w91082n Winbond Electronics Corp America, w91082n Datasheet
w91082n
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w91082n Summary of contents
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... TONE GENERATOR WITH µC SERIAL INTERFACE GENERAL DESCRIPTION The W91082N is Si-gate CMOS IC that provides DTMF signals. It can be programmed by a µC to generate 16 dual tones and 8 single tones from the DTMF pin. The W91082N provides a serial mode interface for various applications such as cordless, KTS, PBX and Caller ID system. ...
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... When chip enable ( CE pin goes to low level), the DATA and CLK pins receive the correspondent code to generate a DTMF signal. The W91082N defines every digit to have 5 bits code, and D0 (LSB) as the first received bit. The W91082N latches the data on the falling edge of the clock. ...
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... DTMF OFF 1 1 Table 1. The relationship between data input and tone output frequency Preliminary W91082N D1 D0 TONE OUTPUT FREQUENCY (Hz ...
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... MHz 25° C, All outputs unloaded OSC A PARAMETER SYMBOL Operating Voltage V Operating Current Standby Current Tone Output Voltage V DTMF Distortion THD DTMF Output DC Level V DTMF Output Sink Current Preliminary W91082N SYMBOL V − OPR T STG ...
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... Voice & Fax-on-demand: 886-2-27197006 Taipei Office 11F, No. 115, Sec. 3, Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-27190505 FAX: 886-2-27197502 Note: All data and specifications are subject to change without notice. Preliminary W91082N = 25° C, All outputs unloaded.) CONDITIONS MIN. - OSC - CLK ...