UPC1830GT Просмотр технического описания (PDF) - NEC => Renesas Technology

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Компоненты Описание

производитель

UPC1830GT

FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM

NEC => Renesas Technology 

2. BLOCK DIAGRAM

µPC1830

VCC

CVBS

3.58/4.43

NTSC/PAL

VCC

Separate/

composite

switch

Sub color

control

Separate

+

Contrast

V control

CC

VCC

chroma

+

+

+

+

Clamp

B G R pulse

42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22

Mode

switch

Sync.

separate

Clamp

Separate/composite

switch, ACC amp.

subcolor control

C

Filter f0

adjust

3.58 MHz/4.43 MHz

VCXO, PAL SW

fSC

RGB output

buffer

RGB

V filter

H sync. V

detect

chroma

trap

chroma

BPF

Separate/composite switch

APC, killer detect,

IDENT detect

C R-Y, B-Y fSC

modulate

NTSC/PAL

matrix

R-Y B-Y G-Y

Tint control

H

V

H/V count

H

BLK

32 fH VCO

AFC wave

detect

Delay

Contrast

Y control

R-Y B-Y

LPF

HD, VD, blanking pulse,

killer output buffer

Y R-Y B-Y

Y, R-Y, B-Y

output buffer

Killer

R-Y B-Y

Amp. color

control

R-Y B-Y

Y, R-Y, B-Y

input clamp

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

50/60

Killer BLK HD VD Y R-Y B-Y

detect

Y

+

+

VCC

+

VCC

R-Y B-Y

Color

control

3

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