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High-Functionality/High-Performance
Compact Bluetooth® Module
for Wireless Stereo Audio Playback
CXN1600
With the increasing popularity of wireless functionality in portable audio players and cellular phones,
products such as wireless stereo headphones, wireless speaker, and hands-free automotive system are becoming
increasingly common. Bluetooth® technology enables connection among those products without wires and cords
and has been adopted by consumer and automotive manufacturers. Looking forward, Bluetooth® applications
continue to grow and it is expected that file transfers of data such as address books and phone books
between portable equipment and automotive system will become widely available.
The CXN1600 is a self contained, full-featured, easy to use Bluetooth® module. It supports the BT2.0 + EDR (Enhanced
Data Rate) standard that is becoming the mainstream technology for providing wireless stereo playback environments. |
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CXN1600 |
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* Diverse interfaces
* Miniature SMD package
14 × 16.5 × 2.1 mm
Shielded 72-pin LGA package
* CSR's BC5-MM
* Built-in 16M-bit flash ROM
* Battery charger circuit included
* 1.8 V DC-DC converter
* Minimal number of external
components |
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 Full Firmware Support Provided
Since It is a Full Module |
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The CXN1600 is a transmission power class 2
full functionality surface mounting module that
supports both headsets and a wide range of
application profiles. The CXN1600 is optimal
for headset and headphone applications and
allows the inclusion of echo canceling and
noise canceling functions in automotive and
other hands-free applications. It can also support
AAC/AAC + Codec, WMA, and other
standards, and supports application software
development to match user needs and even
embedded applications. It includes flash ROM
to make software updates and upgrades possible.
The CXN1600's superlative characteristics and an easy-to-use parameter set mean that it can
be used with confidence in audio applications. |
| External Interfaces |
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The CXN1600 supports the following extensive
set of interfaces.
• Audio input/output
• UART
• USB
• PCM/I2S
• PIO (16 systems)
• AIO (2 systems)
• LED (2 systems) |
Profile Options
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Users can select from the following wide variety
of profiles according to the application's
needs.
• A2DP
• AVRCP1.3
• PBAP
• OPP
• SPP
• HF1.5
• HS |
| Simplified End Product Power
Supply |
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The CXN1600 includes both 1.5 V and 1.8 V
regulator circuits (external resonators are
required), and can operate on a single battery
system.
It also includes a power supply charge control
circuit and supports miniature form factors and
reduced costs in products that use rechargeable
batteries.
Power consumption has been reduced by 20%
from the current CXN1450. |
| RF Design |
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Bluetooth® uses the 2.4 GHz band. The
CXN1600 uses a 50 Ω matching circuit in its
RF input block and can operate an external
antenna with a simple matching circuit. Sony
can also offer consultation on antenna selection,
directional antenna development, and RF circuit
board design. |
| Custom Modules |
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Sony also provides the CXN1601, which is a
slim version (20.9 × 11.4 × 2.2 mm, 72-pin
LGA without a shield) that features the same
functionality as the CXN1600. Please contact
your Sony representative to discuss modifications
to module-internal circuits, modifications
to package specifications or other design
changes, as well as certification procedures.
*: The Bluetooth® word mark and logo are registered
trademarks of Bluetooth SIG, Inc., and Sony
has received permission to use these trademarks. |
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•••• Mr. Nagashima••••
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This miniature high-performance module, in
true Sony tradition, incorporates both hardware
and software know-how fostered
through extensive experience. We also took
the user's standpoint into account and
focused on ease of use in this product. I
strongly recommend that you look into this
device and expand the world of Bluetooth®
applications together with Sony. |
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See
all articles with figures and tables.  |
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Vol.51 |
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