LC74799 - Sanyo Semicon Device

LC74799 On-Screen Display Controller

Pin No. 1 2 Pin name VSS1 XtalIN Crystal oscillator 3 XtalOUT (MUTE) (MUTE input) Ground Function Ground connection (digital system ground) These pins are used either to connect the crystal and capacitors used to form an external crystal oscillator circuit to generate the internal synchronizing signals, or to input an external clock signal (2fsc or 4fsc). A.

Features

• Display format: 24 characters by 12 rows (Up to 288 characters)
• Character format: 12 (horizontal) × 18 (vertical) dots
• Character sizes: Three sizes each in the horizontal and vertical directions
• Characters in font: 128
• Initial display positions: 64 horizontal positions and 64 vertical positions
• Blinking: Specifiable in character units
• Blinking types: Two periods supported: 1.0 second and 0.5 second
• Blanking: Over the whole font (12 × 18 dots)
• Background color — 8 colors (internal synchronization mode): 4fSC — 6 colors (internal synchronization mode): 2fSC — Blue background on.