Holtek Semiconductor HT827A0
The HT827A0 is 8-bit high performance microcontroller with a voice synthesizer and tone generator. They are designed for applications on multiple I/Os with sound effects. The LSIs provide 26 kinds of voice sampling rates, 4 octaves of tone level as well as a high quality of current type D/A output.| Part No. | HT827A0 |
|---|---|
| Datasheet | HT827A0 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | 8-Bit Microcontroller with Voice ROM |
| Buy | Stock & Price |
FEATURES
8-bit microcontroller●
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● HT827A0 Operating voltage: 2.4V~5.2V 8K´16 program ROM 208´8 data RAM 36 bidirectional I/O lines Interrupt input 16-bit programmable timer/event counter with overflow interrupts Watchdog timer On-chip crystal or RC types of oscillator
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● Halt function and wake-up feature reduces power consumption 63 powerful instructions Up to a 1ms instruction cycle with a 4MHz system clock at VDD=5V All instructions in 1 or 2 machine cycles 16-bit table read instruction 8-level subroutine nesting Bit manipulation instruction Voice and melody synthesizer
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● 128K´8 voice ROM 3/4 bit ADPCM coding algorithm 26 kinds of voice sampling rates Tone level of 4 octaves 14 kinds of melody beats
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● Current type of D/A switch output Tone generator counter Controllable volume 48-pin DIP package
APPLICATIONS
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● Intelligent educational toys High end toy controllers Talking alarm clocks
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● Alert and warning systems Public address systems Soun...
