OLIMEX© 2014
A20-OLinuXino-MICRO user's manual
LED
Color
Usage
Right
Green
Link status
Left
Yellow
Activity status
6.8 HDMI connector
The part of the schematic that describes the HDMI module is shown below:
Note that there are different Linux images depending whether the HDMI TV works at 50Hz or
60Hz refresh rate. If you board runs Android there is a specific option to set the appropriate HDMI
output.
HDMI connector
Pin #
Signal name
Processor pin
Pin #
Signal name
Processor pin
1
HTX2P
T23
11
GND
-
2
GND
-
12
HTXCN
W22
3
HTX2N
T22
13
HCEC
P23
4
HTX1P
U23
14
NA*
NA
5
GND
-
15
HSCL
R23
6
HTX1N
U22
16
HSDA
R22
7
HTX0P
U23
17
GND
-
8
GND
-
18
+5V
-
9
HTX0N
U22
19
HHPD
P22
10
HTXCP
W23
*Pin 14 of the HDMI is not mandatory. In HDMI 1.0-1.3c it is reserved pin; in HDMI 1.4+ it is
optional.
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