UPD6461GS datasheet(3/60 Pages) NEC

tên linh kiện	UPD6461GS

Giải thích chi tiết về linh kiện	CMOS LSI CHIP FOR CAMCORDER ON-SCREEN CHARACTER DISPLAY 12 ROWS x 24 COLUMNS

PDF	60 Pages

Scroll/Zoom	100%

nhà sản xuất	NEC [NEC]

Trang chủ	http://www.nec.com/

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3 / 60 page

Remark Signals in (

) are set by a mask option (RGB + RGB compatible blanking).

DATA

CLK

CKOUT

OSCIN

OSCOUT

Hsync

Vsync

TEST

VDD

GND

PCL

Data input shift

Instruction decoder

Control signals

Character size

Horizontal address

display position

Write address

counter

Video RAM

Char-

acter

data

8 bits

× 288

words

Color

data

3 bits

× 288

words

Blink

data

1 bit

× 288

words

Re-

verse

data

1 bit

× 288

words

Out-

put

speci-

fication

data

1 bit

× 288

words

Back-

ground

control

data

Display

control

data

Horizontal size

counter

Horizontal

position counter

Horizontal address

counter

Oscil-

lator

Vertical address

display position

Character

generator ROM

× 18 bits

× 256 words

( PD6461)

× 128 words

( PD6462)

Synchro-

nization

protection

circuit

Vertical size

counter

Vertical position

counter

Vertical address

counter

VB VBLK VC1 BLK1 VC2 BLK2

Output controller

(BBLK)

(RBLK)

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