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CML processor IC offers increased functionality, versatility

Posted: 03 Jan 2005 ?? ?Print Version ?Bookmark and Share

Keywords:cml microcircuits? processor ic? cmx8110?

CML Microcircuits has developed a highly integrated baseband and signaling processor IC with on-chip RF synthesis.

Launched at last year's Electronica in Munich, the new CMX8110 is designed for the expanding leisure radio market, covering all FRS, GMRS, MURS, PMR446, GPS data transport and text messaging applications.

Truly adaptable, the company said, the CMX8110 is also suitable for radio packet-data modems, wireless gaming radios, base stations and repeaters, showing that the product really is a 'one for all' processor thanks to its clever design and low-power operation.

Under the control of the host microcontroller, all voiceband requirements are catered for: voiceband and sub-audio filtering, pre/de-emphasis, companding, voice scrambling, audio routing and global level setting, offering single or two-point modulation in the transmit path and a separately controllable RF synthesizer for external system operations and overall component-count reduction.

The combination of new and standard signalling functions of this new product offer, under software control, increased functionality, versatility and communication privacy. Standard Extended-Code CTCSS and DCS functions are integrated with the new XTCSS code implementation. XTCSS provides additional and improved squelch-centered privacy codes with the added advantage of 'silent operation'; no annoying interference from other sub-audio users, explained CML.

For advanced radio operation, the CMX8110 provides a 1,200/2,400bps free-format and packet-data FFSK/MSK modem. This can be used for text messaging, paging, passing GPS coordinates (NMEA 0183 compatible) and other data-centric applications.

As a low-power chip with dynamic powersave functions, the CMX8110 requires a smaller, reduced power microcontroller compared to other FRS/PMR446 solutions. This product is available in compact LQFP and VQFN packages.

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