (NA for CD9A3)

O PCIE

AC coupled on Module

PCI Express Differential Transmit Pairs 3 (NA for CD9A3)

I PCIE

AC coupled off Module

PCI Express Differential Receive Pairs 2

Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin

AC97/HDA Signals Descriptions

Serial TDM data inputs from up to 3 CODECs.

Gigabit Ethernet Signals Descriptions

Gigabit Ethernet Controller 0: Media Dependent Interface Differential
Pairs 0,1,2,3. The MDI can operate in 1000, 100 and 10 Mbit / sec
modes. Some pairs are unused in some modes, per the following:
1000BASE-T 100BASE-TX 10BASE-T
MDI[0]+/- B1_DA+/- TX+/- TX+/-
MDI[1]+/- B1_DB+/- RX+/- RX+/-
MDI[2]+/- B1_DC+/-
MDI[3]+/- B1_DD+/-

Serial ATA or SAS Channel 1 receive differential pair.

SATA Signals Descriptions

O PCIE

AC coupled on Module

PCI Express Differential Transmit Pairs 1

PCI Express Lanes Signals Descriptions

Serial ATA or SAS Channel 0 transmit differential pair.

Serial ATA or SAS Channel 0 receive differential pair.

O PCIE

AC coupled on Module

PCI Express Differential Transmit Pairs 0

Serial ATA or SAS Channel 1 transmit differential pair.

I PCIE

AC coupled off Module

PCI Express Differential Receive Pairs 0

Connect to SATA1 Conn RX pin

Connect to SATA0 Conn TX pin

Connect to PCIE device or slot

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