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HT2830 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT2830 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 15 page  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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Similar Description - HT2830 |
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