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HT86144 - 8-Bit Voice Synthesizer MCU

Download the HT86144 datasheet PDF. This datasheet also covers the HT86072 variant, as both devices belong to the same 8-bit voice synthesizer mcu family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • Operating voltage: 2.4V~5.2V.
  • Build-in low supply voltage detection circuit (2.2V or 3.3V).
  • System clock: 4MHz~8MHz.
  • Crystal or RC oscillator for system clock.
  • 24 I/O pins with 4 shared pins included.
  • 8K´16-bit program ROM.
  • 208´8-bit RAM.
  • One external interrupt input.
  • Three 16-bit programmable timer counter and over- flow interrupts.
  • 12-bit high quality D/A output by transistor or HT82V733.
  • Built-in voice ROM in various capacity.
  • One.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT86072-HoltekSemiconductor.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Holtek Semiconductor

Part Number Description
HT86192 8-Bit Voice Synthesizer MCU
HT86030 Voice Synthesizer 8-Bit MCU
HT86070 Voice Synthesizer 8-Bit MCU
HT86072 8-Bit Voice Synthesizer MCU
HT86384 8-Bit Voice Synthesizer MCU

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
HT86XXX 8-Bit Voice Synthesizer MCU Features · Operating voltage: 2.4V~5.2V · Build-in low supply voltage detection circuit (2.2V or 3.3V) · System clock: 4MHz~8MHz · Crystal or RC oscillator for system clock · 24 I/O pins with 4 shared pins included · 8K´16-bit program ROM · 208´8-bit RAM · One external interrupt input · Three 16-bit programmable timer counter and over- flow interrupts · 12-bit high quality D/A output by transistor or HT82V733 · Built-in voice ROM in various capacity · One optional 32768Hz crystal oscillator for RTC time base (8-bit counter with 3-bit prescaler) · Watchdog Timer · 8-level subroutine nesting · HALT function and wake-up feature reduce power consumption · Up to 1ms (0.