UPD64084 NEC, UPD64084 Datasheet - Page 32

• Manufacturer Part Number: UPD64084
• Description: THREE-DIMENSIONAL Y/C SEPARATION LSI WITH ON-CHIP MEMORY
• Manufacturer: NEC

directly input to the A/D converter of the PD64084 (see Figure 14-2).
32
When signals are input from video (composite or S input), the
C sync separation
Figure 14-2. Example of Digital Connection System without Ghost Reducer
generator
GR filter
ADC
f
SC
PD64031A
amplifier
Digital
clamp
(when signals are input from external source)
Delay
8f
PLL
SC
DO9 to DO0
CKMD
CLK8
ALTF
OCP
CSO
WP1
CLK8 input
and 8f
PLL stop
20 MHz
10-bit digital
composite
video signal
Data Sheet S16021EJ2V0DS
SC
DYCO9 to
DYCO0
ALTF
ST0
CSI
8f
f
Composite video signal input
SC
SC
Clamp pulse
4f
SC
f
generator
SC
/227.5f
separation
External pin input, etc.
PD64031A is not used, and the video signal is
ADC
Y/C
PD64084
3DYC/GR selection
H
1/2
Y/C video output
f
DAC
SC
8f
PLL
BPF
SC
DAC
CKMD
CLK8
PD64084