HT83R074 -- Q-VoiceTM

General Description

The HT83R074 is 8-bit high performance microcontroller with voice synthesizer and tone generator. The HT83R074 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.

The HT83R074 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 HT83R074 can be up to 8MHz under 2.4V and include a HALT function to reduce power consumption.

Features

  • Operating voltage: 2.4V~5.2V
  • Up to 1µs (0.5µs) instruction cycle with 4MHz (8MHz) system clock
  • System clock: 4MHz~8MHz (2.4V)
  • Crystal or RC oscillator for system clock
    12 I/O pins
  • 2Kx15 program ROM
  • 80x8 RAM
  • 1536K voice ROM size
  • 72 sec voice length
  • Two 8-bit programmable timer counter with 8-stage
    prescaler and one time base counter
  • Watchdog Timer
  • 4-level subroutine nesting
  • HALT function and wake-up feature reduce power
    consumption
  • PWM circuit direct drive speaker or output by
    transistor
  • 20-pin SSOP (209mil) package
    28-pin SOP (300mil) package

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