■ 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