參數(shù)資料
型號(hào)： HMP8116CN
廠商： HARRIS SEMICONDUCTOR
元件分類(lèi)： 顏色信號(hào)轉(zhuǎn)換
英文描述： NTSC/PAL Video Decoder
中文描述： COLOR SIGNAL DECODER, PQFP80
文件頁(yè)數(shù)： 17/43頁(yè)
文件大?。?/td> 182K
代理商： HMP8116CN
17
Odd and Even WSS
WSS data present on line 20 (or line 17 or 23 in the PAL
modes) is captured into a shift register then transferred to
the WSS_ODD_A and WSS_ODD_B registers. WSS data
present on line 283 (or line 280 or 336 in the PAL modes) is
captured into a shift register then transferred to the
WSS_EVEN_A and WSS_EVEN_B registers.
The WSS odd field Read status bit is set to “1” after data has
been transferred from the shift register to the WSS_ODD_A
and WSS_ODD_B registers. It is set to “0” after the data has
been read out.
The WSS even field Read status bit is set to “1” after data
has
been
transferred
from
WSS_EVEN_A and WSS_EVEN_B registers. It is set to “0”
after the data has been read out.
the
shift
register
to
the
BT.656 ANCILLARY DATA
Through the BT.656 interface the HMP8116 can generate
non-active video data which contains CC, WSS, teletext or
Real-Time Control Interface (RTCI) information. Teletext and
RTCI data is only available as BT.656 ancillary data.
VBIVALID OUTPUT TIMING
The VBIVALID output is asserted when outputting closed
captioning, widescreen signalling, teletext or RTCI data as
BT.656 ancillary data. It is asserted during the entire BT.656
ancillary data packet time, including the preamble.
BT.656 CLOSED CAPTIONING AND WIDE SCREEN
SIGNALLING
Table 5 illustrates the format when outputting the caption
data registers as BT.656 ancillary data. The ancillary data is
present during the horizontal blanking interval after the line
containing the captioning information.
Table 6 illustrates the format when outputting the WSS data
registers as BT.656 ancillary data. The ancillary data is
present during the horizontal blanking interval after the line
containing the WSS information.
CLK
VBIVALID
P[15-8]
t
DVLD
00
FF
FF
BLK #
# BYTES/4
BYTE #1
DATA ID
NOTES:
27. BT.656 VBI ancillary starts with a 00H, FFH and FFH sequence which is opposite to the SAV/EAV sequence of FFH, 00H and 00H.
28. During active VBI data intervals, DVALID is deasserted and BLANK is asserted.
FIGURE 16. OUTPUT TIMING FOR BT.656 VBI DATA TRANSFERS (CC, WSS, TELETEXT, RTCI)
BYTE #2
BYTE #3
BYTE #4
TABLE 5. READING THE CLOSED CAPTION DATA AS BT.656 ANCILLARY DATA
PIXEL OUTPUT
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
0
0
0 = odd field data
1 = even field data
Data Block Number
P14
ep
0
0
0
0
0
1
Data Word Count
P14
ep
0
0
0
0
0
1
Caption Data
P14
ep
0
0
bit 15
bit 14
bit 13
bit 12
P14
ep
0
0
bit 11
bit 10
bit 9
bit 8
P14
ep
0
0
bit 7
bit 6
bit 5
bit 4
P14
ep
0
0
bit 3
bit 2
bit 1
bit 0
CRC
P14
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
NOTES:
29. ep = even parity for P8-P13.
30. CRC = Sum of P8-P14 of Data ID through last user data word. Preset to all zeros, carry is ignored.
HMP8116
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HMP8117 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:NTSC/PAL Video Decoder
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HMP8117CN96 制造商:Rochester Electronics LLC 功能描述:- Bulk
HMP8117CNZ 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 W/ANNEAL 80PQFP 0+70 DECODER W/MA RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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