MEDIATEK LinkIt Smart 7688 Developer's Manual page 12

2.2.2. Buttons
Description of how to use the buttons on the LinkIt Smart 7688 development board is provided in
Table 2.
Scenario
Reset the MPU
Reset Wi-Fi to AP
mode
Factory reset and
enter AP mode.
WARNING: This
will restore the
board to default
setting and
remove all user
data
Upgrade firmware
from a USB drive
Upgrade boot
loader from a USB
drive.
WARNING: This
will restore the
board to default
setting and
remove all user
data
Table 2 LinkIt Smart 7688 Development board buttons
2.2.3. LEDs
This section describes the functions of the LEDs available on the board.
•
Power
The Power LED displays solid green when power is supplied to the board.
•
Wi-Fi
The Wi-Fi LED is orange and displays the blink patterns described in Table 3.
Mode
AP Mode
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
MediaTek LinkIt™ Smart 7688 Developer's Guide
Button
MPU Reset Button
Wi-Fi Reset Button
Wi-Fi Reset Button
Wi-Fi Reset Button
Wi-Fi Reset Button
Status
With client device
Without client
© 2015, 2016 MediaTek Inc.
Action
With the board
booted up, press the
button once
With the board
booted up, press for
at least 5 seconds
and release
With the board
booted up, press for
at least 20 seconds
and release
While the board is
powering up, press
the button for at
least 5 seconds and
release
While the board is
powering up, press
the button for at
least 20 seconds and
release
LED blink pattern
3 blinks per second followed
by a pause for 0.5 seconds
(cycle repeats)
Off
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