ET6622
ET6622 is Peripheral device specially designed manufactured by Etek Microelectronics.
General Description ET6622 is a peripheral device specially designed for I/O type μC used to expand the display capability. The max. Display segment of the device are 256 patterns (32×8).The ET6622 is a memory mapping and multifunction LCD controller.
Features
- Operating voltage: 2.7V~5.2V
- Builtin 32 kHz RC oscillator
- 1/4bias, 1/8duty, frame frequency is 64Hz
- Max.32×8 patterns, 8 mons, 32 segments
- Builtin internal resistor type bias generator
- 3wire serial interface
- 8 kinds of time base/WDT selection
- Time base or WDT over flow output
- Builtin LCD display RAM
- R/W address auto increment
- Tow selectable buzzer frequencies (2kHz/4kHz)
- Power down mand reduces power ...
