User's Manual
Table Of Contents
- 1. Introduction
- 2. Development Environment
- 2.1. Operating Systems
- 2.2. OpenWrt Introduction
- 2.3. Network Environment
- 2.4. System Configuration
- 2.4.1. Accessing Web UI
- 2.4.2. Accessing System Console
- 2.4.3. Using SSH (Secure Socket Shell)
- 2.4.4. Using Serial to USB Cable
- 2.4.5. Upgrading Firmware
- 2.4.6. Upgrading bootloader
- 2.4.7. Wi-Fi Reset
- 2.4.8. Factory Reset
- 2.4.9. Connecting LinkIt Smart 7688 To a network with Wi-Fi Access Point
- 2.4.10. Open a system console and enter the following commands to change LinkIt Smart 7688 to station mode ( For more information on system console, please see 2.4.1 “Accessing Web UI
- 2.4.11. Viewing System Information from the Web UI
- 2.5. Accessing the USB drive and the SD card
MediaTek LinkIt™ Smart 7688 User Manual
1. Introduction
LinkIt Smart 7688 development platform is an IoT development platform by
MediaTek Labs. It enables you to design and create Wi-Fi connected devices
for the home, the office and Cloud applications.
1.1. What is MediaTek LinkIt Smart 7688 Development
Platform
The LinkIt Smart 7688 is an open development platform based on Linux
distribution OpenWrt
. It offers two development boards which come in two
hardware configurations: LinkIt Smart 7688 (MPU only) and LinkIt Smart 7688
Duo (MPU and MCU). The LinkIt Smart 7688 is powered by MediaTek’s MT7688
SOC and supports Windows, Mac OS X and Linux.
LinkIt Smart 7688 Duo has the same MPU in addition to a MCU which is
powered by ATmega32U4. It supports Arduino and high level programming
language such as Python, Node.js and C so that you can create your own
scripts for rich peripheral interactions.
The LinkIt Smart 7688 development platform supports built-in Wi-Fi,
Ethernet, USB host and Micro-SD card slot as well as serial port for Linux
console.
1.2. MediaTek MT7688AN Chip Specification Summary
Specifications of the MT7688AN SOC are shown in below.
MT7688AN SOC Specifications
CPU
MIPS24KEc (580 MHz)
Total DMIPs
580 x 1.6 DMIPs
I-Cache, D-Cache
64 KB, 32 KB
L2 Cache
N/A
Memory
• DDR1/DDR2
• 16 bits
• Max. 2 Gb, 193 MHz
SPI Flash
• 3B addr mode (max
128Mbit)
• 4B addr mode (max
512Mbit)
SD
SD-XC (class 10)
RF
1T1R 802.11n 2.4GHz
Package
DR-QFN156-12 mm x 12 mm
Interface Count
PCIe 1
USB 2.0 1
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