MB90098A データシートの表示（PDF） - Fujitsu

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MB90098A

On-Screen Display Controller

Fujitsu 

MB90098A

• Command 13-0 (Input/Output Pin Control 1)

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

1 1 0 1 0 0 0 VHE HE 0 0 0 0 0 DBX DCX

VHE : HSYNC edge selection for vertical sync detection

(0 : Leading edge, 1 : Trailing edge)

HE : Edge selection for horizontal sync operation

(0 : Trailing edge, 1 : Leading edge)

DCX : Display color signal output logic control

(0 : Positive logic, 1 : Negative logic)

DBX : Display output period signal output logic control

(0 : Positive logic, 1 : Negative logic)

[Function]

This function controls the input/output pins.

[Additional Information]

• Vertical vibration phenomena can be avoided by adjusting the input phase timing of the vertical sync signal

and horizontal sync signal, using the VHE bit to select the HSYNC edge for vertical sync detection.

• Command 13-1 (Input/Output Pin Control 2)

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

1 1 0 1 0 1 0 0 0 0 0 0 0 IHX IVX IDX

IHX : Horizontal sync signal input logic control

(0 : Negative logic, 1 : Positive logic)

IVX : Vertical sync signal input logic control

(0 : Negative logic, 1 : Positive logic)

IDX : Display period signal logic control

(0 : Positive logic, 1 : Negative logic)

[Function]

This function controls the input pins.

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