Com express connectors signal description, Chapter 3 – DFI BT968 User Manual
Page 17

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Chapter 3 Hardware Installation
17
Chapter 3
COM Express Connectors Signal Description
Signal
Pin#
Module Pin Type Pwr Rail /Tolerance
BT968
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
HDA_SDIN2 NA
NC
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#
Module Pin Type Pwr Rail /Tolerance
BT968
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 1000 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#
Module Pin Type Pwr Rail /Tolerance
BT968
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
SATA2_TX+
A22
O SATA
AC coupled on Module
AC Coupling capacitor
SATA2_TX-
A23
O SATA
AC coupled on Module
NA
SATA2_RX+
A25
I SATA
AC coupled on Module
NA
SATA2_RX-
A26
I SATA
AC coupled on Module
NA
SATA3_TX+
B22
O SATA
AC coupled on Module
NA
SATA3_TX-
B23
O SATA
AC coupled on Module
NA
SATA3_RX+
B25
I SATA
AC coupled on Module
NA
SATA3_RX-
B26
I SATA
AC coupled on Module
NA
ATA_ACT#
A28
I/O CMOS
3.3V / 3.3V
PU 47K 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#
Module Pin Type Pwr Rail /Tolerance
BT968
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
AC Coupling capacitor
PCIE_TX3-
A59
AC Coupling capacitor
PCIE_RX3+
B58
PCIE_RX3-
B59
PCIE_TX4+
A55
NA
PCIE_TX4-
A56
NA
ȟ
ȟ
ȟ
ȟ
Connect to Magnetics Module MDI0+/-
Connect to Magnetics Module MDI1+/-
Connect to Magnetics Module MDI2+/-
Connect to Magnetics Module MDI3+/-
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
Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin
Connect to PCIE device 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
NA (No support)
PCI Express Differential Receive Pairs 2
PCI Express Differential Transmit Pairs 3 (This Port is BOM Option with On board LAN)
I PCIE
AC coupled off Module
O PCIE
AC coupled on Module
O PCIE
AC coupled on Module
Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin
Connect to PCIE device or slot (This Port is BOM Option with On board LAN)
Device - Connect AC Coupling cap 0.1uF (This Port is BOM Option with On board LAN)
Slot - Connect to PCIE Conn pin
NA (No support)
AC coupled on Module
PCI Express Differential Transmit Pairs 1
PCI Express Differential Receive Pairs 1
PCI Express Differential Receive Pairs 3 (This Port is BOM Option with On board LAN)
O PCIE
AC coupled on Module
PCI Express Differential Transmit Pairs 0
O PCIE
AC coupled on Module
PCI Express Differential Transmit Pairs 2
I PCIE
AC coupled off Module
I PCIE
AC coupled off Module
PCI Express Differential Receive Pairs 0
I PCIE
AC coupled off Module
O PCIE
AC97/HDA Signals Descriptions
Serial TDM data inputs from up to 3 CODECs.
Gigabit Ethernet Signals Descriptions
PCI Express Lanes Signals Descriptions
Serial ATA or SAS Channel 0 transmit differential pair.
Connect to SATA0 Conn RX pin
Serial ATA or SAS Channel 0 receive differential pair.
Connect to SATA1 Conn TX pin
NA (No support)
NA (No support)
NA (No support)
NA (No support)
NA (No support)
NA (No support)
NA (No support)
NA (No support)
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+/-
Connect to SATA1 Conn RX pin
Serial ATA or SAS Channel 1 receive differential pair.
SATA Signals Descriptions
Connect to SATA0 Conn TX pin
Serial ATA or SAS Channel 1 transmit differential pair.