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28
ZETA Series
GPRS/UMTS/LTE Terminal with GPIO
»
Switch voltage is 3.3V high side switch
»
See
table 8
above
(page 27)
for maximum output current
»
Under full control of AT command/embedded application
The following command can be used to initialise and set the LED outputs:
AT#GPIO=2,1,1 (switch on Green LED)
AT#GPIO=2,0,1 (switch off Green LED)
AT#GPIO=3,1,1 (switch on Blue LED)
AT#GPIO=3,0,1 (switch off Blue LED)
The following command can be used to initialise and to set the digital input/output
functionality:
AT#GPIO=4,1,1 (switch general purpose output 3 on – Set Pin 6 GPIO function to Output)
AT#GPIO=4,0,1 (switch general purpose output 3 off – Set Pin 6 GPIO function to Input)
AT#GPIO=5,1,1 (switch general purpose output 4 on – Set Pin 4 GPIO function to Output)
AT#GPIO=5,0,1 (switch general purpose output 4 off – Set Pin 4 GPIO function to Input)
The following command can be used to initialise and to set the status of GPIO1 when set to
output:
AT#GPIO=6,1,1 (switch general purpose input/output 1 on, Pin 6 on function header)
AT#GPIO=6,0,1 (switch general purpose input/output 1 off, Pin 6 on function header)
The following command can be used to initialise and to set the status of GPIO2 when set to
output:
AT#GPIO=7,1,1 (switch general purpose input/output 2 on, Pin 4 on function header)
AT#GPIO=7,0,1 (switch general purpose input/output 2 off, Pin 4 on function header)
The following command can be used to initialise and to set the digital output functionality:
AT#GPIO=8,1,1 (switch general purpose output 1 on, Pin 2 on function header)
AT#GPIO=8,0,1 (switch general purpose output 1 off, Pin 2 on function header)
Digital Output
Digital Functions
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