■ DESCRIPTION

The FUJITSU MB90098A on-screen display controller is designed for use with LCD monitors, operates at a maximum dot clock frequency of 140 MHz, and provides demultiplexed output (2-pixel parallel output). The maximum display screen configuration is 32 characters × 16 rows, with a maximum resolution of 24 × 32 dots per character making the MB90098A ideal for use with SVGA, XGA, SXGA etc. LCD displays. A variety of display functions are enabled including sprite characters, background characters, graphics functions etc.

■ FEATURES

• Main screen display capacity Maximum 32 characters × 16 rows

• Character configuration L size : 24 dots (h) × 2h* dots (v)

M size : 18 dots (h) × 2h* dots (v)

S size : 12 dots (h) × 2h* dots (v) * : h = 9 to 16

L, M, S sizes can be selected by character

h can be set to 2 values per screen

• Character type 512 character types built in

• Display modes

Normal/graphic characters (set for each character)

Border display (horizontal border/pattern background)(set for each screen)

Character background (solid-fill/shaded)

Row background (solid-fill/shaded)

Enlarged (standard, double height, double width, double height & width)

Blinking : Select blinking character, period, duty ratio

• Sprite character display

(graphic display only)

Can display 1 block on main screen (Max. 2 characters wide × 2 high).

Only the first 256 characters can be used (code : 000H to 0FFH)

• Screen background character display (graphic display only)

Repeated pattern below main screen (Max. 2 characters wide × 2 high).

Only the first 256 characters can be used (code : 000H to 0FFH)

• Display color

Character color/background color

Row background/character border color

Screen background color

Graphic character dot color

Shadow background border color

• Display position control

Horizontal display start position

Vertical display start position

Row spacing control

• Character/color signal output

Choice of straight output or demultiplexed output

DA3-DA0 (color signal) , VOBA (OSD display period output signal)

DB3-DB0 (color signal) , VOBB (OSD display period output signal)

• Clock frequency

140 MHz

• Microcontroller interface

16-bit serial input (3 signal input pins)

• Package SOP-28

• Supply voltage +3.3 V