Description
The Linklt Smart 7688 development platform offers two developments boards:
- Linklt Smart 7688: MPU only. Powered by Media Tek MT7688.
- Linklt Smart 7688 Duo: MPU and MCU. Powered by Media Tek MT7688 and ATmega 32U4.
What is LinkIt Smart 7688
LinkIt Smart 7688 is a co-design product by Seeed Studio and MediaTek. It brings together the parties' knowledge in open hardware and industry leading reference designs for IoT devices to create this powerful development board.
LinkIt Smart 7688 is fully supported on the MediaTek Labs site: check out the LinkIt section and register here to download the SDK, participate in the Forums, and more.
Features
- Single input single output(1T1R) Wi-Fi 802.11 b/g/n.
- Pin-out for GPIO, I2C, I2S, SPI, UART, PWM and Ethernet Port.
- 580 MHz MIPS CPU.
- 32MB flash and 128MB DDR2 RAM.
- USB host.
- Micro SD slot.
Specification
Category | Feature | Specification |
---|---|---|
• MPU | Chipset | MT7688AN |
Core | MIPS24KEc | |
Clock speed | 580MHz | |
Working voltage | 3.3V | |
• PCB Size | Dimensions | 55.7 x 26 mm |
• Memory | Flash | 32MB |
RAM | 128MB DDR2 | |
• Power Source | USB Power | 5V (USB micro-B) |
VCC | 3.3V (Pin Breakout) | |
• GPIO | Pin Count | 22 (MT7688AN) |
Voltage | 3.3V | |
• PWM | Pin Count | 4 (MT7688AN) |
Voltage | 3.3V | |
Max. Resolution | 7 bits (customizable) | |
Maximum Frequency@Resolution | 100kHz@1-bit50kHz@2-bit 25kHz@3-bit 12.5kHz@4-bit 6.25kHz@5-bit3.125kHz@6-bit 1.5625kHz@7-bit (Standard mode) | |
40MHz@1-bit20MHz@2-bit 10MHz@3-bit 5MHz@4-bit 2.5MHz@5-bit1.25Mhz@6-bit 625kHz@7-bit (Fast mode) | ||
• External Interrupts | Pin Count | 22 (MT7688AN) |
• SPI | Set count | 1 (MT7688AN) |
Pin numbers | P22, P23,P24 (Shared with on-board flash), P25 | |
Max. Speed | 25 MHz | |
• SPI Slave | Set count | 1 (MT7688AN) |
Pin numbers | P28, P29, P30, P31 | |
Max. Speed | 25 MHz | |
• I2S | Set count | 1 (MT7688AN) |
Pin numbers | P10, P11, P12, P13 | |
• I2C | Set count | 1 |
Pin numbers | P20, P21 | |
Speed | 120K/400K | |
• UART Lite | Set count | 3 (MT7688AN) |
Pin numbers | P8, P9, P16, P17, P18, P19 | |
Max. Speed | 0.5Mbps | |
• USB Host | Set count | 1 (MT7688AN) |
Pin numbers | P6, P7 | |
Speed | Micro-AB | |
• Communication | Wi-Fi | 1T1R 802.11 b/g/n (2.4G) |
Ethernet | 1-port 10/100 FE PHY | |
Pin numbers | P2, P3, P4, P5 | |
• User Storage | SD Card | Micro SDSDXC |
Schematic Diagram
Demo
Smart WiFi Audio
It is a WiFi Audio which allows your mobile phone to connect to its WiFi and play the music in your phone. If you connect the Linklt Smart 7688 to your Router, the Audio will show the IP on the Grove RGB Backlight LCD, and also the song title.
Learn more at our Recipe.
Documents
Please visit our Wiki page for more info about this product. It will be highly appreciated if you can help improve the documents, add demo codes or tutorials. For technical support, please post your questions to our Forum.
Technical Details
Dimensions | 56mm x 26mm x 18mm |
Weight | G.W 39g |
Battery | Exclude |
Part List
LinkIt Smart 7688 | 1 |