HT86072 Datasheet Text
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...