www.dfi .com
Chapter 2 Hardware Installation
16
Chapter 2
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT700
Carrier Board
Description
LPC_AD[0..3]
GPIO[0..3]
185-188
I/O CMOS
3.3V/3.3V
Connect to LPC device
Multiplexed Command, Address and Data.
General purpose input/output [0..3]
LPC_FRAME#
GPIO5
190
I/O CMOS
3.3V/3.3V
Connect to LPC device
LPC frame indicates the start of a new cycle or the termination of a broken cycle.
General purpose input/output 5.
LPC_LDRQ#
GPIO7
192
I/O CMOS
3.3V/3.3V
NC
LPC DMA request.
General purpose input/output 7.
LPC_CLK
GPIO4
189
I/O CMOS
3.3V/3.3V
Connect to LPC device
LPC clock.
General purpose input/output 4.
SERIRQ
GPIO6
191
I/O CMOS
3.3V/3.3V
Connect to LPC device
Serialized Interrupt.
General purpose input/output 6.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT700
Carrier Board
Description
SPI_MOSI
199
O CMOS
3.3V/3.3V
Connect a series resistor to Carrier Board SPI Device SI pin
Master serial output/Slave serial input signal. SPI serial output data from Qseven module to the SPI device.
SPI_MISO
201
I CMOS
3.3V/3.3V
Connect a series resistor to Carrier Board SPI Device SO pin
Master serial input/Slave serial output signal. SPI serial input data from the SPI device to Qseven module.
SPI_SCK
203
O CMOS
3.3V/3.3V
Connect a series resistor to Carrier Board SPI Device SCK pin
SPI clock output.
SPI_CS0#
200
O CMOS
3.3V/3.3V
Connect a series resistor to Carrier Board SPI Device CS# pin
SPI chip select 0 output.
SPI_CS1#
202
O CMOS
3.3V/3.3V
NC
SPI Chip Select 1 signal is used as the second chip select when two devices are used. Do not use when only one SPI device is used.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT700
Carrier Board
Description
CAN0_TX
129
O CMOS
3.3V/3.3V
NC
CAN (Controller Area Network) TX output for CAN Bus channel 0.
In order to connect a CAN controller device to the Qseven module's CAN bus it is necessary to add transceiver hardware to the carrier board.
CAN0_RX
130
I CMOS
3.3V/3.3V
NC
RX input for CAN Bus channel 0. In order to connect a CAN controller device to the Qseven module's CAN bus it is necessary to add transceiver hardware to the carrier
board.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT700
Carrier Board
Description
PWGIN
26
I CMOS
5V/5V
PU 10K to 5V
High active input for the Qseven® module indicates that all power rails located on the carrier board are ready for use.
PWRBTN#
20
I CMOS
3.3V Standby
PU 10K to 3.3V Suspend
Power Button: Low active power button input. This signal is triggered on the falling edge.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT700
Carrier Board
Description
RSTBTN#
28
I CMOS
3.3V/3.3V
PU 10K to 3.3V
Reset button input. This input may be driven active low by an external circuitry to reset the Qseven module.
BATLOW#
27
I CMOS
3.3V Suspend/3.3V
PU 10K to 3.3V Suspend
Battery low input. This signal may be driven active low by external circuitry to signal that the system battery is low or may be used to signal some other external
battery management event.
WAKE#
17
I CMOS
3.3V Suspend/3.3V
PU 10K to 3.3V Suspend
External system wake event. This may be driven active low by external circuitry to signal an external wake-up event.
SUS_STAT#
19
O CMOS
3.3V Suspend/3.3V
PU 10K to 3.3V Suspend
Suspend Status: indicates that the system will be entering a low power state soon.
SUS_S3#
18
O CMOS
3.3V Suspend/3.3V
S3 State: This signal shuts off power to all runtime system components that are not maintained during S3 (Suspend to Ram), S4 or S5 states.
The signal SUS_S3# is necessary in order to support the optional S3 cold power state.
SUS_S5#
16
O CMOS
3.3V Suspend/3.3V
S5 State: This signal indicates S4 or S5 (Soft Off) state.
SLP_BTN#
21
I CMOS
3.3V Suspend/3.3V
PU 10K to 3.3V Suspend
Sleep button. Low active signal used by the ACPI operating system to transition the system into sleep state or to wake it up again. This signal is triggered on falling
edge.
LID_BTN#
22
I CMOS
3.3V Suspend/3.3V
PU 10K to 3.3V Suspend
LID button. Low active signal used by the ACPI operating system to detect a LID switch and to bring system into sleep state or to wake it up again.
Open/Close state may be software configurable.
Signal
Pin#
Pin Type
Pwr Rail /Tolerance
BT700
Carrier Board
Description
WDTRIG#
70
I CMOS
3.3V/3.3V
PU 10K to 3.3V
Watchdog trigger signal. This signal restarts the watchdog timer of the Qseven module on the falling edge of a low active pulse.
WDOUT
72
O CMOS
3.3V/3.3V
PU 10K to 3.3V
Watchdog event indicator. High active output used for signaling a missing watchdog trigger. Will be deasserted by software, system reset or a system power down.
GP0_I2C_CLK
66
I/O OD CMOS
3.3V/3.3V
PU 2.2K to 3.3V
General Purpose I²C bus #0 clock line.
GP0_I2C_DAT
68
I/O OD CMOS
3.3V/3.3V
PU 2.2K to 3.3V
General Purpose I²C bus #0 data line.
SMB_CLK
GP1_I2C_CLK
60
I/O OD CMOS
3.3V Suspend/3.3V
PU 2.2K to 3.3V Suspend
Clock line of System Management Bus.
Multiplexed with General Purpose I²C bus #1 clock line.
SMB_DAT
GP1_I2C_DAT
62
I/O OD CMOS
3.3V Suspend/3.3V
PU 2.2K to 3.3V Suspend
Data line of System Management Bus.
Multiplexed with General Purpose I²C bus #1 data line.
SMB_ALERT#
64
I/O OD CMOS
3.3V Suspend/3.3V
PU 10K to 3.3V Suspend
System Management Bus Alert input. This signal may be driven low by SMB devices to signal an event on the SM Bus.
SPKR/GP_PWM_OUT2
194
O CMOS
3.3V/3.3V
Primary functionality is output for audio enunciator, the“speaker” in PC AT systems. When not in use for this primary purpose it can be used as General Purpose PWM
Output.
BIOS_DISABLE#/BOOT_ALT#
41
I CMOS
3.3V/3.3V
PU 10K to 3.3V
Module BIOS disable input signal. Pull low to disable module's on-board BIOS.
Allows off-module BIOS implementations. This signal can also be used to disable standard boot firmware flash device and enable an alternative boot firmware source, for
example a boot loader.
RSVD
56,154,132,134,144,146
NC
NC
Do not connect
GP_1-Wire_Bus
124
I/O CMOS
3.3V/3.3V
General Purpose 1-Wire bus interface. Can be used for consumer electronics control bus (CEC) of HDMI
Power Management Signals
Miscellaneous Signals
LPC Interface Signals
SPI Interface Signals
CAN Bus Interface Signals
Power Control Signals