تراشه HT1623

Features :

• Operating voltage: 2.7V~5.2V
• Built-in RC oscillator
• External 32.768kHz crystal or 32kHz frequency source input
• 1/4 bias, 1/8 duty, frame frequency is 64Hz
• Max. 48×8 patterns, 8 commons, 48 segments
• Built-in internal resistor type bias generator
• 3-wire serial interface
• 8 kinds of time base/WDT selection
• Time base or WDT overflow output
• Built-in LCD display RAM
• R/W address auto increment
• Two selection buzzer frequencies (2kHz/4kHz)
• Power down command reduces power consumption
• Software configuration feature
• Data mode and Command mode instructions
• Three data accessing modes
• VLCD pin to adjust LCD operating voltage
• HT1623: 100-pin LQFP package