HT81R18, HT81R03 - EasyVoice Speech

Name: HT81R18
SKU: HT81R18-1488110

Holtek Semiconductor

The HT81R18 by Holtek Semiconductor is a EasyVoice Speech. Below is the official datasheet preview.

Datasheet Details

Part number	HT81R18, HT81R03
Manufacturer	Holtek Semiconductor
File Size	150.90 KB
Description	EasyVoice Speech
Datasheet	HT81R03_HoltekSemiconductorInc.pdf
Note	This datasheet PDF includes multiple part numbers: HT81R18, HT81R03. Please refer to the document for exact specifications by model.
Additional preview pages of the HT81R18 datasheet.

The EasyVoiceTM is a single-chip voice synthesizer LSI .

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 (minimal end-pulse width is 1.3ms at 8kHz sampling rate).
Controllable volume.
FLAG1 options - End-pulse output - 3Hz, 3HzB flash - 6Hz, 6HzB flash - Busy output - OFF.
FLAG2 options -.

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Published: Oct 10, 2021 |