产品名称:TTU261L编 号:TTU261L
型 号:

◆ General Description:
TTU261L is a 4-bit T416 microcontroller. It contains 1K*16 ROM, 48*4 RAM and up to 48-dots LCD drivers, which is designed for LCD products application. The device is suitable for application in family appliance, consumer product, particularly in watch,timer, counter & pedometer application.
◆ Features:
◇4-bit T416 MCU core
◇2-level stack
◇Operating voltage: 1.2V~1.8V
◇Operating frequency:
128KHz/32KHz @1.5V
◇Built-in 32768Hz crystal oscillator & internal RC oscillator
◇1K*16 program ROM
◇48*4 SRAM
◇4 I/P pins, 2 O/P pins & 4 general programmable I/O pins
Input port key wake up by mask option
Buzzer frequency selected by mask option
PA0 can be used as timer/counter input
PA1 latch type trigger
◇48/39 dots LCD display optioned by mask
12*4 LCD driver (1/4 duty; 1/2 bias)
13*3 LCD driver (1/3 duty; 1/2 bias)
◇One 8-bit auto-reload timer/counter
◇Built-in software control for power saving function
◇Built-in watch dog timer reset circuit
◇Provides 4 interrupt sources
External: PA0, PA1
Internal: Timer/counter, Base timer
◆ Applications:
◇LCD products
◇Watch/ Timer
◇Counter/ Step counter/ Pedometer