Xplore Technologies Corp. MC7750 Manual Do Utilizador
Product Technical Specification & Customer Design Guidelines
34
Proprietary and Confidential - Contents subject to change
2400074
WLAN_LED_N — LED output
The module drives the LED output according to [11] PCI Express Mini Card
Electromechanical Specification Revision 1.2, as described in
Electromechanical Specification Revision 1.2, as described in
(below).
If desired, LED behavior can be configured using
AT!LEDCTRL
.
Figure 4-6: Example LED
Table 4-6: LED states (Default behavior)
State
LED behavior
Description
!LEDCTRL
index
Period (s)
On
Off
Off
0
0%
100%
Module is not powered.
(W_DISABLE_N asserted with PCOFFEN=1)
(W_DISABLE_N asserted with PCOFFEN=1)
N/A
Airplane mode
2
50%
50%
Module is in low power mode.
(W_DISABLE_N asserted with PCOFFEN=0)
(W_DISABLE_N asserted with PCOFFEN=0)
4
Power up
5.2
96%
4%
Module is performing initial power up activities.
N/A
Searching
96%
4%
Module is searching service.
1
Connected
0.5
80%
20%
Module has an active context.
3
Connected, with data
transfer occuring
transfer occuring
0.5
80%
20%
Module has an active context and data is being
transferred.
transferred.
5
Error
1.6
20%
80%
Device error has occurred.
N/A
Attached
1
100%
0%
Module has attached to a network and is not
currently in a call.
currently in a call.
2
Current limiting Resistor
LED
VCC 3.3V
MIO
MiniCard