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UPC1830 Datasheet(PDF) 3 Page - NEC

Part # UPC1830
Description  FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM
PDF  44 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPC1830 Datasheet(HTML) 3 Page - NEC

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µPC1830
3
2. BLOCK DIAGRAM
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R
G
B
Mode
switch
Sync.
separate
V filter
H sync.
detect
H/V count
32 fH VCO
AFC wave
detect
Clamp
chroma
trap
Separate/composite switch
Separate/composite
switch, ACC amp.
subcolor control
Delay
HD, VD, blanking pulse,
killer output buffer
chroma
BPF
Contrast
control
LPF
Y, R-Y, B-Y
output buffer
R-Y, B-Y
modulate
Filter f0
adjust
3.58 MHz/4.43 MHz
VCXO, PAL SW
APC, killer detect,
IDENT detect
RGB output
buffer
NTSC/PAL
matrix
Tint control
Amp. color
control
Y, R-Y, B-Y
input clamp
Killer
detect
BLK
HD
VD
Y
R-Y B-Y
R-Y
B-Y
Y
+
+
+
VCC
+
VCC
Color
control
50/60
VCC
VCC
+
VCC
+
Contrast
control
Sub color
control
Separate/
composite
switch
+
+
3.58/4.43
NTSC/PAL
VCC
CVBS
Separate
chroma
RG
B
R-Y B-Y G-Y
R-Y
B-Y
R-Y
B-Y
Killer
R-Y B-Y
B-Y
R-Y
Y
Y
V
H
BLK
V
H
CfSC
fSC
C
Clamp
pulse



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