UPD6467 Ver la hoja de datos (PDF) - NEC => Renesas Technology

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componentes Descripción

Fabricante

UPD6467

ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER,12-ROW, 28-COLUMN, CAMERA-CONTAINED VCR

NEC => Renesas Technology 

BLOCK DIAGRAM

CMDCT 6

DATA 3

CLK 1

CS 2

Display

control

register

Data input shift

register

Instruction decoder

Control signals

Character size

register

Horizontal

address

register

Horizontal size

counter

Horizontal

position

counter

Write

address

counter

Horizontal

address

counter

Video RAM

Character Color Blink Reverse Output

data

data

data

data specification

9 bits 3 bits 1 bit

1 bit data 1 bit

×

×

×

×

×

336 words 336 words 336 words 336 words 336 words

9 TEST

5 VDD

10 GND

4 PCL

Back-

ground

control

data

register

OSCIN 8

OSCOUT

7

Oscilla-

tion

circuit

Hsync 20

Vsync 19

Synchro-

nization

protection

circuit

Vertical size

counter

Vertical

address

register

Vertical

position

counter

Vertical

address

counter

Character

generator

ROM

12×18 bits

×

512 words

Output controller

16 17 18 15

VR VG VB VBLK

(BBLK)

12 11 14 13

VC1 BLK1 VC2 BLK2

(GBLK)

(RBLK)

Remark Signals in ( ) are set by using an initial status setting command (RGB + RGB compatible blanking).

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