COMMUNICATION SEMICONDUCTORS
EV8380
Evaluation Kit for
CMX838 FRS/PMR446/GMRS
Family Radio Processor
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Windows™ software and PCMCIA card
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PC acts as CMX838 host controller
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Easily read/write CMX838 registers
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Perform simple CMX838 control
experiments with tab-delimited
script files
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Example scripts provided
USER MANUAL
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Evaluation Platform for the CMX838
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Reduces development time and risk
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Supports rapid prototyping
Convenient access to all CMX838 functions
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Mic input jack
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Speaker driver
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Speaker output jack
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Off-chip signal processing paths
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SMB connectors for synthesizer RF input,
charge pump output and reference oscillator
input
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The EV8380 is an evaluation platform for the CMX838 Family Radio Processor. It speeds development time
by allowing CMX838 experiments to be performed without developing embedded host firmware.
The EV8380 includes a main PC board containing a CMX838 FRS/PMR446/GMRS Family Radio Processor,
TM
a PCMCIA card and Windows software. The main board includes interfaces to all CMX838 sections
including: RF (synthesizer RF input, charge pump output with loop filter, and synthesizer reference oscillator
input), audio (mic jack, mic bias source, and speaker amplifier, speaker output jack) and host (PC via
PCMCIA card and software).
Windows software presents a ‘type and click’ interface to CMX838 registers for read and write operations.
It also executes tab-delimited text script files to automate command sequences.
The EV8380 supports all CMX838 baseband clock source modes including: connected baseband clock
crystal (included), derived from synthesizer reference oscillator and external baseband clock source.
The EV8380 main board can be used in a standalone manner or connected to external circuits for more
complete system testing. The main board is powered from an external 2.7-5.5VDC power supply.
The CMX838 data bulletin should be consulted during use of the EV8380.
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2001 MX-COM, Inc.
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
Doc. # 20480230.001
TM
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
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