Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 225 Ver. 1.00 – 10/29/2008
4.4. Input/Output Commands
4.4.1. $IOCFG GPIO Configuration
Command Function: This command is used to set or query the
GPIO direction setting (input or output).
Command Functional
Group Enfora Specific
Command Format Query AT$IOCFG=?
Response $IOCFG: (20 0s - 20 1s)
OK
Write Format AT$IOCFG=<mode>
Response OK
Read Format AT$IOCFG?
Response $IOCFG: <current setting>,
<configured setting>
OK
Execution Format N/A
Response N/A
Parameter Values
<mode> 0 OUTPUT
1 INPUT
* User can enter all 20 settings at once or enter just the first 8 GPIO
(GPIO 9 –20 will not be effected)