Buttons - 96Boards WinLink E850 Hardware User Manual

Buttons

The WinLink E850 Development Board presents four buttons. They are Power key, VOL up key, VOL down key and Reset key.
The power ON/OFF and RESET signals are also routed to the Low Speed Expansion connector.
Power Button
The push-button SW2 serves as the power-on/sleep button. Upon applying power to
the board, press the power button for more than 3 seconds, the board will boot up.
Once the board is running you can turn power-off by pressing the power button for
more than 3 seconds. If the board is in a sleep mode, pressing the power bottom will
wake up the board. Oppositely, if the board is in an active mode, pressing the power
bottom will change the board into sleep mode.
Volume up/down
The Volume UP button(SW4) and Volume Down button(SW5) can be used to control
the output speaker volume of the WinLink E850 Development Board.
Reset Button
DIP-switch
There is a four-channel dip-switch(SW1) on the board.(Default position is "OFF".)
The Table below is for boot mode.
WinLink
The push-button SW3 serves as the hardware reset button.
Press the button, the system will be rebooted
SW1:3
XOM[2]
off
0
0
0
E850-96Board
SW1:2 SW1:1
XOM[1] XOM[0]
off off
0 1
1 0
1 1
3'b100~3'b111
Development Board Hardware User Guide
First Boot Device
st nd
1 : eMMC, 2 : USB
st
1 : USB
Reserved
st
1 : eMMC(on board memory)
Reserved
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