ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER,

12-ROW, 28-COLUMN, CAMERA-CONTAINED VCR

FEATURES

• Number of display characters : 12 rows, 28 columns (336 characters)

• Types of character : 512 types (ROM). Changeable by using mask code option.

• Character size : Can be expanded up to four-fold in vertical and horizontal directions

independently, in units of lines.

• Number of character colors : 8 colors

• Framing : Framing or no framing, or white or black framing selectable in screen units.

• Dot matrix : 12 (horizontal) × 18 (vertical) dot configuration. No gap between adjacent

characters.

• Blinking : Blinking can be turned ON/OFF in character units. The blinking ratio is 1:1.

The blinking frequency can be selected from about 1 Hz, about 2 Hz, and

about 0.5 Hz in screen unit.

• Character color reversing function : The color of the character and that of the background can be reversed.

• Character left and right reverse : Left and right can be reversed for display in character units.

• Background : No background, blank background, or filled background selectable in screen units.

• Blue back function : Blue or white can be selected as the background.

• External dot clock input : Frequency 2-divide function is selectable.

• Signal output : 3 sets (output (1) R, G, B + BLK/VC1 + VBLK1/VC2 + VBLK2 and output (2) R +

RBLK/B + BBLK/G + GBLK selectable by command)

When output (1) is selected, VC1 and VC2 outputs can be selected from three types.

• Video RAM data clear : Implemented by video RAM batch clear command or by clear function on

power-ON.