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HT8100 Datasheet - Holtek

HT8100 Datasheet PDF Holtek Semiconductor

Part Name
HT8100

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19 Pages

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195.5 kB

MFG CO.
Holtek
Holtek Semiconductor GO URL

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. With 2.4V~5.0V power supply, a complete synthesized voice playback system can be easily built with very few external components.


FEATUREs
• Operating voltage: 2.4V~5V
• Directly drives an external transistor
• PWM function directly driver speaker
• Low standby current (1A 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
   - 3Hz flash
   - 6Hz flash
   - Busy output
   - OFF
• 6 keys (Directed)
• 8 keys (Matrix key)
• Key options
   - Sequential/Directed
   - Repeat (KEY2~KEY6)
   - STOP key (KEY6)
   - Key debounce time: 1.2ms, 22ms, 45ms (based on a 8kHz sampling rate)
   - One shot/Normal
   - Pull-high resistance: 0, 50kΩo, 100kΩ, 200kΩ
• Section options
   - Retriggerable
   - Non-retriggerable
• Dice form or 16-pin DIP package


APPLICATIONs
• Leisure products
• Alarm clocks
• Alert and warning system
• Sound effect generators

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