User's Manual
Appendix
A:
I/O
Address
Function
A
PPENDIX
A:
I/O
A
DDRESS
F
UNCTION
GPIO
LED
/
UMTS
LED
/
Ignition
Status
I/O
port
:
0EE0H
Capacity
of
NEXCOM
battery
(8
bits)
I/O
port
:
0EE1H
Voltage
of
NEXCOM
battery
(8
bits)
I/O
port
:
0EE2H
Copyright
©
2009
NEXCOM
International
Co.,
Ltd.
All
Rights
Reserved.
59
VTC
6110
User
Manual
Bit
Function
Description
Bit
0
GPIO
LED
0:
OFF
(default)
1:
ON
Bit
1
UMTS
LED
0:
LED
for
WLAN
(default)
1:
LED
for
3.5G
and
WLAN
Bit
2
Ignition
(read
only)
0:
OFF
1:
ON
Bit
3
Status
of
Vehicle
Battery
0:
Vehicle
Battery
is
OK
1:
Vehicle
Battery
is
Low
Voltage
Bit0
Bit1
Bit2
Bit3
Bit4
Bit5
Bit6
Bit7
Description
8
bits
data
(Bit
7
is
highest
bit
of
data)
Bit0
Bit1
Bit2
Bit3
Bit4
Bit5
Bit6
Bit7
Description
8
bits
data
(Bit
7
is
highest
bit
of
data)