LISA-C2 series and FW75-C200 - System Integration Manual
UBX-13000620 - R21
Early Production Information
System description
Page 47 of 103
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General purpose output:
All the GPIOs can be configured as output to set the high or the low digital level through the AT+UGPIOW
command, setting the parameter <gpio_mode> of the AT+UGPIOC command to 0.
The “General purpose output” mode can be provided on more than one pin per time: it is possible to
simultaneously set the same mode on another pin (also on all the GPIOs).
No GPIO pin is by default configured as “General purpose output”.
The pin configured to provide the “General purpose output” function is set as:
•
Output / Low, if the parameter <gpio_out_val> of the AT+UGPIOW command is set to 0
•
Output / High, if the parameter <gpio_out_val> of the AT+UGPIOW command is set to 1
The pin can be connected on the application board to an input pin of an application processor to provide a
digital signal.
•
Pad disabled:
All the GPIOs can be configured in tri-state with an internal active pull-down enabled, as a not used pin,
setting the parameter <gpio_mode> of the AT+UGPIOC command to 255.
The “Pad disabled” mode can be provided on more than one pin per time: it is possible to simultaneously
set the same mode on another pin (also on all the GPIOs).
The pin configured to provide the “Pad disabled” function is set as
•
Tri-state with an internal active pull-down enabled
Table 24 describes the configurations of all the GPIO pins of LISA-C modules.
Pin
Module
Name
Description
Remarks
20
LISA-C
GPIO1
GPIO
By default, the pin is configured as Pad disabled.
Can be alternatively configured by the AT+UGPIOC command as
•
Output
•
Input
•
Network Status indication
21
LISA-C
GPIO2
GPIO
By default, the pin is configured to provide GPS Supply Enable function.
Can be alternatively configured by the +UGPIOC command as
•
Output
•
Input
•
Pad disabled
•
Network Status indication
23
LISA-C
GPIO3
GPIO
By default, the pin is configured to provide GPS Data Ready function.
Can be alternatively configured by the +UGPIOC command as
•
Output
•
Input
•
Pad disabled
•
Network Status indication
24
LISA-C
GPIO4
GPIO
By default, the pin is configured as Pad disabled.
Can be alternatively configured by the +UGPIOC command as
•
Output
•
Input
•
Network Status indication
51
LISA-C
GPIO5
GPIO
By default, the pin is configured as Pad disabled.
Can be alternatively configured by the +UGPIOC command as
•
Output
•
Input
•
Network Status indication
Table 24: GPIO pins
