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HT81R03 Datasheet Easyvoice Speech

Manufacturer: Holtek Semiconductor Inc

Overview: HT81xxx EasyVoiceTM Speech.

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.

Key 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 (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 -.

HT81R03 Distributor