Connection - sergev/linkit-cube-demo GitHub Wiki

The cube is connected to the Linkit Smart 7688 board, pins P10, P11, P13, P25-P30. Sensor output is attached to the pin P21.

Cube	Signal	Linkit	MRAA
P1/1	+5V	5V	---
P1/2	Y0	P10	gpio2
P1/3	Y1	P11	gpio3
P1/4	Y2	P13	gpio1
P1/5	Y3	P25	gpio6
P1/6	Y4	P26	gpio18
P1/7	SDI	P27	gpio19
P1/8	CLK	P28	gpio17
P1/9	/LE	P29	gpio16
P1/10	/OE	P30	gpio15
P1/11	EXT	P31	gpio14
P1/12	GND	GND	---
---	Sensor	P21	gpio4

Connection to the Linkit board:

            Linkit
        |              |
        |           P21|-- sensor
        |              |
        |              |
  gnd --|GND           |
        |           P25|-- y3
        |           P26|-- y4
  +5v --|5V         P27|-- sdi
   y0 --|P10        P28|-- clk
   y1 --|P11        P29|-- /le
        |           P30|-- /oe
   y2 --|P13        P31|-- ext
        ----------------

Connection to the Cube board:

       Cube
         ------
         |
    GND--|12 - Ground
    EXT--|11 - LED current control
    /OE--|10 - Output enable \
    /LE--| 9 - Latch enable  | shift registers
    CLK--| 8 - Clock         |
    SDI--| 7 - Serial data   /
    Y4 --| 6 - Lower backlight
    Y3 --| 5 - Upper backlight
    Y2 --| 4 \
    Y1 --| 3 | Layer select
    Y0 --| 2 /
    +5V--| 1 - Power
         |
         -------