
RAIO
Overview
The RA8835 is a controller IC that can display text and graphics on LCD panel. It can display layered text and graphics, scroll the display in any direction and partition the display into multiple screens. It also stores text, character codes and bitmapped graphics data in external frame buffer memory. Display controller functions include transferring data from the controlling microprocessor to the buffer memory, reading memory data, converting data to display pixels and generating timing signals for the buffer memory, LCD panel.
FEATUREs
◆ Text, graphics and combined text/graphics display modes
◆ Three overlapping screens in graphics mode
◆ Up to 640 X256 pixel LCD panel display resolution
◆ Programmable cursor control
◆ Smooth horizontal and vertical scrolling of all or part of the display
◆ 1/2-duty to 1/256-duty LCD drive
◆ Up to 640 X256 pixel LCD panel display resolution memory
◆ 160, 5 X7 pixel characters in internal maskprogrammed character generator ROM
◆ Up to 64, 8 X 16 pixel characters in external character generator RAM
◆ Up to 256, 8 X 16 pixel characters in external character generator ROM
◆ 6800 and 8080 family microprocessor interfaces
◆ Low power consumption—3.5 mA operating current (VDD = 3.5V), 0.05μA standby current
◆ Package:
RA8835P3N: QFP-60 pin (Lead Free)
RA8835P4N: TQFP-60 pin (Lead Free)
◆ Power: 2.7 to 5.5 V