HT81R18 Datasheet - Holtek Semiconductor

EasyVoice Speech

HT81R18 Features

* Operating voltage: 2.4V~5V

* Directly drives an external transistor

* PWM function directly driver speaker

* Low standby current (1mA typ. for VDD=3V)

* Minimal external components

* 240 notes table ROM for key functions

* Programmable silence length and end-pulse width

HT81R18 General Description

The EasyVoiceTM is a single-chip voice synthesizer LSI . The chip when triggered drives a speaker directly or through an external transistor with a PWM output. Negligible current is consumed in the standby state. The HT81xxx provides direct key or Matrix key input and 2 programmable FLAG outputs. Wi.

HT81R18 Datasheet (150.90 KB)

HT81R18 Datasheet Preview — Preview of HT81R18 PDF

Datasheet Details

Part number:

HT81R18

Manufacturer:

Holtek Semiconductor

File Size:

150.90 KB

Description:

Easyvoice speech.

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HT81R18 EasyVoice Speech Holtek Semiconductor

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HT81R18 Features

HT81R18 General Description

Datasheet Details

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