Connector pinout (I've called pin 1 as shown above - nearest the edge of the LCD frame)
Pin Function
1 Not Used
2 3.1V Supply
3 1.8V Presumably I/O supply. All I/Os run at 1.8v levels.
hopefully this pin can be set to 3V or 3.3v for 3V IO - I'll wait til I have ID'd the controller, or have an expendable display before testing this!
4 0V
5 /Reset.
6 /CS Chip select
7 /WR write strobe
8 RS Selects command/data register ( called CD in some datasheets)
9 /RD read strobe
- Data bus Colour*
10 D0 Blue 0
11 D1 Blue 1
12 D2 Blue 2
13 D3 Blue 3
14 D4 Blue 4
15 D5 Green 0
16 D6 Green 1
17 D7 Green 2
18 0V
19 D8 Green 3
20 D9 Green 4
21 D10 Green 5
22 D11 Red 0
23 D12 Red 1
24 D13 Red 2
25 D14 Red 3
26 D15 Red 4
27 0V
28 Vsync out. Goes high for 84.5us at frame rate of 47Hz
29 0V
30 Backlight -
31 Backlight + Vf is 13.7V ( 4 white LEDs in series)
32 Not used