User manual
OLIMEX© 2015 A20-OLinuXino-LIME2 user's manual
6.10 LCD_CON 40pin connector
The LCD_CON pins are led out on a separate 40pin connecter for the ease of connecting an LCD.
We have tested the ability of the board to interact with such a display. They allow the user to attach
additional hardware, check readings or perform hardware debug.
Important: you need additional adapter board and two different 40PIN ribbon cables to connect an
Olimex display and the LCD_CON.
The LCD connector is suitable for a number of Olimex displays and touchscreen panels with
different native resolution – the smallest available is the 4.3'' one called LCD-OLinuXino-4.3TS
with native screen resolution of 480×272, through the 7'' one named LCD-OlinuXino-7TS with
800×480, to the 1024×600 10.1'' LCD-OLinuXino-10TS.
Full list of recommended displays for the board might be found in chapter “2.7 Connecting and
calibrating a display”.
Please note that the smallest display (4.3'', 480×272) is not suitable for the official Android images
we provide.
LCD_CON connector
GPIO pin# Signal name Processor pin GPIO pin# Signal name Processor pin
1 +5V -POWER CIRCUIT- 2 GND -POWER CIRCUIT-
3 +3.3V -POWER CIRCUIT- 4 GND -POWER CIRCUIT-
5 LCD_D16 Y12 6 LCD_D17 AA12
7 LCD_D18 Y11 8 LCD_D19 AA11
9 LCD_D20 Y10 10 LCD_D21 AA20
11 LCD_D22 AB12 12 LCD_D23 AC10
13 LCD_D8 AB11 14 LCD_D9 AC11
15 LCD_D10 Y15 16 LCD_D11 AA15
17 LCD_D12 Y14 18 LCD_D13 AA14
19 LCD_D14 Y13 20 LCD_D15 AA13
21 LCD_D0 AB15 22 LCD_D1 AC15
23 LCD_D2 AB14 24 LCD_D3 AC14
25 LCD_D4 AB13 26 LCD_D5 AC13
27 LCD_D6 AB12 28 LCD_D7 AC12
29 LCD_HSYNC AB9 30 LCD_VSYNC AC9
31 LCD_CLK Y9 32 LCD_DE AA9
33 PB3 B14 34 PB4 A13
35 LCD_PWR C4 36 PB2/PWM0 A14*
37 TPX1 Y22 38 TPX2 AA22
39 TPY1 Y23 40 TPY2 AA23
Signals marked with * are multiplexed with either a peripheral device or another connector. Ensure that the multiplexing is handled
properly on software and/or hardware level (else there would probably occur wrong levels, loss of data, etc).
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