■ 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