General Description
KD83 is a gray-scale LCD Segment Extender which, when used with KB’s MCU with LCD Segment Extender interface, can expand the capacity of LCD driver. It is a 16 gray-scale, 4 gray-scale, and black and white LCD Segment Driver. This chip interfaces with KB’s MCU with provisions of Segment Extender Interface LFR and CCK. KB’s MCUs control KD83 through a command interface. The MCU can read/write display patterns to graphic mode display RAM by first setting up the target address, selecting the driver configuration, and then enabling the driver. KD83 can support five different LCD configurations: 16, 32, 48, 64 and 80 COM selectable by command register. The KD83 uses some of the memory as display RAM, while the memory not used for display can be access as general-purpose memory.

FEATUREs
✓ Graphic mode Gray-scale LCD Display 80 segment Extender.
✓ Command mode interface.
✓ Support 16 gray scale, 4 gray scale and Black/White LCD display.
✓ 5 LCD Configurations: 16, 32, 48, 64, or 80 COM LCD.
✓ Operating Range: 2.4V ~ 3.6V
✓ Dual Port display RAM: 5K Bytes
✓ Spare RAM for general purpose.