TDA9321 데이터 시트보기 (PDF) - Philips Electronics
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TDA9321 Datasheet PDF : 44 Pages
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VIF1
2
VIF2 DECVIF VIFPLL
34
6
SIF1 SIF2 DECSIF QSS/AM VP1 VP2 DECDIG DECBG PH1LF HA/CLP SCO
63 64 1
5
11 45 33
35
58
60
59
VIFVCO1 7
VIFVCO2 8
TAGC 62
VIF AMPLIFIER
AND PLL
DEMODULATOR
AGC/AFC
SIF AMPLIFIER
AGC
SUPPLY
PULSE
GENERATOR
AFC
TOP
SOUND VIFO 10 VIDEO AMPLIFIER
TRAP
MUTE
QSS MIXER
AM DEMODULATOR
GDI 12
GDO 13
CVBSint 14
AV1 15
CVBS1 16
AV2 17
CVBS2 18
SW0 19
CVBS/Y3 20
C3 21
SW1 22
CVBS/Y4 23
C4 24
AS 48
mute
GROUP DELAY
CORRECTION
switch control
VIDEO SWITCHES
AND
CONTROL
Y/CVBS
TDA9321H
IDENT
VIDEO
IDENTIFICATION
AUTOMATIC
CHROMINANCE
CONTROL
Y/C
DETECTOR
VCO AND
HORIZONTAL
PLL
SYNC
SEPARATOR
CLOCHE
FILTER
BANDPASS
FILTER
VA
61
VERTICAL
DIVIDER
VERTICAL
SYNC
SEPARATOR
SCL
SDA
46
47
I2C-BUS
TRANSCEIVER
Y-delay
Y
Y-DELAY
RI1 GI1 BI1 RGB1
36 37 38 39
RGB MATRIX
41 RI2
42 GI2
43 BI2
40 RGB2
YUV
Y/U/V
SWITCH
49 YO
50 UO
51 VO
SYNC
IN-LOCK
DETECTOR
Y
Y-SWITCH
AND TRAPS
helper
U
V
BASEBAND
DELAY LINE
R-Y
B-Y
FILTER
TUNING
fsc
hue
SECAM
DECODER
PAL(NTSC)/
SECAM SWITCH
53 DECSEC
PAL/NTSC
PLL
HUE CONTROL
SYSTEM
IDENTIFICATION
PAL/NTSC
DEMODULATOR
34
32
26
25 27 28 29
CVBSTXT CVBSPIP CVBSCF SYS1 SYS2 YCF CCF
9
31
44
GND1 GND2 GND3
30 54 55 56 57 52
REFO
LFBP
MGR473
COMB FILTER
subcarrier
Fig.1 Block diagram.
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