For Video Equipment
MN6761S
External Synchronization Control LSI for Color Video Cameras
Overview
The MN6761S is an external synchronization control
LSI for color video cameras.
When used in combination with a synchronizing signal
generator (MN67601NS or MN67602PS), it provides
external synchronization control for NTSC and PAL video
systems.
Pin Assignment
SCPSW1
SCPSW2
WHD
N/P
BGP
GLBSC
V
SS2
V
DD2
GLSYNC
TEST2
f
HP
HPCO
Xf
H
OSCI
Xf
H
OSCO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
4f
SC
4f
SC
OSCO
4f
SC
OSCI
SOPCO
SC1
V
DD1
V
SS1
TEST1
HBLK
EXT/INT
LSWCONT
LSW
VR
Xf
H
Features
Synchronization of both the video camera and the
VCR
External synchronization inputs:
Composite synchronizing signal and burst
subcarrier
External synchronization techniques
• Horizontal synchronization: phase-locked loop
• Vertical synchronization: reset technique
• Subcarrier synchronization: phase-locked loop
Support for both NTSC and PAL systems
Built-in feature for automatically switching between
external and internal synchronization
Built-in horizontal phase adjustment circuit
(TOP VIEW)
SOP028-P-0375
Applications
Color video cameras
PANASONIC [ PANASONIC SEMICONDUCTOR ]
