
2
7
P
P
P
S
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VERTICAL
SCALER AND
ANTI-FLICKER
FILTER
FIFO
HORIZONTAL
SCALER
DECIMATOR
4 : 4 : 4 to 4 : 2 : 2
(OR BYPASS)
TRIPLE
DAC
BLUE_CB_CVBS
GREEN_VBS_CVBS
RED_CR_C
C6
C7
C8
HSM_CSYNC
VSM
D8
D7
VIDEO
ENCODER
BORDER
GENERATOR
CURSOR
INSERTION
RGB TO Y-C
B
-C
R
MATRIX
(OR BYPASS)
RGB LUT
(OR BYPASS)
I
2
C-BUS
CONTROL
OSCILLATOR/
DTO
TIMING
GENERATOR
G1
A6
XTALOe
A5
XTALIe
C3
FSVGC
VSVGC
27 MHz
TTX_SRES
HSVGC
CBO
TTXRQ_XCLKO2
F1
G3
G2
SDAe
SCLe
E2
D2
E3
C4
CGC
LOW-PASS
INPUT
FORMATTER
V
DDAe
A10, B6,
B9, C9,
D9
C1, C2, B1,
B2, A2, B4,
B3, A3, F3,
H1, H2, H3
V
DDXe
D6
F2
PD11 to
PD0
PIXCLKI
G4
PIXCLKO
V
DDEe
F4
V
DDIe
D4
V
SSAe
B8
V
SSXe
A8
V
SSEe
E4
V
SSIe
C5,
D5
DUMP
A7,
B7
RSET
A9
TDIe
B5
TRSTe
A4
TCKe
E1
TMSe
D3
TDOe
D1
mhb902
SAA7108E
SAA7109E
RESET
Fig.2 Block diagram (video encoder part).