Q-Voice™ MCU

The HT83XXX is 8-bit high performance microcontroller with voice synthesizer and tone generator. The HT83XXX 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 mel • Operating voltage: 2.4V~5.2V\n• Up to 1µs (0.5µs) instruction cycle with 4MHz (8MHz) system clock\n• System clock: 4MHz~8MHz (2.4V)\n• Crystal or RC oscillator for system clock\n• 12 I/O pins\n• 2Kx15-bit program ROM\n• 80x8 RAM\n• Two 8-bit programmable timer counter and one time base counter\n• ;

Q-VoiceTM

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KEYBOARD ENCODER

GENERAL DESCRIPTION The EM83050H microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC XT/AT and all compatible machines. The EM83050H controll all scan codes, three LEDs status, scan timing and communications between the keyboard and PC. It is easy to implement a high