III
图表目录
表 1 MT7688AN 芯片规格 ······················································································· 5
表 2 LinkIt Smart 7688 开发板的按钮 ·········································································· 7
表 3 LinkIt Smart 7688 的 Wi-Fi LED 闪烁模式 ······························································ 7
表 4 各种情景下的典型功耗 ···················································································· 9
表 5 LinkIt Smart 7688 开发板规格参数 ······································································12
表 6 LinkIt Smart 7688 开发板的按钮 ·········································································15
表 7 典型功耗 ····································································································16
表 8 LinkIt Smart 7688 Duo 开发板规格参数 ································································19
表 9 LinkIt Smart 7688 程序设计环境概览 ···································································23
表 10 操作系统支持 ·····························································································30
表 11 Linkle Smart 7688 开发平台内含的软件包 ···························································31
表 12 Web UI 和系统控制台的配置功能 ·····································································33
表 13 LinkIt Smart 7688 UART 引脚 ···········································································38
表 14 Wi-Fi 热点加密方式 ······················································································46
表 15 文件传输工具 ·····························································································48
表 16 LinkIt Smart 7688 GPIO 引脚映射 ······································································55
表 17 MCU 和 MPU 通讯接口 ·················································································70
表 18 MPU 和 MCU 的串口引脚···············································································73
图 1 LinkIt Smart 7688 开发板（仅 MPU） ··································································· 6
图 2 拆除电阻才能使用 I-PEX 接口 ··········································································· 8
图 3 USB OTG 线 ·································································································· 9
图 4 LinkIt Smart 7688 开发板背面的 JTAG 电阻···························································10
图 5 移动电阻以范围 JTAG 模式 ·············································································10
图 6 LinkIt Smart 7688 引脚图 ··················································································13
图 7 LinkIt Smart 7688 Duo 开发板（MPU+MCU） ·······················································14
图 8 LinkIt Smart 7688 Duo 开发板背面的 JTAG 电阻 ·····················································17
图 9 移动电阻以范围 JTAG 模式 ·············································································17
图 10 LinkIt Smart 7688 Duo 引脚图 ··········································································20
图 11 LinkIt Smart 7688 开发平台的程序设计模型 ·························································23
图 12 LinkIt Smart 7688 运行在 AP 模式 ·····································································24
图 13 LinkIt Smart 7688 运行在 STA 模式····································································25
图 14 连接 Linkle Smart 7688 开发板和计算机 ·····························································33
图 15 Wi-Fi LED 状态····························································································34
图 16 连接到 LinkIt_Smart_7688 AP ··········································································34
图 17 LinkIt Smart 7688 工作在 AP 模式 ·····································································35
图 18 LinkIt Smart 7688 Web UI 登录 ·········································································35
图 19 使用 Windows PuTTY 的 SSH ··········································································36
图 20 PuTTY 安全警告 ··························································································37
图 21 系统控制台 ································································································37
图 22 使用 USB 转串口线的 LinkIt Smart 7688 端口号 ···················································38
图 23 使用 USB 转串口线和 Windows 终端访问系统控制台 ············································39
图 24 固件升级按钮 ·····························································································41
