UPD6467 Datasheet, PDF (27/68 Pages) NEC – ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER, 12-ROW, 28-COLUMN, CAMERA-CONTAINED VCR

µPD6467
3.4 3-Channel Independent Display ON/OFF Command
This command can turn ON/OFF the display of character output of 3 channels independently.
(1) With MSB first (The command is input from MSB (D7).)
(MSB)
(LSB)
D7 D6 D5 D4 D3 D2 D1 D0
0
1
1
1
0 DOA DOB DOC
With support of RGB/VC1/VC2 output selected
With R/G/B/3BLK output selected
Control bit
0
DOA
1
0
DOB
1
0
DOC
1
Control bit
0
DOA
1
DOB –
DOC –
Function
RGB display OFF
RGB display ON
VC1 display OFF
VC1 display ON
VC2 display OFF
VC2 display ON
Function
Character display OFF
Character display ON
Don't care
Don't care
(2) With LSB first (Use of each bit is the same as (1). The command is input from LSB (D0).)
(LSB)
(MSB)
D0 D1 D2 D3 D4 D5 D6 D7
DOC DOB DOA 0 1 1 1 0
• Displaying the character signal of the 3 channels (RGB, VC1, and VC2) can be independently turned ON/
OFF.
When RGB + RGB compatible BLK is selected, it is controlled by the display ON/OFF command.
• Turning ON display each output channel by using this command is valid only when the display is turned
ON by the display control command.
• If the display is turned OFF by the display control command, the display remains OFF even if it is specified
to be ON by this command.
Data Sheet S14455EJ1V0DS00
27