HT86BXX/HT86BRXX -- Enhanced Voice 8-Bit MCU

　　Features

　　Operating voltage: 2.2V~5.5V

　　System clock: 4MHz~8MHz

　　Crystal and RC system oscillator

　　16/20/24 I/O pins

　　8Kx16-bit Program Memory

　　192x8/384x8-bit Data Memory

　　External interrupt input

　　Three 8-bit programmable Timers with overflow interrupt and 7-stage prescaler

　　12-bit high quality voltage type D/A output

　　PWM circuit direct audio output

　　External RC oscillator converter

　　8 capacitor/resistor sensor input

　　Watchdog timer function

　　8-level subroutine nesting

　　Low voltage reset function

　　Integrated voice ROM with various capacities

　　Power-down function and wake-up feature reduce

　　power consumption

　　Up to 0.5us instruction cycle with 8MHz system clock at VDD= 5V

　　63 powerful instructions