User manual

MediaTek LinkIt™ Smart 7688 Developer's Guide
© 2015, 2016 MediaTek Inc.
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Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Lists of tables and figures
Table 1 MT7688AN SOC Specification ............................................................................................................................. 10
Table 2 LinkIt Smart 7688 Development board buttons ....................................................................................... 12
Table 3 Wi-Fi LED blink pattern in LinkIt Smart 7688 HDK ................................................................................... 13
Table 4 Typical power consumption scenarios .......................................................................................................... 14
Table 5 LinkIt Smart 7688 development boards specifications..........................................................................17
Table 6 LinkIt Smart 7688 Duo Development board buttons ............................................................................. 21
Table 7 Peripherals Power Consumption ..................................................................................................................... 22
Table 8 LinkIt Smart 7688 Duo development board specifications ................................................................ 24
Table 9 LinkIt Smart 7688 Programming Environment Overview................................................................... 28
Table 10 OS Capabilities ....................................................................................................................................................... 34
Table 11 Packaged included in the LinkIt Smart 7688 development platform ........................................... 35
Table 12 Configuration functions of the Web UI and System console ........................................................... 36
Table 13 USB and LinkIt Smart 7688 UART Pin Mapping ....................................................................................... 42
Table 14 Wi-Fi AP Encryption Type ................................................................................................................................... 51
Table 15 File Transfer Tools ................................................................................................................................................ 53
Table 16 LinkIt Smart 7688 GPIO Pin Mapping ........................................................................................................... 60
Table 17 MCU and MPU Communication ....................................................................................................................... 76
Table 18 Serial Pin Mapping Between MPU and MCU ............................................................................................. 78
Figure 1 LinkIt Smart 7688 development board (MPU only) .................................................................................. 11
Figure 2 Removing resistor to enable I-PEX connector ......................................................................................... 13
Figure 3 USB OTG cable ......................................................................................................................................................... 14
Figure 4 JTAG resistors on the bottom of the LinkIt Smart 7688 ...................................................................... 15
Figure 5 Moving a resistor to access JTAG mode ...................................................................................................... 15
Figure 6 LinkIt Smart 7688 Pin-out Diagram ............................................................................................................... 18
Figure 7 LinkIt Smart 7688 Duo development board (MPU + MCU) ................................................................. 20
Figure 8 JTAG resistors on LinkIt Smart 7688 Duo bottom view ...................................................................... 22
Figure 9 Moving a resistor to access JTAG mode ..................................................................................................... 23
Figure 10 LinkIt Smart 7688 Duo Pin-out Diagram .................................................................................................. 25
Figure 11 Programming models for the LinkIt Smart 7688 development platform ................................. 28
Figure 12 LinkIt Smart 7688 in AP Mode ........................................................................................................................ 29
Figure 13 LinkIt Smart 7688 in Station Mode .............................................................................................................. 30
Figure 14 Connecting LinkIt Smart development board to a computer ......................................................... 37
Figure 15 Wi-Fi LED Status .................................................................................................................................................. 38
Figure 16 Connecting to LinkIt Smart 7688 AP .......................................................................................................... 38
Figure 17 LinkIt Smart 7688 in AP mode........................................................................................................................ 39
Figure 18 LinkIt Smart 7688 Web UI Sign In ................................................................................................................. 39
Figure 19 Using SSH in Windows PuTTY ........................................................................................................................ 40
Figure 20 PuTTY Security Warning .................................................................................................................................. 41