參數(shù)資料
型號(hào)： HMP8172CN
廠商： HARRIS SEMICONDUCTOR
元件分類(lèi)： 顏色信號(hào)轉(zhuǎn)換
英文描述： NTSC/PAL Video Encoder
中文描述： COLOR SIGNAL ENCODER, PQFP64
文件頁(yè)數(shù)： 17/33頁(yè)
文件大?。?/td> 232K
代理商： HMP8172CN
17
TABLE 19. TIMING I/O REGISTER #2
SUB ADDRESS = 05
H
BIT
NUMBER
7-6
5
FUNCTION
Reserved
CLK Polarity Control
DESCRIPTION
RESET
STATE
00
B
0
B
0 = Inputs are sampled when CLK is low (see Table 2).
1 = Inputs are sampled when CLK is high.
0 = CLK is an input
1 = CLK is an output
This bit must be set to “0” during BT.656 input mode.
0 = Rectangular (BT.601) pixels
1 = Square pixels
4
CLK Output Control
0
B
3
Aspect Ratio Mode
0
B
2
Reserved
Subcarrier PHINC
Select
0
B
00
B
1-0
Selects the source of the color subcarrier NCO phase increment value.
00 = Internal (fixed) data.
01 = Reserved
10 = BT.656 RTCI ancillary data
11 = I
2
C interface PHINC register
TABLE 20. AUXILIARY DATA ENABLE REGISTER
SUB ADDRESS = 06
H
BIT
NUMBER
7-6
FUNCTION
Closed Captioning
Enable
DESCRIPTION
RESET
STATE
00
B
00 = Closed caption disabled
01 = Closed caption enabled for odd fields: line 21 for NTSC, line 18 for (M) PAL, or line 22 for
(B, D, G, H, I, N, NC) PAL
10 = Closed caption enabled for even fields: line 284 for NTSC, line 281 for (M) PAL, or line
335 for (B, D, G, H, I, N, NC) PAL
11 = Closed caption enabled for both odd and even fields
00 = WSS disabled
01 = WSS enabled for odd fields: line 20 for NTSC; line 17 for (M) PAL, or line 23 for (B, D, G,
H, I, N, NC) PAL
10 = WSS enabled for even fields: line 283 for NTSC, line 280 for (M) PAL, or line 336 for (B,
D, G, H, I, N, NC) PAL
11 = WSS enabled for both odd and even fields
00 = Teletext disabled
01 = System B teletext enabled
10 = System C teletext enabled
11 = reserved
5-4
WSS Enable
00
B
3
Teletext Enable
00
B
1-0
Reserved
00
B
TABLE 21. VBI DATA INPUT REGISTER
SUB ADDRESS = 07
H
BIT
NUMBER
7
FUNCTION
Closed Caption
Line 21
BT.656 Enable
DESCRIPTION
RESET
STATE
0
B
Setting this bit enables BT.656 ancillary data to be written into the closed caption line 21 data
registers. It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
Setting this bit enables BT.656 ancillary data to be written into the closed caption line 284 data
registers. It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
Setting this bit enables BT.656 ancillary data to be written into the WSS line 20 data registers.
It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
Setting this bit enables BT.656 ancillary data to be written into the WSS line 283 data registers.
It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
6
Closed Caption
Line 284
BT.656 Enable
0
B
5
WSS Line 20
BT.656 Enable
0
B
4
WSS Line 283
BT.656 Enable
0
B
3-0
Reserved
0000
B
HMP8170, HMP8171, HMP8172, HMP8173
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PDF描述
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參數(shù)描述
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HMP817XEVAL1 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP8190 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP8190CN 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:NTSC/PAL Video Encoder
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