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HT8340-OJ, HT83R074, HT83R24

Table of contents:
Info of HT8340-OJ
Info of HT83R074
Info of HT83R24

HT8340-OJ, HT83R074, HT83R24 Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:07+ D/C:657

HT8340-OJ, HT83R074, HT83R24 Datasheet download

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Part Number: HT8340-OJ

MFG: HOLTEK

Package Cooled: 07+

D/C: 657

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HT83R074 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.

HT83R074 Maximum Ratings

Supply Voltage ..........................V_SS+2.4V to V_SS+5.5V
Storage Temperature ...........................-50 to 125
Input Voltage .............................V_SS-0.3V to V_DD+0.3V
Operating Temperature ..........................-20 to 70

HT83R074 Features

` Operating voltage: 2.4V~5.2V
` Up to 1s (0.5s) instruction cycle with 4MHz (8MHz)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
` 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
` 28-pin SOP package

HT83R074 Typical Application

· Intelligent educational leisure products
· Alert and warning systems
· Sound effect generators

HT83R074 Connection Diagram

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