Computer Computer Hardware User Manual

2-11
Hardware Setup
External circuit
330 ohm
VCC5_SB
330 ohm
VCC5_SB
PWR_LED
SUS_LED
LED1
12
LED2
1 2
POWER LED
SUSPEND LED
Digital IO Connector: J6
The J6 connects to the General-Purpose Input/Output (GPIO) peripheral module.
Power LED Circuit
External circuit
68 ohm
0.1uf
4.7K ohm
VCC3_SB
PWRBTN
100 ohm
Power Button Circuit
External circuit
Vih=3.5~5.5V
Vil=0~1.5V
Output (0~3)
Input (0~3)
74LV244A
74LV244A
VOL max=0V
VOH max=5V
IOL max=16mA
PIN SIGNAL PIN SIGNAL
1 GND 2 VCC5F
3 N_GPO3 4 N_GPO1
5 N_GPO2 6 N_GPO0
7 N_GPI3 8 N_GPI1
9 N_GPI2 10 N_GPI0
J6 Pin Definition
J6
10
2
9
1
DIO Circuit