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LC72701M - Serial Interface Dialler

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  • UTE MUTE1 13 TEST Continued on next page. No. 5561-8/11 LC73701M Continued from preceding page. Pin No. Pin Internal circuit 14 DTMF 18 DP Notes.

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Datasheet Details

Part number LC72701M
Manufacturer Sanyo Semicon Device
File Size 111.00 KB
Description Serial Interface Dialler
Datasheet download datasheet LC72701M Datasheet
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Full PDF Text Transcription

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CMOS LSI No. 5561 LC73701M Serial Interface Dialler Overview The LC73701M is a DTMP/pulse output dual-system dialer CMOS LSI for use in push-button telephones. It provides an on-chip serial interface and operates under the control of data sent over that serial interface. The LC73701M can be easily controlled by the system CPU using this dedicated interface. • The dial pulse make ratio can be specified to be either 33 or 39%. • Wide operating voltage range Pulse mode: VDD = 1.5 to 5.5 V DTMF mode: VDD = 2.0 to 5.5 V Package Dimensions unit: mm 3095-MFP18 [LC73701M] Functions • Functions as a dialer that is controlled over a serial interface. • The built-in oscillator circuit (fOSC = 4.19 MHz) can use either a crystal oscillator or a ceramic resonator as its oscillator element.
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