MB90098A データシートの表示（PDF） - Fujitsu

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コンポーネント説明

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MB90098A

On-Screen Display Controller

Fujitsu 

MB90098A

• Command 2 (Character data setting 2)

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

0 0 1 0 MR MG MBL M8 M7 M6 M5 M4 M3 M2 M1 M0

MR : Shaded background succeeding character merge control

(0 : Not merged with succeeding character)

(1 : Merged with succeeding character)

M8-M0 : Character code

MG : Character/graphic character control

(0 : Character, 1 : Graphic character)

MBL : Blink control (0 : Off, 1 : On)

[Function]

This command writes the character data set by the character data setting 1 command (command 1) together

with the settings in this command, to VRAM at the address specified by the VRAM write address setting command

(command 0) .

After this command is executed, the VRAM write address is automatically incremented.

[Additional information]

• Setting the blink control bit to “On” (MBL = 1) causes the display to blink according to the setting of the screen

output control 2 (command 5-1) BT1, BT0, BD1, BD0 bits.

• The shadow background right character combination control bit (MR) is used only with characters for which

the shadow background is specified by the character data setting 1 (command 1) bit (MM1 = 1) .

(Caution)

• At power-on, the contents of VRAM are undefined. Be sure to set all RAM data before the display is started.

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