HT86A72

www.DataSheet4U.com HT86Axx/HT86ARxx A/D Type Voice 8-Bit MCU Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note Features · HT86AXX Operating voltage: 2.0V~5.5V · Four 8-bit programmable Timer with overflow HT86ARXX Operating voltage: 2.2V~5.5V · System clock: 4MHz~8MHz · Crystal and RC system oscillator · 40 I/O pins · 8K´16-bit Program Memory · 384´8-bit Data Memory · 768/1536K-bit voice ROM size · 36/72 sec voice length · External interrupt input · 12-bit high quality voltage type D/A output · 4 channels 12-bit resolution A/D Converter · SPI series protocol interface · Integrated 1W power amplifier to drive 8W Speaker interrupt and 7-stage prescaler · One optional 32768Hz crystal oscillator for RTC time base · 8-bit counter with 3-bit prescaler · Watchdog timer function · 8-level subroutine nesting · Low voltage reset and low voltage detect function · Integrated voice ROM with various capacities · Power-down function and wake-up feature reduce power consumption · Up to 0.5ms instruction cycle with 8MHz system clock at VDD= 5V · 63 powerful instructions · 44-pin QFP and 64-pin LQFP packages General Description The devices are Voice type series 8-bit high performance microcontrollers which include a voice synthesiser and tone generator. They are specifically designed for applications which require multiple I/Os and sound effects, such as voice and melodies. They can provide various sampling rates and beats, tone levels,...