Olimex Open Source Hardware Embedded ARM Linux Single board computer with dual core, dual GPU ALLWINNER A20 CORTEX-A7 A2 A20-OLinuXino-MICRO 数据表
产品代码
A20-OLinuXino-MICRO
OLIMEX© 2013
A20-OLinuXino-MICRO user's manual
6.13 GPIO-3 (General Purpose Input/Output) 10pin connector
GPIO-3 connector features the signals of AXP152 on a convenient header. The signals available
might be used to implement power controls on the board – for instance – turning off the device at
specific voltage level or detecting levels.
might be used to implement power controls on the board – for instance – turning off the device at
specific voltage level or detecting levels.
GPIO-3 connector
GPIO pin# Signal name
Processor pin#
GPIO pin#
Signal name
Processor pin#
1
5V
-
2
GND
-
3
3.3V
-
4
GND
-
5
PH0
A6
6
PB3
B14
7
PH2/LED
C6
8
PB4
A13
9
PH7
B4
10
PB5
B13
11
PH9
D4
12
PB6
A12
13
PH10
A3
14
PB7
B12
15
PH11/SDC3-DET# B3*
16
PB8/SATA-PWR-EN
A11
17
PH12
C3
18
PB10
C11
19
PH13
A2
20
PB11
C10
21
PH14
B2
22
PB12
C9
23
PH15
A1
24
PB13
B11
25
PH16
B1
26
PB14
A10
27
PH17
C1
28
PB15
B10
29
PH18
C2
30
PB16
A9
31
PH19
D1
32
PB17
B9
33
PH20
D2
34
PH24
E3
35
PH21
D3
36
PH25
E4
37
PH22
E1
38
PH26
F3
39
PH23
E2
40
PH27
F4
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).
properly on software and/or hardware level (else there would probably occur wrong levels, loss of data, etc).
6.14 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.
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 40PIN ribbon cable to connect an Olimex display and the
LCD_CON.
LCD_CON.
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