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Chapter 1 Introduction
17
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
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
Ω
in series to CODEC2 pin 8 SDATA_IN
AC/HDA_SDIN1
B29
I/O CMOS
3.3V Suspend/3.3V
Connect 33
Ω
in series to CODEC1 pin 8 SDATA_IN
AC/HDA_SDIN0
B30
I/O CMOS
3.3V Suspend/3.3V
Connect 33
Ω
in series to CODEC0 pin 8 SDATA_IN
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
GB
A13
I/O Analog
3.3V max Suspend
GBE0_MDI0-
A12
I/O Analog
3.3V max Suspend
GB
A10
I/O Analog
3.3V max Suspend
GBE0_MDI1-
A9
I/O Analog
3.3V max Suspend
GB
A7
I/O Analog
3.3V max Suspend
GBE0_MDI2-
A6
I/O Analog
3.3V max Suspend
GB
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 150
Ω
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 150
Ω
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 150
Ω
to 3.3VSB
Gigabit Ethernet Controller 0 1000 Mbit / sec link indicator, active low.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
S
A16
O SATA
AC coupled on Module
AC Coupling capacitor
SATA0_TX-
A17
O SATA
AC coupled on Module
AC Coupling capacitor
S
A19
I SATA
AC coupled on Module
AC Coupling capacitor
SATA0_RX-
A20
I SATA
AC coupled on Module
AC Coupling capacitor
S
B16
O SATA
AC coupled on Module
AC Coupling capacitor
SATA1_TX-
B17
O SATA
AC coupled on Module
AC Coupling capacitor
S
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 220
Ω
to 3.3V
ATA (parallel and serial) or SAS activity indicator, active low.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
P
A68
AC Coupling capacitor
PCIE_TX0-
A69
AC Coupling capacitor
P
B68
PCIE_RX0-
B69
P
A64
AC Coupling capacitor
PCIE_TX1-
A65
AC Coupling capacitor
P
B64
PCIE_RX1-
B65
P
A61
AC Coupling capacitor
PCIE_TX2-
A62
AC Coupling capacitor
P
B61
PCIE_RX2-
B62
P
A58
NA
NA
PCIE_TX3-
A59
NA
NA
P
B58
NA
NA
PCIE_RX3-
B59
NA
NA
PCIE0
A88
PCIE0_CK_REF-
A89
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
EXCD0_CPPE#
A49
PU 10k to 3.3V
EXCD1_CPPE#
B48
PU 10k to 3.3V
EXCD0_PERST#
A48
EXCD1_PERST#
B47
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
DDI/DP
B71
Connect AC Coupling Capacitors 0.1uF to Device
DDI1_PAIR0-/DP0_LANE0-
B72
Connect AC Coupling Capacitors 0.1uF to Device
DDI/DP
B73
Connect AC Coupling Capacitors 0.1uF to Device
DDI1_PAIR1-/DP0_LANE1-
B74
Connect AC Coupling Capacitors 0.1uF to Device
DDI/DP
B75
Connect AC Coupling Capacitors 0.1uF to Device
DDI1_PAIR2-/DP0_LANE2-
B76
Connect AC Coupling Capacitors 0.1uF to Device
DDI/DP
B81
Connect AC Coupling Capacitors 0.1uF to Device
DDI1_PAIR3-/DP0_LANE3-
B82
Connect AC Coupling Capacitors 0.1uF to Device
DDI
B77
NA
NA
DDI1_PAIR4-
B78
NA
NA
DDI
B91
NA
NA
DDI1_PAIR5-
B92
NA
NA
DDI
B93
NA
NA
DDI1_PAIR6-
B94
NA
NA
I/O PCIE
AC coupled on Module
PD 49.9K to GND
(S/W IC between Rpu/PCH)
Connect to DP AUX+
DP AUX+ function if DDI1_DDC_AUX_SEL is no connect
I/O OD CMOS 3.3V / 3.3V
PU 2.2K to 3.3V, PD 49.9K to
GND
Connect to HDMI/DVI I2C CTRLCLK
HDMI/DVI I2C CTRLCLK if DDI1_DDC_AUX_SEL is pulled high
I/O PCIE
AC coupled on Module
PU 100K to 3.3V
Connect to DP AUX-
DP AUX- function if DDI1_DDC_AUX_SEL is no connect
I/O OD CMOS 3.3V / 3.3V
PU 2.2K to 3.3V/PU 100K to 3.3V Connect to HDMI/DVI I2C CTRLDATA
HDMI/DVI I2C CTRLDATA if DDI1_DDC_AUX_SEL is pulled high
DDI1_HPD/DP0_HPD
B89
I CMOS
3.3V / 3.3V
PD 1M to GND
PD 1M and Connect to device Hot Plug Detect
DDI Hot-Plug Detect
DDI1_DDC_AUX_SEL
B95
I CMOS
3.3V / 3.3V
PD 1M to GND
PU 100K to 3.3V for DDC(HDMI/DVI)
Selects the function of DDI1_CTRL and DDI1_CTRLDATA_AUX-.
This pin shall have a 1M pull-down to
logic ground on the Module. If this input is floating the AUX pair is
used for the DP AUX+/- signals. If pulled-high the AUX pair
contains the CRTLCLK and CTRLDATA signals
************************************************************
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#
Pin Type
Pwr Rail /Tolerance
BT9A3
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 3.3A
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 3.3A
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 3.3A
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 3.3A
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.
US
B23
USB_SSTX0-
B22
US
A23
USB_SSRX0-
A22
US
B26
NA
NA
USB_SSTX1-
B25
NA
NA
US
A26
NA
NA
USB_SSRX1-
A25
NA
NA
USB_HOST_PRSNT
B96
I CMOS
3.3V Suspend/3.3V
NA
NA
Module USB client may detect the presence of a USB host. A high value(NA for BT9A3)
indicates that a host is present.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
A71
LVDS_A0-
A72
A73
LVDS_A1-
A74
A75
LVDS_A2-
A76
A78
LVDS_A3-
A79
LV
A81
LVDS_A_CK-
A82
LVDS_VDD_EN
A77
O CMOS
3.3V / 3.3V
Connect to enable control of LVDS panel power
circuit
LVDS panel power enable
LVDS_BKLT_EN
B79
O CMOS
3.3V / 3.3V
Connect to enable control of LVDS panel backlight
power circuit.
LVDS panel backlight enable
LVDS_BKLT_CTRL
B83
O CMOS
3.3V / 3.3V
Connect to brightness control of LVDS panel
backlight power circuit.
LVDS panel backlight brightness control
LVDS_I2C_CK
A83
I/O OD CMOS 3.3V / 3.3V
PU 2.2K to 3.3V
Connect to DDC clock of LVDS panel
I2C clock output for LVDS display use
LVDS_I2C_DAT
A84
I/O OD CMOS 3.3V / 3.3V
PU 2.2K to 3.3V
Connect to DDC data of LVDS panel
I2C data line for LVDS display use
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
LPC_AD0
B4
LPC_AD1
B5
LPC_AD2
B6
LPC_AD3
B7
LPC_FRAME#
B3
O CMOS
3.3V / 3.3V
LPC frame indicates the start of an LPC cycle
LPC_DRQ0#
B8
LPC_DRQ1#
B9
LPC_SERIRQ
A50
I/O CMOS
3.3V / 3.3V
PU 8.2K to 3.3V
LPC serial interrupt
LPC_CLK
B10
O CMOS
3.3V / 3.3V
LPC clock output - 33MHz nominal
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
SPI_CS#
B97
O CMOS
3.3V Suspend/3.3V
Connect a series resistor 33
Ω
Ω
to Carrier
Board SPI Device CS# pin
Chip select for Carrier Board SPI - may be sourced from chipset SPI0 or SPI1
SPI_MISO
A92
I CMOS
3.3V Suspend/3.3V
Connect a series resistor 33
Ω
Ω
to Carrier
Board SPI Device SO pin
Data in to Module from Carrier SPI
SPI_MOSI
A95
O CMOS
3.3V Suspend/3.3V
Connect a series resistor 33
Ω
Ω
to Carrier
Board SPI Device SI pin
Data out from Module to Carrier SPI
SPI_CLK
A94
O CMOS
3.3V Suspend/3.3V
Connect a series resistor 33
Ω
Ω
to Carrier
Board SPI Device SCK pin
Clock from Module to Carrier SPI
SPI_POWER
A91
O
3.3V Suspend/3.3V
Power supply for Carrier Board SPI – sourced from Module – nominally
3.3V. The Module shall provide a minimum of 100mA on SPI_POWER.
Carriers shall use less than 100mA of SPI_POWER. SPI_POWER
shall only be used to power SPI devices on the Carrier
BIOS_DIS0#
A34
BIOS_DIS1#
B88
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
SER0_TX
A98
O CMOS
5V / 12V(design 3.3v~5V
tolerant)
PD 4.7K
General purpose serial port 0 transmitter
SER0_RX
A99
I CMOS
5V / 12V(design 3.3v~5V
tolerant)
PU 47K to 3.3V
General purpose serial port 0 receiver
SER1_TX
A101
O CMOS
5V / 12V(design 3.3v~5V
tolerant)
PD 4.7K
General purpose serial port 1 transmitter
SER1_RX
A102
I CMOS
5V / 12V(design 3.3v~5V
tolerant)
PU 47K to 3.3V
General purpose serial port 1 receiver
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
I2C_CK
B33
I/O OD CMOS 3.3V Suspend/3.3V
PU 2.2K to 3V3A_EC
General purpose I2C port clock output
I2C_DAT
B34
I/O OD CMOS 3.3V Suspend/3.3V
PU 2.2K to 3V3A_EC
General purpose I2C port data I/O line
SPKR
B32
O CMOS
3.3V / 3.3V
Output for audio enunciator - the "speaker" in PC-AT systems.
This port provides the PC beep signal and is mostly intended for
debugging purposes.
WDT
B27
O CMOS
3.3V / 3.3V
Output indicating that a watchdog time-out event has occurred.
FAN_PWNOUT
B101
O OD CMOS
3.3V / 12V
Fan speed control. Uses the Pulse Width Modulation (PWM) technique to control the fan's RPM.
FAN_TACHIN
B102
I OD CMOS
3.3V / 12V
Fan tachometer input for a fan with a two pulse output.
TPM_PP
A96
I CMOS
3.3V / 3.3V
Trusted Platform Module (TPM) Physical Presence pin. Active high.
TPM chip has an internal pull down. This signal is used to indicate
Physical Presence to the TPM.
(NC for BT9A3)
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
PWRBTN#
B12
I CMOS
3.3V Suspend/3.3V
PU 10K to 3V3A_EC
A falling edge creates a power button event. Power button events can
be used to bring a system out of S5 soft off and other suspend states,
as well as powering the system down.
SYS_RESET#
B49
I CMOS
3.3V Suspend/3.3V
PU 10K to 3V3A
Reset button input. Active low request for Module to reset and reboot.
May be falling edge sensitive. For situations when SYS_RESET# is
not able to reestablish control of the system, PWR_OK or a power
cycle may be used.
CB_RESET#
B50
O CMOS
3.3V Suspend/3.3V
Reset output from Module to Carrier Board. Active low. Issued by
Module chipset and may result from a low SYS_RESET# input, a low
PWR_OK input, a VCC_12V power input that falls below the minimum
specification, a watchdog timeout, or may be initiated by the Module
software.
PWR_OK
B24
I CMOS
3.3V / 3.3V
PU 10K to 3.3V
Power OK from main power supply. A high value indicates that the
power is good. This signal can be used to hold off Module startup to
allow Carrier based FPGAs or other configurable devices time to be
programmed.
SUS_STAT#
B18
O CMOS
3.3V Suspend/3.3V
Indicates imminent suspend operation; used to notify LPC devices.
SUS_S3#
A15
O CMOS
3.3V Suspend/3.3V
Indicates system is in Suspend to RAM state. Active low output. An
inverted copy of SUS_S3# on the Carrier Board may be used to
enable the non-standby power on a typical ATX supply.
SUS_S4#
A18
O CMOS
3.3V Suspend/3.3V
Indicates system is in Suspend to Disk state. Active low output.
SUS_S5#
A24
O CMOS
3.3V Suspend/3.3V
Indicates system is in Soft Off state.
WAKE0#
B66
I CMOS
3.3V Suspend/3.3V
NC/PU 10K to 3.3A
PCI Express wake up signal.
WAKE1#
B67
I CMOS
3.3V Suspend/3.3V
General purpose wake up signal. May be used to implement wake-up
on PS2 keyboard or mouse activity.
BATLOW#
A27
I CMOS
3.3V Suspend/ 3.3V
PU 10K to 3.3A
Indicates that external battery is low.
This port provides a battery-low signal to the Module for orderly
transitioning to power saving or power cut-off ACPI modes.
LID#
A103
I OD CMOS
3.3V Suspend/12V
PU 10K to 3V3A_EC
LID switch. Low active signal used by the ACPI operating system for a LID switch.
SLEEP#
B103
I OD CMOS
3.3V Suspend/12V
PU 10K to 3V3A_EC
Sleep button. Low active signal used by the ACPI operating system to bring the
system to sleep state or to wake it up again.
THRM#
B35
I CMOS
3.3V / 3.3V
PU 10K to 3.3V
Input from off-Module temp sensor indicating an over-temp situation.
THRMTRIP#
A35
O CMOS
3.3V / 3.3V
Active low output indicating that the CPU has entered thermal shutdown.
SMB_CK
B13
I/O OD CMOS 3.3V Suspend/3.3V
PU 2.2K to 3V3A_EC
System Management Bus bidirectional clock line.
SMB_DAT
B14
I/O OD CMOS 3.3V Suspend/3.3V
PU 2.2K to 3V3A_EC
System Management Bus bidirectional data line.
SMB_ALERT#
B15
I CMOS
3.3V Suspend/3.3V
System Management Bus Alert – active low input can be used to
generate an SMI# (System Management Interrupt) or to wake the system.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
GPO0
A93
GPO1
B54
GPO2
B57
GPO3
B63
GPI0
A54
PU 100K to 3.3V
GPI1
A63
PU 100K to 3.3V
GPI2
A67
PU 100K to 3.3V
GPI3
A85
PU 100K to 3.3V
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT9A3
Carrier Board
Description
VCC_12V
A104~A109
B104~B109
Power
4.75V – 20.0V
4.75V – 20.0V
Primary power input: +12V nominal. All available VCC_12V pins on the connector(s) shall be used.
The module supplies a wide range of power from 4.75V to 20.0V.
VCC_5V_SBY
B84~B87
Power
4.75V - 5.25V
4.75V - 5.25V
Standby power input: +5.0V nominal. If VCC5_SBY is used, all
available VCC_5V_SBY pins on the connector(s) shall be used. Only
used for standby and suspend functions. May be left unconnected if
these functions are not used in the system design.
VCC_RTC
A47
Power
2.0V - 3.3V
2.0V - 3.3V
Real-time clock circuit-power input. Nom3.0V.
GND
A1, A11, A21, A31, A41,
A51, A57, A60, A66, A70,
A80, A90, A100, A110, B1,
B11, B21 ,B31, B41, B51,
B60, B70, B80, B90, B100,
B110
Power
Ground - DC power and signal and AC signal return path.
All available GND connector pins shall be used and tied to Carrier
Board GND plane.
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
I PCIE
AC coupled off Module
PCI Express Differential Receive Pairs 3 (NA for BT9A3)
O PCIE
AC coupled on Module
PCI Express Differential Transmit Pairs 3 (NA for BT9A3)
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
B99
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.
NA for BT9A3
NA for BT9A3
ExpressCard Signals Descriptions
I CMOS
3.3V /3.3V
PCI ExpressCard: PCI Express capable card request, active low, one per card
O CMOS
3.3V /3.3V
PCI ExpressCard: reset, active low, one per card
USB differential pairs 5
NA for BT9A3
O PCIE
AC coupled off Module
DDI 1 Pair 3 differential pairs/Serial Digital Video B clock output differential pair.
DDI 1 Pair 1 differential pairs/Serial Digital Video B green output differential pair
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
USB Signals Descriptions
I/O USB
3.3V Suspend/3.3V
USB differential pairs 0
DDI1_CTRL/
B98
DDI1_CTRLCLK_AUX-/DP0_AUX-
I/O USB
3.3V Suspend/3.3V
USB differential pairs 4
I/O USB
3.3V Suspend/3.3V
AC coupled off Modul
Additional receive signal differential pairs for the SuperSpeed USB data path.(NA for BT9A3)
O PCIE
AC coupled on Module
Additional transmit signal differential pairs for the SuperSpeed USB data path.
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector
I/O USB
3.3V Suspend/3.3V
USB differential pairs 7
I/O USB
3.3V Suspend/3.3V
USB differential pairs 6
I/O USB
3.3V Suspend/3.3V
O PCIE
AC coupled on Module
Additional transmit signal differential pairs for the SuperSpeed USB data path.(NA for BT9A3)
I PCIE
AC coupled off Modul
Additional receive signal differential pairs for the SuperSpeed USB data path.
O LVDS
LVDS
I PCIE
LVDS Channel A differential clock
O LVDS
LVDS
LVDS Signals Descriptions
O LVDS
LVDS
LVDS Channel A differential pairs
O LVDS
LVDS
O LVDS
LVDS
Connect to LVDS connector
Connect to LVDS connector
Connect to LVDS connector
Connect to LVDS connector
Connect to LVDS connector
Power and GND Signal Descriptions
I/O CMOS
3.3V / 3.3V
3.3V / 3.3V
LPC serial DMA request
SPI Signals Descriptions
I CMOS
I CMOS
PU 100K to 3V3
General purpose input pins.
Power and System Management Signals Descriptions
GPIO Signals Descriptions
O CMOS
3.3V / 3.3V
General purpose output pins.
LPC multiplexed address, command and data bus
Connect to LPC device
Pin Types
I Input to the Module
O Output from the Module
I/O Bi-directional input / output signal
OD Open drain output
Serial Interface Signals Descriptions
Miscellaneous Signal Descriptions
I CMOS
DDI Signals Descriptions
O PCIE
AC coupled off Module
DDI 1 Pair 0 differential pairs/Serial Digital Video B red output differential pair
NA
Selection straps to determine the BIOS boot device.
The Carrier should only float these or pull them low, please refer to
COM Express Module Base Specification Revision 2.1 for strapping options of BIOS disable signals.
LPC Signals Descriptions
O PCIE
AC coupled off Module
DDI 1 Pair 2 differential pairs/Serial Digital Video B blue output differential pair
O PCIE
AC coupled off Module
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
Connect Common Choke in series and ESD
suppressors to GND to USB connector
Connect Common Choke in series and ESD
suppressors to GND to USB connector
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
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector
Connect 90
Ω
@100MHz Common Choke in series
and ESD suppressors to GND to USB connector