Solvline Eddy DKV2.1.0.3 - Manual (Page 29)

Chapter 3. Development
Environment
29
2
RS422(RX enabled)
RS485 echo-mode
RS485 non echo-mode
3
RS422 Termination Resistor
not connected
RS422 Termination Resistor
Connected
4
RS485 Termination Resistor
not connected
RS422 Termination Resistor
Connected
S9
Port#4
1 RS485 Half-Duplex mode RS422 Full-Duplex mode
2
RS422(RX enabled)
RS485 echo-mode
RS485 non echo-mode
3
RS422 Termination Resistor
not connected
RS422 Termination Resistor
Connected
4
RS485 Termination Resistor
not connected
RS422 Termination Resistor
Connected
2.4.2.6. SW1~SW16: Key Pad
Key Pad of DK board are consisted with the 4x4 matrix. GPIOs are set to Input mode to read the Key
value. and Key 2, 4, 6, 8 also have the ▲(UP), ▼(DN), ◀(LEFT), ▶(RIGHT) direction function for
LCD menu.
P10-P17 4x4 Key matrix I/O
PB20 First Row line IN
PB21 Second Row line IN
PB30 Third Row line IN
PB31 Forth Row line IN
PC20 First Column line from left IN
PC21 Second Column line from left IN
PC22 Third Column line from left IN
PC23 Fourth Column line from left IN
2.4.2.7. SW17: Power
In order to power up, pull up this switch.