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About
OTG
﹛﹛USB OTG is a new supplement to the USB1.1 specification.
It challenges the capability of existing mobile devices
and USB peripherals by giving them an added host capability
for connection to order USB devices. These new features
were needed to upgrades standard USB technology for
mobile, peripheral devices and Gateway Bridge. These
new features include the additional host capability,
smaller connectors, and low power output, which eliminate
the current limitation in the USB that requires a
PC to act as host.
Introduction
﹛﹛The On-The-Go (OTG) with MP3 interface controller
is an integral micro-controller solution for MP3 player
application. The MP3 speaker innovative designed make
used of the up-to-date USB-OTG technology to perform
a MP3 player slim and embedded memory free. It can
perform a MP3 player slim and embedded OTG module,
e.g. USB flash disk. The media now can be accessed
with free or limitation of internal memory, you can
enjoy the MP3 free and direct via various kinds of
resource now.
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Feature
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On-Chip
USB On-The-Go host and device controller module
*.
Compliant
with OTG specification and USB specification version
2.0 for full-speed (300Kbps)
﹛
USB
hosts and
devices
*.
Operate
as host or peripheral in point-to-point communication
with USB function
*.
Supply
90% USB devices e.g. flash disk, portable H.D.D.,
USB Card reader, MP3 player Digital Camera
*.
256
bytes ping-pong FIFO for host and device controller
transactions
*.
Integrated
USB transceivers and pull-up/down resistors
*.
Low
power reset and internal power on reset
*.
Support
file system of FAT12, FAT 16, FAT32
*.
SIX
FUNCTION BUTTONS FOR play/pause; Forward; Rewind;
Volume Up; Volume Down; EQ
*.
Switches
for Power; Hold
*.
Support
Mp3 bit rate from 32K~320K
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