HT2830 datasheet(1/15 Pages) HOLTEK

tên linh kiện	HT2830

Giải thích chi tiết về linh kiện	Up/Down Tone Generator

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nhà sản xuất	HOLTEK [Holtek Semiconductor Inc]

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HT2830

Up/Down Tone Generator

Pin Assignment

Features

•

Single power supply: 2.4V~3.3V

•

Low standby current: 1

µA (Typ.)

at VDD=3V

•

Speaker or direct piezo application

•

Sound output: one Main Tone plus two

Fighting Sounds (1,2)

•

Two direct LED drive outputs

(The flash rate depends on the sound speed)

•

Option mode selection: normal mode or auto

mode (bonding option)

•

Minimum external components

General Description

The HT2830 is a CMOS LSI chip designed for

use in sound effect products. It is a body struc-

ture including tone circuit, noise circuit, an up-

down counter, and other control logic to

generate various sounds such as JET plane,

motorcycle, helicopter, train, and so forth. Fea-

tures from the customer’s sound samples can be

analyzed and programmed into an internal

ROM by changing a mask layer during device

fabrication. The HT2830 is suitable for various

toy applications.

1

9th July ’97

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