HMP8116 Datasheet, PDF (20/43 Pages) Intersil Corporation – NTSC/PAL Video Decoder

HMP8116
RTCI information via BT.656 ancillary data is shown in Table The PSW bit is always a “0” for NTSC encoding. During PAL
8. If enabled, this transfer occurs once per line and is com- encoding, it indicates the sign of V (“0” = negative; “1” = pos-
pleted before the start of the SAV sequence.
itive) for that scan line.
TABLE 8. OUTPUTTING RTCI AS BT.656 ANCILLARY DATA
PIXEL INPUT
P15
P14
P13
P12
P11
P10
Preamble
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
Data ID
P14
ep
1
1
0
1
Data Block Number
P14
ep
0
0
0
0
Data Word Count
P14
ep
0
0
0
0
HPLL
Increment
P14
ep
0
0
0
0
P14
ep
0
0
0
0
P14
ep
0
0
0
0
P14
ep
0
0
0
0
FSCPLL
Increment
P14
ep
PSW
0
bit 31
bit 30
P14
ep
F2 = 0
F1 = 0
bit 27
bit 26
:
P14
ep
0
0
bit 7
bit 6
P14
ep
0
0
bit 3
bit 2
CRC
P14
bit 6
bit 5
bit 4
bit 3
bit 2
NOTES:
41. ep = even parity for P8-P13.
42. CRC = Sum of P8-P14 of Data ID through last user data word. Preset to all zeros, carry is ignored.
P9
0
1
1
0
0
1
0
0
0
0
bit 29
bit 25
bit 5
bit 1
bit 1
P8
0
1
1
1
1
1
0
0
0
0
bit 28
bit 24
bit 4
bit 0
bit 0
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