Commell LV-67Z, User Manual, Page: 23 / 35

LV-67Z User’s Manual
-22-
When using GPIO function
Press Delete to enter BIOS Setup menu
On Front Page screen, click Setup Utility
On Advanced screen, click Super IO Configuraion, then click GPIO 4
Configuration
Internal Resistance: Select output type, Push pull or Open drain
Input/Output mode: Select GPIO pin mode, Input or Output
GPIO Output Potential: GPIO output value.
As Input: TTL-level .
GPIO DC characteristics (open drain mode)
Parameter SYM MIN TYP MAX UNIT Conditions
Input Low Voltage V
IL
0.8 V
Input High Voltage V
IH
2.0 V
Output Low Voltage V
OL
0.4 V I
OL
=12mA
Input High Leakage I
LIH
+10 μ A V
IN
=3.3V
Input Low Leakage I
LIL
-10 μA V
IN
=0V
Please refer to Appendix E to program the configuration register
CN_DIO : GPIO 12-pin header (Pitch 2.00mm)
Pin Signal Pin Signal
1 GND 2 GND
3 GP40 4 GP44
5
GP41
6
GP45
7 GP42 8 GP46
9 GP43 10 GP47
11 5V 12 12V