參數(shù)資料
型號: PNX8510
廠商: NXP Semiconductors N.V.
英文描述: Analog companion chip
中文描述: 模擬伴隨芯片
文件頁數(shù): 15/92頁
文件大?。?/td> 3064K
代理商: PNX8510
Philips Semiconductors
PNX8510/11
Analog companion chip
Product data
Rev. 04 – 12 January 2004
15 of 92
9397 750 12612
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
programmable. An internal header following the ANC contains a programmable sliced
data identifier with the number of data bytes transmitted and two internal identification
tokens containing data type, field type and line number.
Figure 12
illustrates how the
data is encoded in the horizontal blanking interval.
Remark:
In standard definition mode, only 8 of the 10 available signal lines of the D1
interface are used. The two LSB lines are fixed to zero.
See
Table 11
to
Table 16
for code description
Fig 12. ANC VBI data insertion in D1
Table 11:
Name
SAV
DID
SDID
BC
IDI1
IDI2
D1-Ddc
EAV
VBI header/data codes
Function
start of active video
data identifier: ignored, has to be set to 0x11h
sliced data identification: ignored, has to be set to 0x11h
byte count describes the number of succeeding decoded data bytes
internal data identification 1: OP, FID, LineNumber[8:3]
internal data identification 2: OP, LineNumber[2:0], Data Type
data bytes
end of active video
Table 12:
LN = Line Number, BC = Byte Count, DT = Data Type
Code
D9
D8
SDID
1
1
DID
1
1
BC
-
-
IDI1
-
field ID
0=field 1
1=field 2
IDI2
-
LN2
VBI data header format
D7
1
1
BC5
LN8
D6
1
1
BC4
LN7
D5
1
1
BC3
LN6
D4
1
1
BC2
LN5
D3
1
1
BC1
LN4
D2
1
1
BC0
LN3
LN1
LN0
DT3
DT2
DT1
DT0
Table 13:
Line Number
1-3
4-19
20-263
SAV/EAV codes NTSC
F
1
0
0
V
1
1
0
H (EAV)
1
1
1
H (SAV)
0
0
0
FF
00
00
EAV
FF
FF
00
DID SDID BC
IDI1 IDI2
D1
D2
DDC1 DDC
FF
00
MDB646
00
SAV
timing reference
code
end active video
timing reference
code
start active video
ANC header
internal header
horizontal line blanking interval
sliced data
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