Overview
MT7688 family integrates a 1T1R 802.11n Wi-Fi radio, a 575/580MHz MIPS® 24KEc™ CPU, 1-port fast Ethernet PHY, USB2.0 host, PCIe, SD-XC, I2S/PCM and multiple slow IOs. MT7688 provides two operation modes – IoT gateway mode and IoT device mode. In IoT gateway mode, the PCI Express interface can connect to 802.11ac chipset for 11ac dual-band concurrent gateway. The high performance USB 2.0 allows MT7688 to add 3G/LTE modem support or add a H.264 ISP for wireless IP camera. For the IoT device mode, MT7688 supports eMMC, SD-XC and USB 2.0. MT7688 can support the WiFi high quality audio via 192Kbps/24bits I2S interface and VoIP application through PCM. In IoT device mode, it further supports PWM, SPI slave, 3rd UART and more GPIOs. For IoT gateway, it can connect to touch panel and BLE, Zigbee/Z-Wave and sub-1G RF for smart home control.
Features
Embedded MIPS24KEc (575/580 MHz) with 64 KB I-Cache and 32 KB D-Cache
1T1R 2.4 GHz with 150 Mbps PHY data rate Legacy 802.11b/g and HT 802.11n modes 20/40 MHz channel bandwidth
802.11v
Space Time Block Coding (STBC)
16-bit DDR1/2 up to 128/256 Mbytes x1 USB 2.0 Host, x1 PCIe Root Complex 1-port 10/100 FE PHY
SD-XC, eMMC, I2C, PCM, I2S(192K/24bits), PWM, SPI master/slave, UART lite, JTAG, GPIO
Internet Of Thing Embedded PMU
Functional Block Diagram
Green AP/STA
Intelligent Clock Scaling (exclusive)
DDRII: ODT off, Self-refresh mode QoS: WMM, WMM-PS 16 Multiple BSSID iPA/iLNA and ePA/eLNA 24 STA-Proxy AES128/256-CBC
WEP64/128, TKIP, AES, WPA, WPA2, WAPI WPS: PBC, PIN
AP/STA Firmware: Linux 2.6.36 SDK, OpenWrt 3.10 SDK, eCOS with IPv6
