ATrack AK7 - 6. AT$IOCG Command Reference; 6.1. Configure or Query I;O Pin Characteristics

Confidential Document
Page 18 of 26
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Command Description
This command is used to set or query the I/O port characteristics of the AK7. It is recommended to disconnect all I/O
connections prior to changing the I/O characteristic in order to avoid damage to the I/O port.
Syntax
Write Command
AT$IOCG=<IO1>,<IO2>,<IO3>
Response
$OK
Read Command
AT$IOCG=?
Response
$IOCG=<IO1>,<IO2>,<IO3>
Parameter Description
Parameters
Description
Data Type
Default
<IO1>
1: Input1 (VSS ,Pulse counter)
4: 1-Wire Protocol
U8
1
<IO2>
1: Input 2
2: Output 1
3: Analog Input
U8
2
<IO3>
1: Input 3 (RPM)
2: Output 2
U8
2
Example
(1) Change all ports to inputs:
AT$IOCG=1,1,1
(2) Change Input1 to 1-Wire Protocol
AT$IOCG=4,2,2
(3) Change IO1 and IO3 to inputs, and IO2 to analog input:
AT$IOCG=1,3,1
Remark
MEMO SERIAL SMS GPRS