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L810-MiniPCIeHardware User Manual
Page 22 of 26
The recommended design is shown in Figure 5-3:
Figure 5-3 Recommended Design for RESET
5.6 LPG Signal
Description for LPG signal is as follows:
Pin
Pin name
I/O
Pin description
Voltage
42
LPG
O
Output signal for network status.
3.3V
Operating mode for LPG signal is as follows:
Status
Operating mode
Idle (unregistered)
Pulses with 600ms high then 600ms low.
Idle (registered)
Pulses with 75ms high then 3s low.
In voice call
Low level
In data transmission
Pulses with 75ms high then 75ms low.
Sleep (sleep mode)
High level
LPG timing is shown in Figure 5-4:
Figure 5-4 Time Sequence for LPG Signal
