UPD6461GS データシートの表示（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

1.3 APPLICATION BLOCK DIAGRAMS

Example of application to a camcorder (1) (in RGB+VC1+VC2 mode)

(The VR, VG, VB, VBLK, VC1, BLK1, VC2, and BLK2 pins are used.)

DATA

CLK

CS

PCL

µPD6461, 6462

Hsync

Vsync

RGB channel

Image

VC2 channel Character addition circuit

Character addition

circuit

Image + characters

Color viewfinder

Recording system

(deck)

VC1 channel

Character addition

circuit

Monitor terminal

(video signal output)

RGB channel: VR, VG, VB, VBLK VC1 channel: VC1, BLK1 VC2 channel: VC2, BLK2

Example of application to a camcorder (2) (in RGB+3BLK mode for RGB compatible blanking)

(The VR, VG, VB, RBLK, GBLK, and BBLK pins are used.)

DATA

CLK

CS

PCL

Hsync

Vsync

R channel

Image

µPD6461, 6462

G channel Character addition circuit

Character addition

circuit

Image + characters

Color viewfinder

Recording system

(deck)

B channel

R channel: VR, RBLK

Character addition

circuit

G channel: VG, GBLK

Monitor terminal

(video signal output)

B channel: VB, BBLK

10

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