User manual

MediaTek LinkIt™ Smart 7688 Developer's Guide
© 2015, 2016 MediaTek Inc.
Page 24
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Category
Feature
LinkIt Smart 7688 Duo
Timer 1 & 3 (4 sets)
187.5kHz@8-bit
46.875kHz@10-bit
Timer 4 (6 sets)
ADC
Pin Count 12 (ATmega32U4)
Voltage 3.3v
External
Interrupts
Pin Count 8 (ATmega32U4)
SPI/SPIS
Set count 1 (ATmega32U4)
Pin numbers S0, S1, S2, S3
Max. Speed 4 MHz
I2C
Set Count 1
Pin numbers D2, D3
Speed 400K
UART Lite
Set Count
1 (MT7688AN)
1 (ATmega32U4)
Pin numbers
P8, P9 (MT7688AN)
D0, D1 (ATmega32U4)
Max. Speed
0.5 Mbps (MT7688AN)
0.5 Mbps (ATmega32U4)
USB Host
Set Count 1 (MT7688AN)
Pin numbers P6, P7
Connector type 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 SD
SDXC
Table 8 LinkIt Smart 7688 Duo development board specifications
2.3.11. Pin-out Diagram
This pin-out diagram helps you identify and map the pins on LinkIt Smart 7688 Duo development
board to the peripheral devices you want to attach through interfaces such as GPIO, PWM, I2C, I2S,
SPI/SPIS, UART and more. The available pins for LinkIt Smart 7688 Duo are illustrated in Figure 10.
For your convenience, this pin-out diagram is also downloadable from the MediaTek Labs website.