EMX-ESG User Manual Rev A.1
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Page 15
7.2 Address and Protocol (J11)
Jumper J11 provides the configuration jumpers for the GPIO, serial port addresses and protocols and GPS as
outlined below.
The general purpose DIO pull-up/down setting is configured with two jumpers, one for pull-up (default) and the
other pull-down.
The base address for the SCH3116 is configured with two jumpers that connect pull-up/down resistors to the
DTR1 (A) and RTS1 (B) signals. These pins are read by the SCH3116 at power-up to define its base address:
DTR1 RTS1
Base address
0
0
0x162E (default)
0
1
0x164E
1
0
0x002E
1
1
0x004E
Ports 1-2
2 jumpers for RS-232/422/485 configuration (RS-232 default)
Ports 3-4
2 jumpers for RS-232/422/485 configuration (RS-232 default)
Set COM6 to either serial port F or the GPS socket.
Figure 4: Address and Protocol Jumper Block
Pin 1
