MEDIATEK LinkIt Smart 7688 Developer's Manual page 22

Scenario
Downloading file to a
SD Card via Wi-Fi
Downloading a file to
a USB Drive via Wi-Fi
Downloading a file to
flash via Wi-Fi
2.3.7. Accessories
The standard LinkIt Smart 7688 Duo sales package doesn't includes accessories, you may
therefore require the accessories which are the same as LinkIt Smart 7688 and they are described
in 2.2.7, "Accessories".
2.3.8. Breakout Board
A breakout board for LinkIt Smart 7688 development boards is available from Seeed Studio. This
breakout board provides all the pin-outs from the MT7688 and ATmega32U4 which allow you to
connect sensors and peripherals easily.
2.3.9. JTAG
You can use JTAG interface to debug MT7688AN. To access JTAG interface, you will need to
unsolder resistor R95 and solder it to resistor R3 on the 7688 development board. After you've
moved the resistor and reboot the device you'll activate JTAG function. The steps are:
Find a group of resistors on the bottom side of LinkIt Smart 7688 Duo (top-right view) as
1)
circled in Figure 8.
Figure 8 JTAG resistors on LinkIt Smart 7688 Duo bottom view
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
Average
Peak
Average
Peak
Average
Peak
Average
Table 7 Peripherals Power Consumption
© 2015, 2016 MediaTek Inc.
Approximate
Power
Consumption
248.9 mA
605.4 mA
300.4 mA
616.6 mA
347.5 mA
578.5 mA
336.3 mA
Page 22