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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.
Pin #
Signal name
1
HTX2P
2
GND
3
HTX2N
4
HTX1P
5
GND
6
HTX1N
7
HTX0P
8
GND
9
HTX0N
10
HTXCP
*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.
HDMI connector
Processor pin
T23
-
T22
U23
-
U22
U23
-
U22
W23
Page 36 of 56
A20-OLinuXino-MICRO user's manual
Pin #
Signal name
11
GND
12
HTXCN
13
HCEC
14
NA*
15
HSCL
16
HSDA
17
GND
18
+5V
19
HHPD
Processor pin
-
W22
P23
NA
R23
R22
-
-
P22
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