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MB90091A

Features: • Screen display capacity : Up to 24 characters x 12 lines (288 characters)• Font size : 24 x 32 dots (horizontal x vertical)• Font types : 512 different characters (character codes 000H to 1FFH) 8 different sprite characters (character codes 1F8H to 1FFH)(Internal or e...

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SeekIC No. : 004413812 Detail

MB90091A: Features: • Screen display capacity : Up to 24 characters x 12 lines (288 characters)• Font size : 24 x 32 dots (horizontal x vertical)• Font types : 512 different characters (char...

MB90091A Data Sheet

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Part Number:
MB90091A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/22

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Product Details

Description



Features:

• Screen display capacity : Up to 24 characters x 12 lines (288 characters)
• Font size : 24 x 32 dots (horizontal x vertical)
• Font types : 512 different characters (character codes 000H to 1FFH)
   8 different sprite characters (character codes 1F8H to 1FFH)
   (Internal or external ROM selectable)
• Display modes : Trimmed display (pattern background 0, 1, or none)
   Character background (settable for each character)
   Shaded background (settable for each character)
• Sprite character display : Capable of displaying one character (selectable from among 8 types of characters)
   on the screen
   Sprite character colors : 8 colors
   Sprite trimming colors : 8 colors
   Sprite display position : Settable in 2-dot units on the screen
• Character sizes : Normal, double width, double height, double width x double height, quadruple
   width, quadruple width x double height
   (Set for each line)
• Display colors : Character color : 16 colors (set for each character)
   Trimmed background color : 16 colors (set for each line)
   Character background color : 16 colors (set for each character)
   Screen background color : 16 colors
• Display position control : Horizontal display start position : Set in 8-dot units
   Vertical display start position : Set in 2-dot units
   Line spacing control : Set in 2-dot units (0 to 30 dots)
• Character/color signal output : ROUT, GOUT, BOUT, IOUT (color signals)
   COLOR (color/monochrome control signal)
   VOB1 (character + pattern background + character background + screen
   background: all-output signal)
   VOB2 (character + pattern background + character background: specifiedcharacter
   output signal)
• Supported TV systems : NTSC, PAL, double-scan NTSC, double-scan PAL, 1250HDTV, 1125HDTV,
   etc.
    Personal computer monitor display systems such as VGA
• Intelligent features : Automatic control of operation using on command table ROM
   Command table ROM: Internal 32K bytes + external 32K bytes available
• Microcontroller/microcomputer interface : 8-bit serial input (3 signal input pins
   Chip select: SCS   
   Serial clock: SCLK
   Serial data: SIN
• Package : SH-DIP-64, QFP-64
• Miscellaneous : Power-on reset circuit integrated


Pinout

Connection Diagram


Specifications

                                                                                                          (VSS = AVSS = 0 V)
Parameter Symbol Rating Unit
Min. Max.
Power supply voltage *1 VCC VSS 0.3 VSS + 7.0 V
AVCC VSS 0.3 VSS + 7.0 V
Input voltage *2 VIN VSS 0.3 VSS + 7.0 V
Output voltage *3 VOUT VSS 0.3 VSS + 7.0 V
Power consumption Pd - 500 mW
Operating temperature Ta 0 + 70 °C
Storage temperature Tstg 55 + 150 °C
*1: AVCC and VCC must have equal potential.
*2: Neither VIN nor VOUT must exceed "VCC + 0.3 V".
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.


Description

The MB90091A is the multisync, on-screen display controller that supports a variety of TV systems such as NTSC, PAL, double-scan NTSC, double-scan PAL, 1250HDTV, and 1125HDTV as well as personal computer monitor display systems such as VGA and XGA.

The MB90091A contains display memory (VRAM) and character font ROM, allowing characters to be displayed with few external devices. The device also contains command table ROM storing display command data, minimizing the load on the microcomputer.

The on-screen display configuration is up to 24 characters ´ 12 lines, with each character consisting of 24 × 32 dots. The font ROM integrates 512 different character patterns.

The character signal output is an RGB1 digital output. The display color of each MB90091A can be specified from among 16 colors. A color/monochrome select signal output is also provided for display either in 16 different colors or in 16-level gray scale.

The character display functions include character background display, shaded background display, and sprite character display functions, contributing to providing colorful display screens.




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