Z8623012SSG Datasheet, PDF (10/61 Pages) Zilog, Inc. – ADVANCED PROGRAM BLOCKING AND NTSC LINE 21 XDS DECODER

ARCHITECTURAL OVERVIEW
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM
VIDEO
CSYNC
Data Line
Sliced
Data Slicer Data
Lock
Buffer
Data CLK
Recovery
AW FEW
PG
H Lock
STG ^MSYNC
Dual Clamp
Slice Level
SYNC Slicer
BLOCK DIAGRAM AND OPERATIONAL OVERVIEW
V/I Ref
RREF
POR Ckt
NC
NC
SCLK
SDA
PB
INTRO
NRST
I²C SEL
Serial
Control Port
Test Reg
Status Reg
Data Bus
VW
Addr Bus
Command
Processor
Address
Decoder
RAM
HIN/XIN
H SEL
X_OUT
LPF
MSYNC
CG Lines COMP SYNC
CG Logic
O/S
PH1
PH2
OSC
Control
DCLK
FR & MUX I Dr & MUX
COMP
CLK DIV
DCLK
DIV
V Lock
CCLK
CW
MSGR
C CIR
FLD
LS
SLS
SFLD
Line & Field
Control
Line & Fld Dec
V_DD V_SS ^V_SS^(A)
10
Z86230—PRELIMINARY
PS000401-TVC0699