HE83147

      HE83147 is a member of 8-bit Micro-controller series developed by King Billion Electronics Ltd.Users can chose any one of combination among(1024 dots LCD Drive +8 Bit I/O Port) to (768 dots LCD Drives +24 Bit I/O Port) ect..The 7-bit current-type D/A converter and PWM device provide the complete speech output mechanism.The 256K Rom Size can be used in the storage of speech,graphic,text etc..It can be applicable to the medium systems such as Small-Scale Dictionary,Data Bank,Pocket Dialer,and Educational Toy etc.
      The instruction set of HE83147 are quite easy to learn and simple to use.Only about thirty instructions with four-type addressing mode are provided.Most of instructions take only 3 oscillator clock(machine cycles).The processing power is enough to most of battery operation system.
      Features of HE83147 can be summerized as:(1)operation voltage:2.2V-5.5V.(2)system clock:DC 8MHz@5.0V;(3)one 7-bit current-type DAC output;(4)1024-768 dots LCD driver;(5)8-24 bit Bi-directional I/O port.Mask Option can select PUSH-PULL or OPEN DRAIN output mode for each I/O pin.8 of them are shared with LCD segment pins.
      HE83147 can be used in the medium systems such as Small-Scale Dictionary,Data Bank,Pocket Dialer,Educational Toy,Digital Voice Recording System etc.
      Absolute maximum ratings of HE83147 are:(1)supply voltage:-0.5V to 8V;(2)inout voltage:-0.5V to Vdd+0.5V;(3)output voltage:-0.5V to Vdd+0.5V;(4)storage temperature:-50 to 100.