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OLIMEX© 2015
6.4 CON1 and CON2 – GPIO connectors
The pins that haven't been used by the peripherals mounted (or that are considered "important") are
lead out to the two rows of pins CON1 and CON2 near the edges of the board. They allow the user
to attach additional hardware, check readings, perform hardware debug, etc. The "GPIO Pin#"
column shows connector number and does NOT represent the naming on the bottom of the board.
Please note that pin holes 15-20 are not present. They are left to keep the 0.1'' step free space for
perfect breadboard fit.
GPIO
Signal name
Pin#
1
BAT
2
GND
3
3.3V
4
PIN1/LCD_D00
5
PIN2/LCD_D01
6
PIN3/LCD_D02
7
PIN4/LCD_D03
8
PIN5/LCD_D04
9
PIN6/LCD_D05
10
PIN7/LCD_D06
11
PIN8/LCD_D07
PIN9/LCD_D08/SSP2_MIS
12
O
13
PIN10/LCD_D09
14
PIN11/LCD_D10
21
PIN12/LCD_D11
22
PIN13/LCD_D12
23
PIN14/LCD_D13
24
PIN15/LCD_D14
25
PIN16/LCD_D15
CON1 and CON2 – GPIO pinhole rows
CON1
Processor pin#
-
-
-
2
3
4
5
6
7
8
9
22
23
24
25
27
26
29
28
iMX233-OLinuXino-NANO user's manual
GPIO
Signal name
Pin#
1
+5VEXT
2
GND
3
3.3V_REG
4
PWM0/DUART_RXD
5
PWM1/DUART_TXD
6
VDAC1
7
HPL
8
HPR
9
HP_VGND
10
LIN1_INL
11
LIN1_INR
12
PIN34/MIC
13
PIN33/LRADC0
14
PIN32/LRADC1
21
PIN31
22
PIN30
23
PIN29/SOFT_SCL
24
PIN28/SOFT_SDA
25
PIN27/PWM2
Page 23 of 36
CON2
Processor pin#
-
-
-
125
126
104
113
109
111
115
114
116
108
107
82
81
34
31
91
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