UPC1862GS NEC, UPC1862GS Datasheet - Page 2

• Manufacturer Part Number: UPC1862GS
• Description: BURST LOCK CLOCK GENERATOR
• Manufacturer: NEC

BLOCK DIAGRAM
Remark AFC : Automatic Frequency Control
2
H
Open
L
Selecting divide ratio by DIVS pin
In PAL, only correspond 4f
DIVS
ACC : Automatic Color saturation level Control
APC : Automatic Phase Control
SCO
SSI
36
H
sync
SEP
1
Phase
shift
LPF
CV
CSO
1/8
EXT IN with pin 18
1/4
35
2
CC1
VSSI
TINT
V
sync
SEP
34
Divide ratio
3
HDF
CIN
33
4
SC
ACC
DET
ACC
AMP
ACCF
HDO
(DIVS = L).
H DET
32
5
HKO
CKO
31
6
Color
Killer DET
SGND
CKF
30
7
HSOF1
COUT
H count down
V count down
29
8
32f
HSOF2
APCF
H
28
9
VCO
APC
HSOF3
CGND
27
10
SCOF1
AFCF
26
11
nf
AFC
SCOF2
SV
SC
25
12
2
VCO
f
CC
Selecting TV transmission by N/P pin
SCOF3
BGPE
H
L
24
13
N/P pin
NHSO
CV
23
14
4
f
CC2
CV
CPO
22
15
CC3
PAL
NTSC
VCOO
FIO
21
16
TV transmission
DIVS
VSO
20
17
ESCI
N/P
19
18
PC1862