4116298
Rev 7.0
November 07, 2016
17
Product Technical Specification and
User Guide
Interfaces/Peripherals
The SIM uses five SIM signals, namely:
SIM-VCC, which is the SIM power supply
SIM-RST, which is reset
SIM-CLK, is clock
SIM-IO, as the I/O port
SIM-DET, for SIM detection
Refer to the following table for the electrical characteristics of the SIM interface.
Table 4.
SIM Interface Electrical Characteristics
Parameter
Minimum
Typical
Maximum
Remarks
SIM Interface Voltage (V)
(VCC,CLK,IO,RST)
2.7
3.0
3.15
The appropriate output
voltage is auto-detected
and selected by software.
1.65
1.80
1.95
SIM-DET
1.33
1.80
2.10
High active
SIM-VCC Current (mA)
-
-
10
In sleep mode Max output
current = 3mA
SIM-VCC Line Regulation (mV/V)
-
-
50
At Iout_Max
SIM-VCC Power-up Setting Time
from power down (us)
-
10
-
2.1.2.
Flash LED
The GL8200 has an LED indicator to show the status of the GSM network.
Table 5.
LED Status
Modem State
LED Status
Modem Status
ON
Permanently lighted
The modem is powered ON, but not
registered in the network.
Slow flash (LED is switched ON for 200ms,
OFF for 2s)
The modem is powered ON, and registered
in the network.
Quick flash (LED is switched ON for 200ms,
OFF for 600ms)
The modem powered ON, registered on the
network, and communication is in progress.
OFF
OFF
The modem is either switched OFF or the
FLASH-LED has been disabled by the user.
The Flash LED can be
deactivated by the AT command
AT+KSYNC=0
activated by the AT command
AT+KSYNC=2,4
For more information about AT commands applicable to the GL8200, please refer to the commands
marked as supported by HL8548x in document [2] AirPrime HL6 and HL8 Series AT Commands
Interface Guide.
Содержание AirLink GL8200
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