◆ General Description

      The MCU provides cost effective for ADC application。 It designs by LSI high technology with low power process。

◆ Features

◇Use 4-bit CPU core
◇Operating Voltage：
      - (TTR620)OTP type：2.2v-5.5v (fsys=4Mhz)，3.3v-5.5v (fsys=8Mhz)
◇Oscillator type（Mask Option）
      – Resonator oscillator 1M-8Mhz(external capacitor)
      – Built-in RC oscillator external resistor，internal capacitor (400K-4Mhz )
      – Internal RC oscillator : ( 4Mhz )
      – I/O define
      – External clock input(OSCH)
      – Internal RC oscillator 16Khz
◇ROM 4K*16，RAM 256*4
◇Built-in 4 stacks
◇Built-in a time base with internal interrupt
◇Built-in watch dog timer
◇Built-in Programming frequency divider function for buzzer function
◇Stop function and sleep function feature to reduce power consumption
◇Built-in 1 set 8-bit Timer/counter with auto-reload
◇Built-in 2 set 8-bit PWM
◇Low voltage reset function
◇Built-in 8 bits ADC 8 channels (with internal interrupt function，conversion time

  is 64us @4Mhz) (8-bit resolution )
◇Max 17 I/O ports , 1 Input port .
◇Provide external reset pin and internal reset pin
◇Provide 20/16 -pin SDIP/SOP

◆ Application

◇Electric appliances controller
◇Consumer products
◇Toy controller

◆ Pin Assignment