adv7189b Analog Devices, Inc., adv7189b Datasheet - Page 58

• Manufacturer Part Number: adv7189b
• Description: Multiformat Sdtv Video Decoder
• Manufacturer: Analog Devices, Inc.

ADV7189B
Table 75. PAL Line Enable Bits and
Corresponding Line Numbering
Line[3:0]
12
13
14
15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
10
11
IF Compensation Filter
IFFILTSEL[2:0] IF Filter Select Address 0xF8[2:0]
The IFFILTSEL[2:0] register allows the user to compensate for
SAW filter characteristics on a composite input as would be
observed on tuner outputs.
filter compensation for NTSC and PAL.
The options for this feature are as follows:
x
x
x
Bypass Mode (default)
NTSC—consists of three filter characteristics
PAL—consists of three filter characteristics
Line Number
(ITU-R BT.470)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
321 (8)
322 (9)
323 (10)
324 (11)
325 (12)
326 (13)
327 (14)
328 (15)
329 (16)
330 (17)
331 (18)
332 (19)
333 (20)
334 (21)
335 (22)
336 (23)
F igure 36 and
2 4 5 H
Enable Bit
GDECOL[0]
GDECOL[1]
GDECOL[2]
GDECOL[3]
GDECOL[4]
GDECOL[5]
GDECOL[6]
GDECOL[7]
GDECOL[8]
GDECOL[9]
GDECOL[10]
GDECOL[11]
GDECOL[12]
GDECOL[13]
GDECOL[14]
GDECOL[15]
GDECEL[0]
GDECEL[1]
GDECEL[2]
GDECEL[3]
GDECEL[4]
GDECEL[5]
GDECEL[6]
GDECEL[7]
GDECEL[8]
GDECEL[9]
GDECEL[10]
GDECEL[11]
GDECEL[12]
GDECEL[13]
GDECEL[14]
GDECEL[15]
F igure 37 show IF
2 4 6 H
Comment
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Closed caption
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Rev. B | Page 58 of 104
See
I
The ADV7189B has a comprehensive interrupt register set. This
map is located in the Register Access. See
the interrupt register map. How to access this map is described
in
2
P
C Interrupt System
P
F igure 38.
2 4 9 H
T able 86 for programming details.
2 4 7 H
ADDRESS 0x0E BIT 6,5 = 00b
REGISTER ACCESS PAGE 1
NORMAL REGISTER SPACE
ADDRESS 0x40 => 0xFF
–10
–12
ADDRESS 0x00 => 0x3F
–2
–4
–6
–8
–2
–4
–6
–8
COMMON I
6
4
2
0
6
4
2
0
2.0
3.0
I
Figure 36. NTSC IF Compensation Filter Responses
2
Figure 37. PAL IF Compensation Filter Responses
C SPACE
Figure 38. Register Access, Page 1 and Page 2
2
C SPACE
2.5
3.5
3.0
4.0
FREQUENCY (MHz)
FREQUENCY (MHz)
3.5
4.5
INTERRUPT REGISTER SPACE
ADDRESS 0x0E BIT 6,5 = 01b
REGISTER ACCESS PAGE 2
ADDRESS 0x40 => 0x4C
4.0
5.0
T able 85 for details of
2 4 8 H
I
2
C SPACE
4.5
5.5
5.0
6.0