OLIMEX© 2013
A10S-OLinuXino-MICRO user's manual
at the bottom of the board for your convenience.
GPIO-2 has heavy multiplexing with NAND data lines. If you wish to use the signals you might
want to disable the NAND by cutting
#CE_NAND_E
SMT jumper. For more info please check
6.16.
GPIO-2 connector
GPIO pin# Signal name
Processor pin#
GPIO pin#
Signal name
Processor pin#
1
5V
-
2
GND
-
3
3.3V
-
4
GND
-
5
PIN4/TWI0-SCK
L20*
6
PIN39
H19
7
PIN5/TWI0-SDA
L19*
8
PIN38
G20
9
PIN6
K20*
10
PIN37/LED1
G19*
11
PIN7
A14*
12
PIN36
C19
13
PIN8
K13
14
PIN35
C20
15
PIN9
B6
16
PIN34
D19
17
PIN10/TWI1-SCK J20
18
PIN33
D20
19
PIN11/TWI1-SDA J19
20
PIN32
F19
21
PIN12/NWE
D1*
22
PIN31
E20
23
PIN13/NALE
C9
24
PIN30
F19
25
PIN14/NCLE
C2*
26
PIN29
F20
27
PIN15/NCE1
C1*
28
PIN28/NWP
A5
29
PIN16/NCE0
B2
30
PIN27/NDQ7
B5*
31
PIN17/NRE
B1*
32
PIN26/NDQ6
C5*
33
PIN18/NRB0
A1*
34
PIN25/NDQ5
D5*
35
PIN19/NRB1
A2*
36
PIN24/NDQ4
A4*
37
PIN20/NDQ0
B3*
38
PIN23/NDQ3
B4*
39
PIN21/NDQ1
A3*
40
PIN22/NDQ2
C4*
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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