參數(shù)資料
型號： SAF7118H
廠商： NXP Semiconductors N.V.
元件分類： 通用總線功能
英文描述： Multistandard video decoder with adaptive comb filter and component video input
封裝： SAF7118EH/V1<SOT807-1 (HBGA156)|<<http://www.nxp.com/packages/SOT807-1.html<1<,;SAF7118EH/V1<SOT807-1 (HBGA156)|<<http://www.nxp.com/packages/SOT807-1.html<1<,;
文件頁數(shù)： 60/175頁
文件大小： 898K
代理商： SAF7118H
SAF7118_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 4 July 2008
60 of 175
NXP Semiconductors
SAF7118
Multistandard video decoder with adaptive comb filter
8.5 VBI data decoder and capture (subaddresses 40h to 7Fh)
The SAF7118 contains a versatile VBI data decoder.
The circuitry recovers the actual clock phase during the clock run-in period, slices the data
bits with the selected data rate, and groups them into bytes. The result is buffered into a
dedicated VBI data FIFO with a capacity of 2
×
56 bytes (2
×
14 double words). The clock
frequency, signal source, field frequency and accepted error count must be defined in
subaddress 40h.
The supported VBI data standards are shown in
Table 15
.
For lines 2 to 24 of a field, per VBI line, 1 of 16 standards can be selected (LCR24_[7:0] to
LCR2_[7:0] in 57h[7:0] to 41h[7:0]: 23
×
2
×
4 bit programming bits).
The definition for line 24 is valid for the rest of the corresponding field, normally no text
data (video data) should be selected there (LCR24_[7:0] = FFh) to stop the activity of the
VBI data slicer during active video.
To adjust the slicers processing to the input signal source, there are offsets in the
horizontal and vertical direction available: parameters HOFF[10:0] 5Bh[2:0] 59h[7:0],
VOFF[8:0] 5Bh[4] 5Ah[7:0] and FOFF[5Bh[7]].
Contrary to the scalers counting, the slicers offsets define the position of the H and V
trigger events related to the processed video field. The trigger events are the falling edge
of HREF and the falling edge of V123 from the decoder processing part.
The relationship of these programming values to the input signal and the recommended
values are given in
Figure 30
and
Figure 31
.
Table 15.
DT[3:0]
62h[3:0]
0000
0001
0010
0011
0100
0101
Data types supported by the data slicer block
Standard type
Data rate
(Mbit/s)
6.9375
0.500
5
Framing Code
(FC)
27h
001
9951h
1E 3C1Fh
27h
001
FC window
Hamming
check
always
teletext EuroWST, CCST
European closed caption
VPS
wide screen signalling bits 5
US teletext (WST)
US closed caption
(line 21)
(video data selected)
(raw data selected)
teletext
VITC/EBU time codes
(Europe)
VITC/SMPTE time codes
(USA)
reserved
US NABTS
WST625
CC625
VPS
WSS
WST525
CC525
5.7272
0.503
always
0110
0111
1000
1001
5
5
6.9375
1.8125
none
none
programmable
programmable
disable
disable
general text
VITC625
optional
1010
1.7898
programmable
VITC525
1011
1100
5.7272
programmable
NABTS
optional
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參數(shù)描述
SAF7118H/V1,557 功能描述:視頻 IC COMPONENT VID DECODR RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAF7129AH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder
SAF7129AH/V1 功能描述:視頻 IC 6 DAC VIDEO ENCODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAF7129AH/V1,518 功能描述:視頻 IC 6 DAC VIDEO ENCODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAF7129AH/V1,557 功能描述:視頻 IC 6 DAC VIDEO ENCODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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