saa5244a NXP Semiconductors, saa5244a Datasheet - Page 13

• Manufacturer Part Number: saa5244a
• Description: Integrated Teletext Decoder Ivt1.1
• Manufacturer: NXP Semiconductors

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[1]
[2]
(Equalizing Pulse)
(Line Sync Pulse)
LSP, EP and BP are combined to give TCS as shown below. All timings measured from falling edge of LSP.
Line numbers placed in the middle of the line. Equivalent count numbers in brackets.
(Broad Pulse)
LSP
EP
BP
TCS interlaced
TCS interlaced
TCS non-interlaced
0
0
0
2.33
4.66
(308)
621
309
308
[1]
[2]
(309)
310
309
622
(310)
311
310
623
Fig.4 Composite sync waveforms.
(311)
312
311
624
313
312
(312)
625
314 (1)
27.33
1
1
32
32
315 (2)
2
2
34.33
316 (3)
3
3
317 (4)
4
4
318 (5)
5
5
319 (6)
6
6
320 (7)
7
7
59.33
MLA037 - 2
64 s
64 s
64 s