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Part Number: MB90050
Description: The MB90050 is an on-screen display controller for displaying text and graphics on the TV screen.<...
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MB90050
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DataSheet
General Description
MB90050 General Description
The MB90050 is an on-screen display controller for displaying text and graphics on the TV screen.
The MB90050 controls a display area of 35 characters by 16 lines, and provides each character composed of 24 × 32 dots at most. The display functions include a wealth of characters with qualifying functions such as character background shading (shadow casting) , sprite character functions and graphic character functions, contributing to the use of control GUI displays. The MB90050 incorporates display memory (VRAM) , character font ROM, and sync signal generation circuit and video signal generation circuit supporting the NTSC and PAL systems, allowing text and graphics to be displayed in conjunction with a small number of external components.
MB90050 Maximum Ratings
| Parameter | Symbol | Rating | Unit | Remarks | |
| Min. | Max. | ||||
| Power supply voltage*1 | VCC | VSS − 0.5 | VSS + 7.0 | V | *2 |
| AVCC1 | VSS − 0.5 | VSS + 7.0 | V | *2 | |
| AVCC2 | VSS − 0.5 | VSS + 7.0 | V | *2 | |
| Input voltage*1 | VIN | VSS − 0.5 | VCC + 0.5 | V | |
| Output voltage*1 | VOUT | VSS − 0.5 | VCC + 0.5 | V | |
| "L" level maximum output current | IOL | - | 15 | mW | |
| "H" level maximum output current | IOH | - | −15 | mA | |
| Power consumption | Pd | - | 500 | mW | |
| Operating temperature | Ta | −40 | +85 | °C | |
| Storage temperature | Tstg | 55 | +125 | °C | |
*2 : Do not make a potential difference between AVSS (AVSS1/AVSS2) pins and VSS pin.
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
MB90050 Features
• Main screen display capacity
35 characters × 16 lines (maximum 560 characters)
• Character configuration
Normal characters : 24 × 32 dots
Graphic characters : 12 × 16 dots* (colorable per 1 dot)
• Font display configuration
Three horizontal width settings (selectable setting L/M/S for each character) per character.
L size : 24 dots
M size : 18 dots
S size : 12 dots
Two vertical height settings (selectable A/B for each line) per line.
A : 18 to 32 dots (setting per 2 dots)
B : 18 to 32 dots (setting per 2 dots)
(These sizes are dot sizes of typical character. Each size of graphic characters uses half the number of dots
of typical characters. Note, however, that both of the typical and graphic characters are the same in character
area size.)
• Character types
Usable all 512 character types (font ROM+, font RAM)
Font ROM : 512 character types (all area user setting)
Font RAM : 8 character types (all area user command setting)
Capable of setting a specific eight-character area in font ROM so that the area is replaced with font RAM.
• Display modes
Character : Normal character/graphic character (set for each character)
Character trimming : Side trimming 1/side trimming 2/patern background 1/patern background 2
(set for each screen)
Character background : None/Solid-fill/Shaded background (concave) /Shaded background (convex)
(set for each character)
Line background : None/Solid-fill/Shaded background (concave) /Shaded background (convex)
(set for each line)
Character enlargement : Normal, Double width, Double height, Double width × double height (set for each line)
Brink : OFF/ON (set for each character)
• Main screen display position control
Horizontal display position : Control in 2-dot units (movable through the entire screen)
Vertical display position : Control in 2-dot units (movable through the entire screen)
Line spacing control : 0 to 14 dots, 2-dot units (set for each line)
Sprite character display control
Capable of displaying one block for an arbitrary character on the topmost layer on the screen.
Sprite character display : OFF/ON (graphic character display)
Sprite character types : 256 types (character codes 000H to 0FFH)
Sprite character configuration : 1 character/2 characters horizontal/2 characters vertical/
2×2 characters
Sprite character horizontal display position : Control in 1-dot units
Sprite character vertical display position : Control in 1-dot units
Screen background color display control
Capable of displaying an arbitrary color on the entire bottommost layer on the screen.
Screen background color display : OFF/ON
• Display colors
Digital output : 16 colors selectable from among 64 colors (built in palette circuit)
Video output : Any 16 colors selectable (Command setting enable)
• Display colors and setting units
Character color : 16 colors (set for each character)
Character background color : 16 colors (set for each character)
Character trimming color : 16 colors (set for each line)
Line background color : 16 colors (set for each line)
Graphic character color : 16 colors (set for each dot)
Sprite character color : 16 colors (set for each dot)
Screen background character color : 16 colors (set for each dot)
Screen background color : 16 colors (set for all screen)
Shaded background frame highlight color : 16 colors (set for all screen)
Shaded background frame shadow color : 16 colors (set for all screen)
• Digital display signal output
Color signal output : DCOL5 to DCOL0 pins (6 bits)
Display period signal output : DB pin
Translucent display period signal output : DH pin
• Analog (video) signal input/output
Composit video input/output : VIN, VOUT pins
Y/C video input/output : YIN, YOUT pins, CIN, COUT pins
• Internal sync control
Internal sync signal generator and video signal generator supporting the NTSC and PAL systems.
• External interface
16-bit serial input (3-signal input)
Chip select signal
Serial clock signal
Serial data signal
• Package
QFP-48P (FPT-48P-M15)
• Supply voltage
+5 V±10%
* : 1 dot of graphic characters is the same size as 2 × 2 dots of normal characters.
35 characters × 16 lines (maximum 560 characters)
• Character configuration
Normal characters : 24 × 32 dots
Graphic characters : 12 × 16 dots* (colorable per 1 dot)
• Font display configuration
Three horizontal width settings (selectable setting L/M/S for each character) per character.
L size : 24 dots
M size : 18 dots
S size : 12 dots
Two vertical height settings (selectable A/B for each line) per line.
A : 18 to 32 dots (setting per 2 dots)
B : 18 to 32 dots (setting per 2 dots)
(These sizes are dot sizes of typical character. Each size of graphic characters uses half the number of dots
of typical characters. Note, however, that both of the typical and graphic characters are the same in character
area size.)
• Character types
Usable all 512 character types (font ROM+, font RAM)
Font ROM : 512 character types (all area user setting)
Font RAM : 8 character types (all area user command setting)
Capable of setting a specific eight-character area in font ROM so that the area is replaced with font RAM.
• Display modes
Character : Normal character/graphic character (set for each character)
Character trimming : Side trimming 1/side trimming 2/patern background 1/patern background 2
(set for each screen)
Character background : None/Solid-fill/Shaded background (concave) /Shaded background (convex)
(set for each character)
Line background : None/Solid-fill/Shaded background (concave) /Shaded background (convex)
(set for each line)
Character enlargement : Normal, Double width, Double height, Double width × double height (set for each line)
Brink : OFF/ON (set for each character)
• Main screen display position control
Horizontal display position : Control in 2-dot units (movable through the entire screen)
Vertical display position : Control in 2-dot units (movable through the entire screen)
Line spacing control : 0 to 14 dots, 2-dot units (set for each line)
Sprite character display control
Capable of displaying one block for an arbitrary character on the topmost layer on the screen.
Sprite character display : OFF/ON (graphic character display)
Sprite character types : 256 types (character codes 000H to 0FFH)
Sprite character configuration : 1 character/2 characters horizontal/2 characters vertical/
2×2 characters
Sprite character horizontal display position : Control in 1-dot units
Sprite character vertical display position : Control in 1-dot units
Screen background color display control
Capable of displaying an arbitrary color on the entire bottommost layer on the screen.
Screen background color display : OFF/ON
• Display colors
Digital output : 16 colors selectable from among 64 colors (built in palette circuit)
Video output : Any 16 colors selectable (Command setting enable)
• Display colors and setting units
Character color : 16 colors (set for each character)
Character background color : 16 colors (set for each character)
Character trimming color : 16 colors (set for each line)
Line background color : 16 colors (set for each line)
Graphic character color : 16 colors (set for each dot)
Sprite character color : 16 colors (set for each dot)
Screen background character color : 16 colors (set for each dot)
Screen background color : 16 colors (set for all screen)
Shaded background frame highlight color : 16 colors (set for all screen)
Shaded background frame shadow color : 16 colors (set for all screen)
• Digital display signal output
Color signal output : DCOL5 to DCOL0 pins (6 bits)
Display period signal output : DB pin
Translucent display period signal output : DH pin
• Analog (video) signal input/output
Composit video input/output : VIN, VOUT pins
Y/C video input/output : YIN, YOUT pins, CIN, COUT pins
• Internal sync control
Internal sync signal generator and video signal generator supporting the NTSC and PAL systems.
• External interface
16-bit serial input (3-signal input)
Chip select signal
Serial clock signal
Serial data signal
• Package
QFP-48P (FPT-48P-M15)
• Supply voltage
+5 V±10%
* : 1 dot of graphic characters is the same size as 2 × 2 dots of normal characters.
MB90050 Connection Diagram
MB90050
PDF/DataSheet Download
- Datasheet: MB90050
- File Size: 760910 KB
- Manufacturer: FUJITSU [Fujitsu Media Devices Limited]
- Click here to Download
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