HT86576

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 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 function and wake-up feature reduce power consumption · Up to 1ms (0.5ms) instruction cycle with 4MHz (8MHz) system clock · Support 16-bit table read instruction (TBLP, TBHP) · 63 powerful and efficient instructions · 68-pin PLCC package Applications · Intelligent educational leisure products · Alert and warning systems · High end...