HT86R384 -- Voice Synthesizer 8-Bit OTP MCU  (Preliminary) 

General Description

The HT86R384 series are 8-bit high performance microcontroller with voice synthesizer and tone generator. The HT86R384 is designed for applications on multiple I/Os with sound effects, such as voice and melody. It can provide various sampling rates and beats, tone levels, tempos for speech synthesizer and melody generator. It has a single built-in high quality, D/A output. There is an external interrupt which can be triggered with falling edge pulse or falling/rising edge pulse.

The HT86R384 is excellent for versatile voice and sound effect product applications. The efficient MCU instructions allow users to program the powerful custom applications. The system frequency of HT86R384 can be up to 8MHz under 2.4V and include a HALT function to reduce power consumption.

Features

  • Operating voltage: 2.4V~5.2V
  • System clock: 4MHz~8MHz
  • Crystal or RC oscillator for system clock
  • 23 I/O pins with 4 shared pins included
  • 8Kx16-bit program ROM
  • 208x8-bit RAM
  • 8192K-bit voice ROM size
  • 384 sec voice length
  • One external interrupt input
  • Three 16-bit programmable timer counter and overflow 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 1us (0.5us) instruction cycle with 4MHz (8MHz) system clock
  • Support 16-bit table read instruction (TBLP, TBHP)
  • 63 powerful and efficient instructions
  • 28-pin SOP package

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