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2010
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AG
QTOPm14
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Table 26
Power and GND Signal Descriptions
Signal
Pin #
Description
I/O
PU/PD Comment
VCC
211-230
Power 5VDC ±5%.
P
VCC_5V_SB
205-206
Standby Power Supply +5VDC ±5%.
P
VCC_RTC
193
3 V backup cell input. VCC_RTC should be connected to a 3V backup cell for
RTC operation and storage register non-volatility in the absence of system
power. (VCC_RTC = 2.4 - 3.3 V).
P
GND
1, 2, 23-25, 34, 39-
40, 57-58,
73-74, 97-98,
117-118, 135-136,
141-142, 147-148,
159-160, 165-166,
183-184, 197-198
Power Ground.
P
Table 27
Power Control Signal Descriptions
Signal
Pin # Description of Power Control signals
I/O
PU/PD Comment
PWGIN
26
High active input for the Qseven
®
module indicates that power from the power supply is
ready.
I 5V
PU 10k 5V
PWRBTN# 20
Power Button: Low active power button input. This signal is triggered on the falling edge. I 3.3VSB
OD
PU 10k
3.3VSB
Table 28
Power Management Signal Descriptions
Signal
Pin #
Description of Power Management signals
I/O
PU/PD Comment
RSTBTN#
28
Reset button input. This input may be driven active low by an external circuitry to reset
the Qseven
®
module.
I 3.3V
PU 10k
3.3V
BATLOW#
27
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.
I 3.3VSB
PU 10k
3.3VSB
WAKE#
17
External system wake event. This may be driven active low by external circuitry to signal
an external wake-up event.
I 3.3VSB
PU 10k
3.3VSB
SUS_STAT#
19
Suspend Status: indicates that the system will be entering a low power state soon.
O 3.3VSB
SUS_S3#
18
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.
O 3.3VSB
SUS_S5#
16
S5 State: This signal indicates S4 or S5 (Soft Off) state.
O 3.3VSB
SLP_BTN#
21
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.
I 3.3VSB
PU 10k
3.3VSB
LID_BTN#
22
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.
I 3.3VSB
PU 10k
3.3VSB