Aplex APC-3X17B User Manual page 28

GPIO_I
N
PS2_K/
B
USB2
USB0
Pin1-3: HDD LED, They are used to connect hard disk activity LED. The LED blinks
Pin2-4: POWER LED, They are used to connect power LED. When the system is
Pin5-7: RESET Button, They are used to connect reset button. The two pins are dis-
realize
Pin6-8: POWER on/off Button, They are used to connect power switch button. The
Pin9-10: BUZZER, They are used to connect an external buzzer.
Pin11-18: GPIO IN/GPIO OUT, General-purpose input/output port, it provides a group
Pin19-24: PS2 KB/MS, PS/2 keyboard and mouse port, the port can be connected to
APC-3X17B User Manual
GPIO_IN_1 11
GPIO_IN_2 13
GPIO_IN_3 15
GPIO_IN_4 17
Ground 19
Ps2_KBDATA 21
PS2_KBCLK 23
5V_USB_23 25
USB2_N 27
USB2_P 29
Ground 31
5V_USB_01 33
USB0_N 35
USB0_P 37
Ground 39
when the hard disk is reading or writing data.
powered on or under S0/S1 state, the LED is normally on, when the system
is
under S4/S5 state, the LED is off.
connected under normal condition. You may short them temporarily to
system reset.
two pins are disconnected under normal condition. You may short them
temporarily to realize system startup & shutdown or awaken the system
from
sleep state.
of self-programming interfaces to customers for flexible use.
12 GPIO_OUT_1
14 GPIO_OUT_2
16 GPIO_OUT_3
18 GPIO_OUT_4
20 5V_S5
22 PS2_MSDATA
24 PS2_MSCLK
26 5V_USB_23
28 USB3_N
30 USB3_P
32 Ground
34 5V_USB_01
36 USB1_N
38 USB1_P
40 Ground
GPIO_OU
T
PS2_Mous
e
USB3
USB1
28