ML9477 Overview
The ML9477 is an LCD driver for dynamic display. It has a function to switch between 1/3 and 1/4 duty. When 1/4 duty is selected, an LCD of up to 128 segments can be driven directly;.
ML9477 Key Features
- Logic power supply voltage : 2.7 to 3.6 V, 4.5 to 5.5 V
- Driver power supply voltage : 3.5 to 5.5 V
- Operatin g temperature : 40 to +105°C
- 32 segment outputs 1/4 duty : Up to 128 segments can be displayed. 1/3 duty : Up to 96 segments can be displayed
- Serially interfaces with the CPU using the three signal lines of LOAD, DATA_IN, and CLOCK
- Built-in RC oscillator circuit for LCD AC drive (the CLKSEL pin allows selecting an external clock input)
- Built-in voltage-dividing resistor for bias voltage generation
- Package : 48-pin plastic TQFP (TQFP48-P-0707-0.50-K)