UPD6461GS Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD6461GS

CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY (12 ROWS × 24 COLUMNS)

NEC => Renesas Technology 

µPD6461, 6462

3.5 CHARACTER REVERSE ON/OFF COMMAND

This command specifies whether all characters displayed on the screen are reversed.

(1) For MSB-first transfer (Command bits are input starting from the MSB (D7).)

(MSB)

(LSB)

D7 D6 D5 D4 D3 D2 D1 D0

0

0

1

1

1

0

0 BCRE

Control bit

BCRE 0

1

Function

Does not reverse characters.

Reverses characters.

(2) For LSB-first transfer (Command bits are input starting from the LSB (D0). The function of each bit is the same as

that for MSB-first transfer.)

(LSB)

(MSB)

D0 D1 D2 D3 D4 D5 D6 D7

BCRE 0

0

1

1

1

0

0

Each character is reversed only when reversing of the character is enabled with the displayed character control

command.

• Example of reversed character (uppercase letter “I”)

When not reversed

When reversed

Background color or image (where dots

are not filled in the character pattern)

Character color

when not reversed

Character color (where dots are filled

in the character pattern)

Black

Remark When the character is not reversed, one of eight colors can be selected for the background color for the RGB

channel. For the VC1 and VC2 channels, which can display only white or black, the background is always black

(characters are white).

When characters are rseversed for the VC1 or VC2 channel, the display is as follows:

• Example of reversed character for VC1 or VC2 channel (uppercase letter “I”)

When not reversed

When reversed

Background color (black) or image (where

dots are not filled in the character pattern)

Character color when

not reversed: White

Character color: White (where dots

are filled in the character pattern)

Black

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