UPD6461GS NEC [NEC], UPD6461GS Datasheet - Page 26

• Manufacturer Part Number: UPD6461GS
• Description: CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY 12 ROWS x 24 COLUMNS
• Manufacturer: NEC [NEC]

26
3.5 CHARACTER REVERSE ON/OFF COMMAND
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).)
(2) For LSB-first transfer (Command bits are input starting from the LSB (D0). The function of each bit is the same as
Each character is reversed only when reversing of the character is enabled with the displayed character control
• Example of reversed character (uppercase letter “I”)
Remark When the character is not reversed, one of eight colors can be selected for the background color for the RGB
• Example of reversed character for V
that for MSB-first transfer.)
(MSB)
BCRE
(LSB)
When not reversed
When not reversed
D0
D7
0
channel. For the V
(characters are white).
When characters are rseversed for the V
D1
0
D6
0
D2
0
D5
1
D3
1
Background color or image (where dots
are not filled in the character pattern)
Character color (where dots are filled
in the character pattern)
C1
D4
Background color (black) or image (where
dots are not filled in the character pattern)
Character color: White (where dots
are filled in the character pattern)
1
and V
D4
1
D3
1
C2
channels, which can display only white or black, the background is always black
D5
1
C1
D2
0
or V
D6
0
C2
D1
0
channel (uppercase letter “I”)
(MSB)
C1
D7
0
or V
BCRE
(LSB)
D0
C2
channel, the display is as follows:
BCRE
Control bit
When reversed
When reversed
0
1
Does not reverse characters.
Reverses characters.
Function
Character color when
not reversed: White
Black
Character color
when not reversed
Black
PD6461, 6462