HT86072 - Holtek Semiconductor

HT86072 8-Bit Voice Synthesizer MCU

HT86XXX 8-Bit Voice Synthesizer MCU Features · Operating voltage: 2.4V~5.2V · Build-in low supply voltage detection circuit (2.2V or 3.3V) · System clock: 4MHz~8MHz · Crystal or RC oscillator for system clock · 24 I/O pins with 4 shared pins included · 8K´16-bit program ROM · 208´8-bit RAM · One external interrupt input · Three 16-bit programmable timer cou.

Features

· Operating voltage: 2.4V~5.2V
· Build-in low supply voltage detection circuit (2.2V or 3.3V)
· System clock: 4MHz~8MHz
· Crystal or RC oscillator for system clock
· 24 I/O pins with 4 shared pins included
· 8K´16-bit program ROM
· 208´8-bit RAM
· One external interrupt input
· Three 16-bit programmable timer counter and over- flow interrupts
· 12-bit high quality D/A output by transistor or HT82V733
· Built-in voice ROM in various capacity
· One optional 32768Hz crystal oscillator for RTC time base (8-bit counter with 3-bit prescaler)
· Watchdog Timer
· 8-level subroutine nesting
· HALT func.