HMP8116CN データシートの表示（PDF） - Intersil

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HMP8116CN

NTSC/PAL Video Decoder

Intersil 

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

20

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