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communication and power supply for peripheral devices and computers.
● USB 1.1: Full–Bandwidth USB, specification was the first release to be widely adopted by the
consumer market. This specification allowed for a maximum bandwidth of 12Mbps.
●USB 2.0:or Hi–Speed USB, specification made many improvements over USB 1.1. The main
improvement was an increase in bandwidth to a maximum of 480Mbps.
● USB 3.2: Super Speed USB with 3 varieties of 3.2 Gen 1(original name USB 3.0), 3.2Gen 2(original
name USB 3.1), 3.2 Gen 2x2 (original name USB 3.2) with speed up to 5Gbps,10Gbps,20Gbps
respectively.
USB version and connectors figure:
Type A
USB 2.0
USB 3.0
USB 3.1&3.2
●NTSC : The colour video standard used in North America and some other parts of the
world created by the National Television Standards Committee in the 1950s. NTSC utilizes
an interlaced video signals.
●PAL: Phase Alternate Line. A television standard in which the phase of the colour carrier is alternated
from line to line. It takes four full images (8 fields) for the colour-to-horizontalimages (8 fields) for the
colour-to-horizontal phase relationship to return to the reference point. This alternation helps cancel
out phase errors. For this reason, the hue control
in needed on a PAL TV set. PAL, is widely used in Western Europe, Australia, Africa, the Middle East,
and Micronesia. PAL uses 625-line, 50-field (25 fps) composite colour transmission system.
●
SMPTE：
Society of Motion image and Television Engineers. A global organization, based in the
United States, that sets standards for baseband visual communications. This includes film as well as
video and television standards.
●
Video Electronics Standards Association. An organization facilitating computer graphics through
VESA:
standards.
X7
Type B
Mini A
Mini B
is not needed on a PAL TV set. PAL, is widely used
User Manual
Micro-A
Micro-B
Type C
75
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