SM8230A Datasheet - Nippon Precision Circuits Inc

Tone Dialer

SM8230A Features

* a built-in piezo-electric speaker driver for direct connection to a piezo-electric buzzer. The DTMF frequencies can be set to correspond to the DTMF standards of any country. The output level is also adjustable under software control. These features, combined with its small package and low power dis

SM8230A General Description

Number 1 2 3 4 5 6 7 8 Name SD SCL OE VSS CLK BZL BZH VDD I/O I I I * I O O * Serial data input Serial data transfer clock input. (For valid transfer, OE must stay LOW for 16 clock cycles.) DTMF output enable/serial data transfer select input. Serial data transfer is selected when LO.

SM8230A Datasheet (56.31 KB)

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Datasheet Details

Part number:

SM8230A

Manufacturer:

Nippon Precision Circuits Inc

File Size:

56.31 KB

Description:

Tone dialer.
SM8230A NIPPON PRECISION CIRCUITS INC. Tone Dialer with Built-in Piezo Driver PINOUT OVERVIEW The SM8230A is a dual-tone signal generator LSI develo.

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SM8230A Tone Dialer Nippon Precision Circuits Inc

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SM8230A Features

SM8230A General Description

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