ADV7181B
Rev. B | Page 56 of 100
Table 73. NTSC Line Enable Bits and Corresponding Line
Numbering
Line[3:0]
Line Number
(ITU-R BT.470)
Enable Bit
Comment
0 10
GDECOL[0]
Gemstar
1 11
GDECOL[1]
Gemstar
2 12
GDECOL[2]
Gemstar
3 13
GDECOL[3]
Gemstar
4 14
GDECOL[4]
Gemstar
5 15
GDECOL[5]
Gemstar
6 16
GDECOL[6]
Gemstar
7 17
GDECOL[7]
Gemstar
8 18
GDECOL[8]
Gemstar
9 19
GDECOL[9]
Gemstar
10 20
GDECOL[10]
Gemstar
11 21
GDECOL[11]
Gemstar or
closed caption
12 22
GDECOL[12]
Gemstar
13 23
GDECOL[13]
Gemstar
14 24
GDECOL[14]
Gemstar
15 25
GDECOL[15]
Gemstar
0 273
(10) GDECEL[0]
Gemstar
1 274
(11) GDECEL[1]
Gemstar
2 275
(12) GDECEL[2]
Gemstar
3 276
(13) GDECEL[3]
Gemstar
4 277
(14) GDECEL[4]
Gemstar
5 278
(15) GDECEL[5]
Gemstar
6 279
(16) GDECEL[6]
Gemstar
7 280
(17) GDECEL[7]
Gemstar
8 281
(18) GDECEL[8]
Gemstar
9 282
(19) GDECEL[9]
Gemstar
10 283
(20) GDECEL[10]
Gemstar
11 284
(21) GDECEL[11]
Gemstar or
closed caption
12 285
(22) GDECEL[12]
Gemstar
13 286
(23) GDECEL[13]
Gemstar
14 287
(24) GDECEL[14]
Gemstar
15 288
(25) GDECEL[15]
Gemstar
Table 74. PAL Line Enable Bits and Corresponding Line
Numbering
Line[3:0]
Line Number
(ITU-R BT.470)
Enable Bit
Comment
12 8
GDECOL[0]
Not
valid
13 9
GDECOL[1]
Not
valid
14 10
GDECOL[2]
Not
valid
15 11
GDECOL[3]
Not
valid
0 12
GDECOL[4]
Not
valid
1 13
GDECOL[5]
Not
valid
2 14
GDECOL[6]
Not
valid
3 15
GDECOL[7]
Not
valid
4 16
GDECOL[8]
Not
valid
5 17
GDECOL[9]
Not
valid
6 18
GDECOL[10]
Not
valid
7 19
GDECOL[11]
Not
valid
8 20
GDECOL[12]
Not
valid
9 21
GDECOL[13]
Not
valid
10 22
GDECOL[14]
Closed
caption
11 23
GDECOL[15]
Not
valid
12
321 (8)
GDECEL[0]
Not valid
13
322 (9)
GDECEL[1]
Not valid
14
323 (10)
GDECEL[2]
Not valid
15
324 (11)
GDECEL[3]
Not valid
0
325 (12)
GDECEL[4]
Not valid
1
326 (13)
GDECEL[5]
Not valid
2
327 (14)
GDECEL[6]
Not valid
3
328 (15)
GDECEL[7]
Not valid
4
329 (16)
GDECEL[8]
Not valid
5
330 (17)
GDECEL[9]
Not valid
6
331 (18)
GDECEL[10]
Not valid
7
332 (19)
GDECEL[11]
Not valid
8
333 (20)
GDECEL[12]
Not valid
9
334 (21)
GDECEL[13]
Not valid
10
335 (22)
GDECEL[14]
Closed caption
11
336 (23)
GDECEL[15]
Not valid
