![GOWIN DK_START_GW2AR-LV18EQ144PC8I7 User Manual Download Page 12](http://html1.mh-extra.com/html/gowin/dk_start_gw2ar-lv18eq144pc8i7/dk_start_gw2ar-lv18eq144pc8i7_user-manual_2248371012.webp)
2 Development Board Description
2.3 PCB Components
DBUG405-1.0E
5(25)
2.3
PCB Components
Figure 2-3 PCB Components
Ethernet
LVDS
Key
GPIO
1.0V
GPIO
GPIO
GPIO
3.3V
OSC
LED
Switches
Reset
Mode Control
FPGA
Download
5V IN
FLASH
FPGA
GPIO
LVDS
Power
on/off
Ethernet
1.8V
2.4
System Architecture
Figure 2-4 System Architecture
4*LED
2*SWITCH
OSC
50MHz
MINI USB
5Pairs
LVDS INPUT
2*BUTTON
5Pairs
LVDS OUTPUT
2*10PIN
GPIO
2*Ethernet
FPGA USB Download
Interface
1*26PIN
GPIO
GW2AR-
LV18EQ144PC8I7
DC5V IN
MINI USB
3.3V/1.8V/1.0V
1*20PIN
GPIO