Hardware installation guide
OpenVox Communication Co. Limited URL :
http://www.openvox.cn
21
480H+08H 7 6 5 4 3 2 1 0
Bit7
When press SW1, Bit7=0
When SW1 be released, Bit7=0 (default)
CN2.7-8pin GPIO
480H+04H 7 6 5 4 3 2 1 0
Bit6
Bit6=0, CN2.7 as an output port
Bit6=1, CN2.7 as an input port
480H+08H 7 6 5 4 3 2 1 0
Bit6
As output port, set Bit6=1, CN2.7 will put out High level
As output port, set Bit6=0, CN2.7 will put out Low level
As input port, feeding High level to CN2.7, automatically bit6 setting to 1
As input port, feeding Low level to CN2.7, automatically bit6 setting to 0