UPD6466 datasheet(18/70 Pages) NEC

18 / 70 page

µPD6466

1.3.4 Displaying characters specified by VC2

The characters specified by VC2 by the display character control command are not output to the RGB and VC1 output

channels (the RGB and VC1 output channels displayNote the same manner as when Display Off Data is written).

Therefore, even if a background is specified by the RGB and VC1 output channel (no background/filled background),

no background is displayed at the specified portion.

Note

The display is slightly different from Display Off Data.

Filling data: Character filling all 12

× 18 dots

•

When Display Off Data is displayed with RGB, VC1, and VC2

channel

In the case of Display Off Data, framing (or background, if any) of

adjacent characters is displayed with the framing or background

overlapping the area of Display Off Data by one dot of the minimum

size (the framing overlaps the area of Display Off Data, when there

are dots at the leftmost or rightmost position of the adjacent character

area).

•

Displaying character area specified by VC2 with RGB and VC1

channels

In the case of a character specified by VC2, the framing of the adjacent

characters is displayed with the framing overlapping the VC2-specified

character area by one dot of the minimum size, but the background

does not overlap to the VC2-specified area.

•

Displaying VC2-specified character area with VC2 channel

Even if the VC2-specified character exists with the VC2 output, the

framing also overlaps the adjacent character area, but the background

does not (the framing overlaps the VC2-specified character area, when

there are dots at the leftmost or rightmost position of the adjacent

character area).

•

If VC2 character specification area exists at the edge of display

area

(The figure shows the leftmost position of the display area. The same

applies to the rightmost position of the display area.)

Portion output with framing or background overlapping

(Width is 1 dot of the minimum character width.)

Portion where framing overlaps

Portion where background overlaps

(1)-(5)

(2)-(5)

The background is not output overlapping the VC2-specified character

area.

Filling

Data

Display

Off

Data

Filling

Data

Filling

Data

VC2-specified

character

area

Filling

Data

Display

Off

Data

Display

Off

Data

VC2-specified

character

area

Filling

Data

Filling

Data

Filling

Data

Filling

Data

(1)

(3)

(4)

(5)

(2)

UPD6466 Datasheet(PDF) 18 Page - NEC

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