◆General Description

      TTU056/TTR056 is an advanced 4-bit T416 microcontroller. It contains 1K*16 ROM &64-nibble RAM, which is designed for multiple I/O products application. The device is suitable for application in family appliance, consumer product.

◆Features

◇4-bit T416 MCU core
◇0.5um 1p2m CMOS process
◇2-level stack
◇Operating voltage: 2.2V~5.5V for TTU056 (2.5V~5.5V for TTR056)
◇Operating frequency:
      Resonator mode 1MHz~8MHz
      RC mode 400KHz~4MHz
      External clock mode
◇1K*16 program ROM
◇64*4 SRAM
◇12 general programmable I/O pins
      All I/O ports support keyboard wakeup function by software program except PA0
      PA0 can be used as external interrupt
      PA1 & PC3 can be used as timer/counter A & B clock input
      One-pin (PC0) or two-pin (PC0 & PC1) buzzer output can be selected by mask
      Buzzer frequency selection by mask
◇Two 8-bit auto-reload timer/counter & one base timer
      External or internal clock source selected by software programming
◇Built-in software control for power saving function
◇Built-in watch dog timer reset circuit
◇Provides 4 interrupt sources
      External: PA0/INT0
      Internal: Timer/counter A, Timer/counter B & Base timer

◆Applications

◇Household electric appliances
◇Consumer products
◇Toy controller