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HT83R074 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT83R074 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 38 page  HT83R074 Q-VoiceTM Rev. 1.00 1 May 17, 2007 Features · Operating voltage: 2.4V~5.2V · Up to 1ms (0.5ms) 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 Applications · Intelligent educational leisure products · Alert and warning systems · Sound effect generators 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 pro- vide various sampling rates and beats, tone levels, tem- pos for speech synthesizer and melody generator. The HT83R074 is excellent for versatile voice and sound effect product applications. The efficient MCU in- structions 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. Technical Document · Tools Information · FAQs · Application Note |
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