 Posted: Fri Jun 20, 2008 3:08 pm Post subject: Re: MT3170 datasheet |
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http://www.freerepublic.com/focus/f-news/1884229/posts |
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| Posted: Fri Jun 20, 2008 9:14 am Post subject: MT3170 datasheet |
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| Features(MT3170 datasheet and pdf download)
* Wide dynamic range (50dB) DTMF Receiver * Call progress (CP) detection via cadence indication * 4-bit synchronous serial data output * Software controlled guard time for MT3x70B * Internal guard time circuitry for MT3x71B * Powerdown option (MT317xB & MT337xB) * 4.194304MHz crystal or ceramic resonator (MT337xB and MT327xB) * External clock input (MT317xB) * Guarantees non-detection of spurious tones Applications * Integrated telephone answering machine * End-to-end signalling * Fax Machines |
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