<s>
Mobile	B-Protocol
High-Definition	I-Protocol
Link	I-Protocol
(	O
MHL	B-Protocol
)	O
is	O
an	O
industry	O
standard	O
for	O
a	O
mobile	O
audio/video	O
interface	O
that	O
allows	O
the	O
connection	O
of	O
smartphones	B-Application
,	O
tablets	O
,	O
and	O
other	O
portable	O
consumer	O
electronics	O
devices	O
to	O
high-definition	B-Device
televisions	I-Device
(	O
HDTVs	B-Device
)	O
,	O
audio	O
receivers	O
,	O
and	O
projectors	O
.	O
</s>
<s>
MHL	B-Protocol
connects	O
to	O
display	O
devices	O
either	O
directly	O
through	O
special	O
HDMI	B-Protocol
inputs	O
that	O
are	O
MHL-enabled	O
,	O
or	O
indirectly	O
through	O
standard	O
HDMI	B-Protocol
inputs	O
using	O
MHL-to-HDMI	O
adapters	O
.	O
</s>
<s>
MHL	B-Protocol
was	O
developed	O
by	O
a	O
consortium	B-Application
of	O
five	O
companies	O
:	O
Nokia	O
,	O
Samsung	B-Application
,	O
Silicon	O
Image	O
,	O
Sony	O
and	O
Toshiba	O
.	O
</s>
<s>
Silicon	O
Image	O
,	O
one	O
of	O
the	O
founding	O
companies	O
of	O
the	O
HDMI	B-Protocol
standard	O
,	O
originally	O
demonstrated	O
a	O
mobile	O
interconnect	B-General_Concept
at	O
the	O
January	O
2008	O
Consumer	O
Electronics	O
Show	O
(	O
CES	O
)	O
,	O
based	O
on	O
its	O
transition-minimized	B-Protocol
differential	I-Protocol
signaling	I-Protocol
(	O
TMDS	B-Protocol
)	O
technology	O
.	O
</s>
<s>
This	O
interface	O
was	O
termed	O
"	O
Mobile	O
High	O
Definition	O
Link	O
"	O
at	O
the	O
time	O
of	O
the	O
demonstration	O
,	O
and	O
is	O
a	O
direct	O
precursor	O
of	O
the	O
implementation	O
announced	O
by	O
the	O
MHL	B-Protocol
Consortium	B-Application
.	O
</s>
<s>
The	O
working	O
group	O
was	O
announced	O
in	O
September	O
2009	O
,	O
and	O
the	O
MHL	B-Protocol
Consortium	B-Application
founded	O
in	O
April	O
2010	O
by	O
Nokia	O
,	O
Samsung	B-Application
,	O
Silicon	O
Image	O
,	O
Sony	O
and	O
Toshiba	O
.	O
</s>
<s>
The	O
MHL	B-Protocol
specification	O
version	O
1.0	O
was	O
released	O
in	O
June	O
2010	O
,	O
and	O
the	O
Compliance	O
Test	O
Specification	O
(	O
CTS	O
)	O
was	O
released	O
in	O
December	O
2010	O
.	O
</s>
<s>
May	O
2011	O
marked	O
the	O
first	O
retail	O
availability	O
of	O
MHL-enabled	O
products	O
.	O
</s>
<s>
The	O
first	O
mobile	O
device	O
to	O
feature	O
the	O
MHL	B-Protocol
standard	O
was	O
the	O
Samsung	B-Application
Galaxy	I-Application
S	I-Application
II	I-Application
,	O
announced	O
at	O
the	O
2011	O
Mobile	O
World	O
Congress	O
.	O
</s>
<s>
MHL	B-Protocol
announced	O
in	O
2014	O
that	O
more	O
than	O
half	O
a	O
billion	O
MHL-capable	O
products	O
had	O
been	O
shipped	O
since	O
the	O
standard	O
was	O
created	O
.	O
</s>
<s>
MHL	B-Protocol
is	O
an	O
adaptation	O
of	O
HDMI	B-Protocol
intended	O
for	O
mobile	O
devices	O
such	O
as	O
smartphones	B-Application
and	O
tablets	O
.	O
</s>
<s>
Unlike	O
DVI	B-Application
,	O
which	O
is	O
compatible	O
with	O
HDMI	B-Protocol
using	O
only	O
passive	O
cables	O
and	O
adapters	O
,	O
MHL	B-Protocol
requires	O
that	O
the	O
HDMI	B-Protocol
socket	O
be	O
MHL-enabled	O
.	O
</s>
<s>
(	O
To	O
deliver	O
an	O
MHL	B-Protocol
signal	O
to	O
a	O
non-MHL	O
HDMI	B-Protocol
socket	O
,	O
one	O
can	O
use	O
an	O
adapter	O
device	O
that	O
receives	O
the	O
signal	O
on	O
an	O
MHL-enabled	O
socket	O
,	O
converts	O
it	O
to	O
HDMI	B-Protocol
,	O
and	O
transmits	O
the	O
HDMI	B-Protocol
signal	O
to	O
the	O
non-MHL	O
socket	O
)	O
.	O
</s>
<s>
It	O
has	O
several	O
aspects	O
in	O
common	O
with	O
HDMI	B-Protocol
,	O
such	O
as	O
the	O
ability	O
to	O
carry	O
uncompressed	B-Device
HDCP	B-Protocol
encrypted	O
high-definition	O
video	O
,	O
eight-channel	O
surround	O
sound	O
,	O
and	O
control	O
remote	O
devices	O
with	O
Consumer	O
Electronics	O
Control	O
(	O
CEC	O
)	O
.	O
</s>
<s>
There	O
are	O
a	O
total	O
of	O
five	O
pins	O
used	O
in	O
MHL	B-Protocol
rather	O
than	O
the	O
19	O
used	O
in	O
HDMI	B-Protocol
,	O
namely	O
:	O
a	O
differential	O
pair	O
for	O
data	O
,	O
a	O
bi-directional	O
control	O
channel	O
(	O
CBUS	O
)	O
,	O
power	O
charging	O
supply	O
,	O
and	O
ground	O
.	O
</s>
<s>
This	O
permits	O
a	O
much	O
lighter	O
cable	O
and	O
a	O
much	O
smaller	O
connector	O
on	O
the	O
mobile	O
device	O
,	O
as	O
a	O
typical	O
MHL	B-Protocol
source	O
will	O
be	O
shared	O
with	O
USB	O
2.0	O
on	O
a	O
standard	O
5-pin	O
Micro-USB	O
receptacle	O
.	O
</s>
<s>
(	O
Although	O
MHL	B-Protocol
ports	O
can	O
be	O
dedicated	O
to	O
MHL	B-Protocol
alone	O
,	O
the	O
standard	O
is	O
designed	O
to	O
permit	O
port	O
sharing	O
with	O
the	O
most	O
commonly	O
used	O
ports	O
.	O
)	O
</s>
<s>
The	O
USB	O
port	O
switches	O
from	O
USB	O
to	O
MHL	B-Protocol
when	O
it	O
recognizes	O
an	O
MHL-qualified	O
sink	O
(	O
e.g.	O
,	O
a	O
TV	O
)	O
detected	O
on	O
the	O
control	O
wire	O
.	O
</s>
<s>
A	O
typical	O
MHL	B-Protocol
sink	O
will	O
be	O
shared	O
with	O
HDMI	B-Protocol
on	O
a	O
standard	O
19-pin	O
HDMI	B-Protocol
receptacle	O
.	O
</s>
<s>
Because	O
the	O
same	O
five-pin	O
Micro-USB	O
port	O
is	O
also	O
typically	O
used	O
for	O
charging	O
the	O
device	O
,	O
the	O
sink	O
is	O
required	O
to	O
provide	O
power	O
to	O
maintain	O
the	O
state	O
of	O
charge	O
(	O
or	O
even	O
recharge	O
)	O
while	O
it	O
is	O
being	O
used	O
(	O
although	O
this	O
is	O
dependent	O
on	O
the	O
power	O
available	O
being	O
sufficient	O
e.g.	O
,	O
MHL	B-Protocol
2	O
&	O
3	O
provide	O
a	O
minimum	O
of	O
4.5W	O
/	O
900mA	O
,	O
while	O
superMHL	O
can	O
provide	O
up	O
to	O
40W	O
)	O
.	O
</s>
<s>
The	O
use	O
of	O
the	O
power	O
line	O
in	O
this	O
way	O
differs	O
from	O
HDMI	B-Protocol
,	O
which	O
expects	O
the	O
source	O
to	O
provide	O
55mA	O
for	O
the	O
purpose	O
of	O
reading	O
the	O
EDID	B-General_Concept
of	O
a	O
display	O
.	O
</s>
<s>
Because	O
of	O
to	O
the	O
low	O
pin	O
count	O
of	O
MHL	B-Protocol
versus	O
HDMI	B-Protocol
,	O
the	O
functions	O
that	O
are	O
carried	O
on	O
separate	O
dedicated	O
pins	O
on	O
HDMI	B-Protocol
,	O
namely	O
:	O
the	O
Display	O
Data	O
Channel	O
(	O
DDC	O
)	O
(	O
pins	O
15	O
&	O
16	O
)	O
and	O
CEC	O
(	O
pin	O
13	O
)	O
are	O
instead	O
carried	O
on	O
the	O
bi-directional	O
control	O
bus	O
(	O
CBUS	O
)	O
.	O
</s>
<s>
The	O
CBUS	O
both	O
emulates	O
the	O
function	O
of	O
the	O
DDC	O
bus	O
and	O
also	O
carries	O
an	O
MHL	B-Protocol
sideband	O
channel	O
(	O
MSC	O
)	O
,	O
which	O
emulates	O
the	O
CEC	O
bus	O
function	O
,	O
and	O
allows	O
a	O
TV	O
remote	O
to	O
control	O
the	O
media	O
player	O
on	O
a	O
phone	O
with	O
its	O
Remote	B-Protocol
Control	I-Protocol
Protocol	O
(	O
RCP	O
)	O
.	O
</s>
<s>
MHL	B-Protocol
uses	O
the	O
same	O
Transition-minimized	B-Protocol
differential	I-Protocol
signaling	I-Protocol
(	O
TMDS	B-Protocol
)	O
as	O
HDMI	B-Protocol
to	O
carry	O
video	O
,	O
audio	O
,	O
and	O
auxiliary	O
data	O
.	O
</s>
<s>
However	O
,	O
MHL	B-Protocol
differs	O
from	O
HDMI	B-Protocol
in	O
that	O
there	O
is	O
only	O
one	O
differential	O
pair	O
to	O
carry	O
the	O
TMDS	B-Protocol
data	O
lane	O
,	O
compared	O
to	O
HDMI	B-Protocol
's	O
four	O
(	O
three	O
data	O
lanes	O
,	O
plus	O
the	O
clock	O
)	O
.	O
</s>
<s>
Therefore	O
these	O
three	O
logical	O
data	O
channels	O
are	O
instead	O
time-division	B-Protocol
multiplexed	I-Protocol
into	O
the	O
single	O
physical	O
MHL	B-Protocol
data	O
lane	O
(	O
i.e.	O
,	O
with	O
the	O
logical	O
channels	O
sent	O
sequentially	O
)	O
,	O
and	O
the	O
clock	O
signal	O
carried	O
as	O
a	O
common	O
mode	O
signal	O
of	O
this	O
pair	O
.	O
</s>
<s>
From	O
MHL	B-Protocol
3	O
onwards	O
,	O
the	O
method	O
for	O
carrying	O
the	O
clock	O
signal	O
changed	O
to	O
being	O
carried	O
separately	O
on	O
the	O
MHL	B-Protocol
CBUS	O
pin	O
instead	O
.	O
</s>
<s>
The	O
normal	O
(	O
24	O
bit	O
)	O
mode	O
operates	O
at	O
2.25	O
Gbit/s	O
,	O
and	O
multiplexes	O
the	O
same	O
three	O
channel	O
,	O
24	O
bit	O
color	O
signal	O
as	O
HDMI	B-Protocol
,	O
at	O
a	O
pixel	O
clock	O
rate	O
of	O
up	O
to	O
75MHz	O
,	O
sufficient	O
for	O
1080i	O
and	O
720p	O
at	O
60	O
Hz	O
.	O
</s>
<s>
One	O
period	O
of	O
the	O
MHL	B-Protocol
clock	O
equals	O
one	O
period	O
of	O
the	O
pixel	O
clock	O
,	O
and	O
each	O
period	O
of	O
the	O
MHL	B-Protocol
clock	O
transmits	O
three	O
10-bit	O
TMDS	B-Protocol
characters	O
(	O
i.e.	O
,	O
a	O
24-bit	O
pixel	O
,	O
where	O
each	O
10-bit	O
TMDS	B-Protocol
character	O
represents	O
an	O
encoded	O
byte	O
–	O
8-bits	O
)	O
.	O
</s>
<s>
MHL	B-Protocol
can	O
also	O
operate	O
in	O
PackedPixel	O
mode	O
at	O
3	O
Gbit/s	O
,	O
catering	O
for	O
1080p	O
,	O
in	O
this	O
case	O
only	O
two	O
channels	O
are	O
multiplexed	O
,	O
as	O
the	O
color	O
signal	O
is	O
changed	O
to	O
a	O
chroma	O
subsampled	O
(	O
YCbCr	O
4:2:2	O
)	O
pair	O
of	O
adjacent	O
16-bit	O
pixels	O
(	O
i.e.	O
,	O
where	O
two	O
adjacent	O
pixels	O
share	O
chroma	O
values	O
and	O
are	O
represented	O
with	O
only	O
36-bits	O
)	O
,	O
and	O
the	O
pixel	O
clock	O
is	O
doubled	O
to	O
150MHz	O
.	O
</s>
<s>
In	O
this	O
mode	O
,	O
one	O
clock	O
period	O
of	O
the	O
MHL	B-Protocol
clock	O
now	O
equals	O
two	O
periods	O
of	O
the	O
pixel	O
clock	O
,	O
so	O
each	O
period	O
of	O
the	O
MHL	B-Protocol
clock	O
transmits	O
twice	O
the	O
number	O
of	O
channels	O
i.e.	O
,	O
four	O
10-bit	O
TMDS	B-Protocol
characters	O
(	O
a	O
pair	O
of	O
16-bit	O
pixels	O
)	O
.	O
</s>
<s>
Version	O
3	O
of	O
MHL	B-Protocol
changed	O
from	O
being	O
frame-based	O
to	O
a	O
packet-based	O
technology	O
,	O
and	O
operates	O
at	O
6	O
Gbit/s	O
.	O
</s>
<s>
All	O
MHL	B-Protocol
specifications	O
are	O
backward	O
compatible	O
to	O
previous	O
versions	O
of	O
the	O
standard	O
.	O
</s>
<s>
MHL	B-Protocol
is	O
connection	O
agnostic	O
(	O
i.e.	O
,	O
not	O
tied	O
to	O
a	O
specific	O
type	O
of	O
hardware	O
connector	O
)	O
.	O
</s>
<s>
The	O
first	O
implementations	O
used	O
the	O
5-pin	O
MHL-USB	O
connector	O
described	O
below	O
,	O
and	O
all	O
are	O
supported	O
over	O
USB	O
Type-C	O
MHL	B-Protocol
Alternate	O
Mode	O
.	O
</s>
<s>
Version	O
1.0	O
was	O
introduced	O
in	O
June	O
2010	O
,	O
supporting	O
uncompressed	B-Device
HD	O
video	O
up	O
to	O
720p/1080i	O
60Hz	O
(	O
with	O
RGB	O
and	O
YCbCr	O
4:2:2/4:4:4	O
pixel	O
encoding	O
)	O
.	O
</s>
<s>
709	O
)	O
color	O
spaces	O
,	O
as	O
well	O
as	O
those	O
introduced	O
in	O
HDMI	B-Protocol
1.3	O
and	O
1.4	O
(	O
xvYCC	O
,	O
sYCC601	O
,	O
Adobe	O
RGB	O
,	O
and	O
AdobeYCC601	O
)	O
.	O
</s>
<s>
Other	O
features	O
include	O
192kHz	O
24-bit	O
LPCM	B-Algorithm
8-channel	O
surround	O
sound	O
audio	O
,	O
HDCP	B-Protocol
1.4	O
content	O
protection	O
,	O
and	O
a	O
minimum	O
of	O
2.5W	O
(	O
500mA	O
)	O
power	O
between	O
sink	O
(	O
e.g.	O
,	O
TV	O
)	O
and	O
source	O
(	O
e.g.	O
,	O
mobile	O
phone	O
)	O
for	O
charging	O
.	O
</s>
<s>
The	O
MHL	B-Protocol
sideband	O
channel	O
(	O
MSC	O
)	O
includes	O
a	O
built-in	O
Remote	B-Protocol
Control	I-Protocol
Protocol	O
(	O
RCP	O
)	O
function	O
allowing	O
the	O
remote	B-Protocol
control	I-Protocol
of	O
the	O
TV	O
to	O
operate	O
the	O
MHL	B-Protocol
mobile	O
device	O
through	O
TV	O
's	O
Consumer	O
Electronics	O
Control	O
(	O
CEC	O
)	O
function	O
,	O
or	O
allowing	O
a	O
mobile	O
device	O
to	O
manage	O
the	O
playback	O
of	O
its	O
content	O
on	O
the	O
TV	O
.	O
</s>
<s>
The	O
specification	O
also	O
included	O
additional	O
MHL	B-Protocol
sideband	O
channel	O
(	O
MSC	O
)	O
commands	O
.	O
</s>
<s>
Version	O
3.0	O
was	O
introduced	O
in	O
August	O
2013	O
,	O
and	O
added	O
support	O
for	O
4K	B-Device
Ultra	I-Device
HD	I-Device
(	O
3840	O
×	O
2160	O
)	O
30Hz	O
video	O
,	O
increasing	O
the	O
maximum	O
bandwidth	O
from	O
3Gbit/s	O
to	O
6Gbit/s	O
.	O
</s>
<s>
An	O
additional	O
YCbCr	O
4:2:0	O
pixel	O
encoding	O
for	O
4K	B-Architecture
resolution	I-Architecture
was	O
also	O
introduced	O
,	O
while	O
the	O
maximum	O
charging	O
supply	O
was	O
increased	O
to	O
10W	O
(	O
2A	O
)	O
.	O
</s>
<s>
The	O
specification	O
increased	O
the	O
speed	O
of	O
the	O
bi-directional	O
data	O
channel	O
from	O
1Mbit/s	O
to	O
75Mbit/s	O
to	O
enable	O
concurrent	O
4K	B-Architecture
video	I-Architecture
and	O
human	B-General_Concept
interface	I-General_Concept
device	I-General_Concept
(	O
HID	O
)	O
support	O
,	O
such	O
as	O
mice	O
,	O
keyboards	O
,	O
touchscreens	O
,	O
and	O
game	O
controllers	O
.	O
</s>
<s>
Other	O
features	O
include	O
support	O
for	O
simultaneous	O
multiple	O
displays	O
,	O
improved	O
Remote	B-Protocol
Control	I-Protocol
Protocol	O
(	O
RCP	O
)	O
with	O
new	O
commands	O
,	O
and	O
HDCP	B-Protocol
2.2	O
content	O
protection	O
.	O
</s>
<s>
superMHL	O
1.0	O
was	O
introduced	O
in	O
January	O
2015	O
,	O
supporting	O
8K	B-Architecture
Ultra	B-Device
HD	I-Device
(	O
7680	O
×	O
4320	O
)	O
120Hz	O
High	B-Application
Dynamic	I-Application
Range	I-Application
(	O
HDR	O
)	O
video	O
with	O
wide	O
color	O
gamut	O
(	O
Rec	O
.	O
</s>
<s>
The	O
Remote	B-Protocol
Control	I-Protocol
Protocol	O
(	O
RCP	O
)	O
was	O
also	O
extended	O
to	O
link	O
multiple	O
MHL	B-Protocol
devices	O
together	O
(	O
e.g.	O
,	O
TV	O
,	O
AVR	O
,	O
Blu-ray	O
Disc	O
player	O
)	O
and	O
control	O
them	O
via	O
one	O
remote	O
.	O
</s>
<s>
The	O
increase	O
in	O
bandwidth	O
over	O
previous	O
MHL	B-Protocol
versions	O
is	O
achieved	O
by	O
using	O
multiple	O
A/V	O
lanes	O
,	O
each	O
operating	O
at	O
6Gbit/s	O
,	O
with	O
a	O
maximum	O
of	O
six	O
A/V	O
lanes	O
supported	O
depending	O
on	O
device	O
and	O
connector	O
type	O
.	O
</s>
<s>
For	O
example	O
,	O
Micro-USB	O
and	O
HDMI	B-Protocol
Type-A	O
support	O
one	O
A/V	O
lane	O
,	O
USB	O
Type-C	O
supports	O
up	O
to	O
four	O
A/V	O
lanes	O
,	O
and	O
the	O
superMHL	O
connector	O
supports	O
up	O
to	O
six	O
A/V	O
lanes	O
(	O
36Gbit/s	O
)	O
.	O
</s>
<s>
In	O
cases	O
when	O
the	O
bandwidth	O
of	O
the	O
available	O
lane(s )	O
is	O
unable	O
to	O
meet	O
the	O
rate	O
of	O
the	O
uncompressed	B-Device
video	I-Device
stream	O
,	O
bandwidth	O
savings	O
of	O
up	O
to	O
3:1	O
can	O
be	O
achieved	O
with	O
a	O
DSC	O
compression	O
rate	O
of	O
3.0	O
×	O
.	O
</s>
<s>
For	O
example	O
,	O
4K	B-Architecture
60Hz	O
is	O
possible	O
using	O
a	O
single	O
lane	O
(	O
e.g.	O
,	O
Micro-USB	O
/	O
HDMI	B-Protocol
Type-A	O
)	O
with	O
a	O
DSC	O
rate	O
of	O
3.0	O
×	O
.	O
</s>
<s>
superMHL	O
can	O
use	O
a	O
variety	O
of	O
source	O
and	O
sink	O
connectors	O
with	O
certain	O
limitations	O
:	O
micro-USB	O
or	O
proprietary	O
connectors	O
can	O
be	O
used	O
for	O
the	O
source	O
only	O
,	O
HDMI	B-Protocol
Type-A	O
for	O
the	O
sink	O
only	O
,	O
while	O
the	O
USB	O
Type-C	O
and	O
the	O
superMHL	O
connectors	O
can	O
be	O
used	O
for	O
the	O
source	O
or	O
sink	O
.	O
</s>
<s>
The	O
first	O
implementations	O
use	O
the	O
most	O
common	O
mobile	O
connection	O
(	O
Micro-USB	O
)	O
and	O
the	O
most	O
common	O
TV	O
connection	O
(	O
HDMI	B-Protocol
)	O
.	O
</s>
<s>
There	O
are	O
two	O
types	O
of	O
connection	O
,	O
depending	O
on	O
whether	O
the	O
display	O
device	O
directly	O
supports	O
MHL	B-Protocol
.	O
</s>
<s>
Passive	O
cables	O
allow	O
MHL	B-Protocol
devices	O
to	O
connect	O
directly	O
to	O
MHL-enabled	O
TVs	O
(	O
i.e.	O
</s>
<s>
display	O
devices	O
or	O
AV	O
receivers	O
with	O
an	O
MHL-enabled	O
HDMI	B-Protocol
port	O
)	O
while	O
providing	O
charging	O
power	O
upstream	O
to	O
the	O
mobile	O
device	O
.	O
</s>
<s>
Other	O
than	O
the	O
physical	O
connectors	O
,	O
no	O
USB	O
or	O
HDMI	B-Protocol
technology	O
is	O
being	O
used	O
.	O
</s>
<s>
Exclusively	O
MHL	B-Protocol
signaling	O
is	O
used	O
through	O
the	O
connectors	O
and	O
over	O
the	O
cable	O
.	O
</s>
<s>
With	O
an	O
active	O
adapter	O
,	O
MHL	B-Protocol
devices	O
are	O
able	O
to	O
connect	O
to	O
HDMI	B-Protocol
display	O
devices	O
that	O
do	O
not	O
have	O
MHL	B-Protocol
capability	O
by	O
actively	O
converting	O
the	O
signal	O
to	O
HDMI	B-Protocol
.	O
</s>
<s>
These	O
adapters	O
often	O
feature	O
an	O
additional	O
Micro-USB	O
port	O
on	O
them	O
to	O
provide	O
charging	O
power	O
to	O
the	O
mobile	O
device	O
because	O
standard	O
HDMI	B-Protocol
ports	O
do	O
not	O
supply	O
sufficient	O
current	O
.	O
</s>
<s>
The	O
Samsung	B-Application
Galaxy	I-Application
S	I-Application
III	I-Application
,	O
and	O
later	O
Galaxy	B-Operating_System
Note	I-Operating_System
II	I-Operating_System
and	O
Galaxy	B-Application
S4	I-Application
,	O
use	O
an	O
11-pin	O
connector	O
and	O
the	O
six	O
additional	O
connector	O
pins	O
in	O
order	O
to	O
achieve	O
functional	O
improvements	O
over	O
the	O
5-pin	O
design	O
(	O
like	O
simultaneous	O
USB-OTG	O
use	O
)	O
.	O
</s>
<s>
However	O
,	O
if	O
consumers	O
have	O
a	O
standard	O
MHL-to-HDMI	O
adapter	O
all	O
they	O
need	O
to	O
purchase	O
is	O
a	O
tip	O
.	O
</s>
<s>
With	O
the	O
launch	O
of	O
the	O
Samsung	B-Application
Galaxy	I-Application
S4	I-Application
,	O
Samsung	B-Application
also	O
released	O
MHL	B-Protocol
2.0	O
smart	O
adapter	O
with	O
a	O
built-in	O
11-pin	O
connector	O
.	O
</s>
<s>
The	O
first	O
Samsung	B-Application
MHL	B-Protocol
1.0	O
smart	O
adapter	O
released	O
with	O
the	O
Galaxy	B-Application
S	I-Application
III	I-Application
requires	O
external	O
power	O
and	O
is	O
able	O
to	O
work	O
with	O
HDMI	B-Protocol
TVs	O
at	O
1080p	O
at	O
24Hz	O
.	O
</s>
<s>
The	O
MHL	B-Protocol
2.0	O
adapter	O
released	O
with	O
the	O
Galaxy	B-Application
S4	I-Application
can	O
output	O
1080p	O
at	O
60Hz	O
and	O
does	O
not	O
need	O
external	O
power	O
.	O
</s>
<s>
The	O
MHL	B-Protocol
Alternate	O
Mode	O
for	O
USB	O
3.1	O
specification	O
allows	O
MHL	B-Protocol
enabled	O
source	O
and	O
display	O
devices	O
to	O
be	O
connected	O
through	O
a	O
USB	O
Type-C	O
port	O
.	O
</s>
<s>
The	O
standard	O
was	O
released	O
on	O
November	O
17	O
,	O
2014	O
,	O
and	O
is	O
backward	O
compatible	O
with	O
existing	O
MHL	B-Protocol
specifications	O
:	O
supporting	O
MHL	B-Protocol
1	O
,	O
2	O
,	O
3	O
and	O
superMHL	O
.	O
</s>
<s>
The	O
standard	O
supports	O
the	O
simultaneous	O
transfer	O
of	O
data	O
(	O
at	O
least	O
USB	O
2.0	O
,	O
and	O
depending	O
on	O
video	O
resolution	O
:	O
USB	O
3.1	O
Gen	O
1	O
or	O
2	O
)	O
and	O
power	O
charging	O
(	O
up	O
to	O
40	O
W	O
via	O
USB	O
Power	O
Delivery	O
)	O
,	O
in	O
addition	O
to	O
MHL	B-Protocol
audio/video	O
.	O
</s>
<s>
The	O
use	O
of	O
passive	O
cables	O
is	O
possible	O
when	O
both	O
devices	O
support	O
the	O
standard	O
,	O
e.g.	O
,	O
when	O
connecting	O
to	O
superMHL	O
,	O
USB	O
Type-C	O
,	O
and	O
MHL-enabled	O
HDMI	B-Protocol
,	O
otherwise	O
,	O
an	O
active	O
cable	O
adapter	O
is	O
necessary	O
to	O
connect	O
to	O
standard	O
HDMI	B-Protocol
devices	O
.	O
</s>
<s>
Depending	O
on	O
the	O
bandwidth	O
requirement	O
,	O
the	O
standard	O
makes	O
use	O
of	O
a	O
variable	O
number	O
of	O
USB	O
Type-C	O
'	O
s	O
four	O
SuperSpeed	O
differential	O
pairs	O
to	O
carry	O
each	O
TMDS	B-Protocol
lane	O
:	O
a	O
single	O
lane	O
is	O
required	O
for	O
resolutions	O
up	O
to	O
4K/60Hz	O
,	O
two	O
lanes	O
for	O
4K/120Hz	O
,	O
and	O
all	O
four	O
lanes	O
for	O
8K/60Hz	O
.	O
</s>
<s>
The	O
MHL	B-Protocol
eCBUS	O
signal	O
is	O
sent	O
over	O
a	O
side-band	O
(	O
SBU	O
)	O
pin	O
on	O
the	O
USB	O
Type-C	O
connector	O
.	O
</s>
<s>
In	O
common	O
MHL	B-Protocol
Alt	O
Mode	O
implementations	O
on	O
mobile/tablet/laptops	O
,	O
the	O
video	O
from	O
the	O
GPU	B-Architecture
will	O
be	O
converted	O
to	O
MHL	B-Protocol
signal	O
by	O
using	O
a	O
MHL	B-Protocol
transmitter	O
chip	O
.	O
</s>
<s>
The	O
transmitter	O
chips	O
often	O
accept	O
video	O
in	O
MIPI	O
(	O
DSI/DPI	O
)	O
or	O
HDMI	B-Protocol
format	O
and	O
convert	O
it	O
to	O
MHL	B-Protocol
format	O
.	O
</s>
<s>
The	O
USB	O
Type-C	O
port	O
controller	O
functions	O
as	O
a	O
switch/mux	O
,	O
passing	O
through	O
the	O
MHL	B-Protocol
signal	O
to	O
the	O
external	O
devices	O
.	O
</s>
<s>
The	O
dock/display	O
devices	O
may	O
use	O
an	O
MHL	B-Protocol
bridge	O
chip	O
to	O
convert	O
the	O
MHL	B-Protocol
signal	O
to	O
HDMI	B-Protocol
signal	O
format	O
.	O
</s>
<s>
In	O
conjunction	O
with	O
the	O
release	O
of	O
the	O
superMHL	O
specification	O
in	O
January	O
2015	O
,	O
MHL	B-Protocol
introduced	O
a	O
reversible	O
32-pin	O
superMHL	O
connector	O
.	O
</s>
<s>
SlimPort	O
is	O
a	O
proprietary	O
alternative	O
to	O
MHL	B-Protocol
,	O
based	O
on	O
the	O
DisplayPort	B-Protocol
standard	O
integrated	O
into	O
common	O
microUSB	O
ports	O
and	O
supports	O
up	O
to	O
1080p60	O
or	O
1080p30	O
with	O
3D	O
content	O
over	O
HDMI	B-Protocol
1.4	O
(	O
up	O
to	O
5.4	O
Gbit/s	O
of	O
bandwidth	O
)	O
,	O
in	O
addition	O
to	O
support	O
for	O
DVI	B-Application
,	O
VGA	O
(	O
up	O
to	O
1920	O
x	O
1080	O
at	O
60Hz	O
)	O
,	O
and	O
DisplayPort	B-Protocol
.	O
</s>
