Holtek Semiconductor HT83R074
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.| Part No. | HT83R074 |
|---|---|
| Datasheet | HT83R074 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Q-Voice |
| Buy | Stock & Price |
FEATURES
● Operating voltage: 2.4V~5.2V● Up to 1ms (0.5ms) instruction cycle with 4MHz (8MHz)
● 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 system clock
● System clock: 4MHz~8MHz (2.4V)
● Crystal or RC oscillator for system clock
● 12 I/O pins
● 2K´15 program ROM
● 80´8 RAM
● 1536K voice ROM size
● 72 sec voice length consumption
● PWM circuit direct drive speaker or output by transistor
● 28-pin SOP package
APPLICATIONS
● Intelligent educational leisure products● Alert and warning systems
● Sound effect generators
GENERAL DESCRIPTION
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. Rev. 1.00 1 May 17, 2007 HT8...
