參數(shù)資料
型號(hào)： HMPVIDEVALISA
廠商： Intersil Corporation
英文描述： NTSC/PAL Video Decoder
中文描述： NTSC / PAL視頻解碼器
文件頁數(shù)： 19/43頁
文件大?。?/td> 183K
代理商： HMPVIDEVALISA
19
NOTES:
33. The MSB is bit number: 271 for system C, 279 for system B 525-line and 343 for system B 625-line.
34. The clock run-in is 16 bits wide for both systems and is not included in the BT.656 ancillary data stream.
35. The bit rate is 5.727272 Mbits/second for system B and C on 525/60 systems and 6.9375 and 5.734375 Mbits/second respectively for
625/50 systems.
FIGURE 18. TELETEXT VBI VIDEO SIGNAL
DATA PACKET
CLOCK
RUN-IN
Bit 0
MSB
TABLE 7. OUTPUTTING THE SLICED TELETEXT DATA AS BT.656 ANCILLARY DATA
PIXEL INPUT
P15
P14
P13
P12
P11
P10
P9
P8
Preamble
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Data ID
P14
ep
1
1
0
1
0
0
Data Block Number
P14
ep
0
0
0
0
0
1
Data Word Count
P14
ep
0
1
0
1
1
0
Teletext Data
(B, 625-line = 43 bytes)
(B, 525-line = 35 bytes)
(C = 34 bytes)
P14
ep
0 = 525-line
1 = 625-line
0 = system B
1 = system C
bit 343
bit 342
bit 341
bit 340
P14
ep
0
0
bit 339
bit 338
bit 337
bit 336
:
P14
ep
0
0
bit 7
bit 6
bit 5
bit 4
P14
ep
0
0
bit 3
bit 2
bit 1
bit 0
Reserved
P14
ep
0
0
0
0
0
0
P14
ep
0
0
0
0
0
0
CRC
P14
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
NOTES:
36. ep = even parity for P8-P13.
37. CRC = Sum of P8-P14 of Data ID through last user data word. Preset to all zeros, carry is ignored.
38. For 525-line system B, bits 280-343 are “0”.
39. For system C, bits 272-343 are “0”.
HMP8115
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PDF描述
HMP8115 NTSC/PAL Video Decoder
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HMR-100 Hadware Manual
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