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參數(shù)資料
| 型號： | SAA5254P |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 圖文 |
| 英文描述： | Integrated VIP and teletext decoder IVT1.1X |
| 中文描述： | TELETEXT DECODER, PDIP40 |
| 文件頁數(shù)： | 19/36頁 |
| 文件大?。?/td> | 805K |
| 代理商： | SAA5254P |
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1996 Nov 07
19
Philips Semiconductors
Preliminary specification
Integrated VIP and teletext decoder
(IVT1.1X)
SAA5254
Table 9
Register map for page requests (R3)
Notes to Table 9
1.
Abbreviations are as for Table 5 except for DO CARE bits.
2.
When the DO CARE bit is set to logic 1 this means the corresponding digit is to be taken into account for page
requests. If the DO CARE bit is set to logic 0 the digit is ignored. This allows, for example, normal or timed page
selection.
3.
If HOLD is set LOW, the page is held and not updated.
4.
Columns auto-increment on successive I
2
C-bus transmission bytes.
5.
X = Don't care.
Table 10
Interlace/non-interlace 312/313 line control and ODD/EVEN field detection option
Notes
1.
2.
X = don't care.
Reverts to interlaced mode if a newsflash or subtitle is being displayed.
START COLUMN
PRD4
PRD3
PRD2
PRD1
PRD0
0
DO CARE
Magazine
DO CARE
Page tens
DO CARE
Page units
DO CARE
Hours tens
DO CARE
Hours units
DO CARE
Minutes tens
DO CARE
Minutes units
HOLD
MAG2
MAG1
MAG0
1
PT3
PT2
PT1
PT0
2
PU3
PU2
PU1
PU0
3
X
X
HT1
HT0
4
HU3
HU2
HU1
HU0
5
X
MT2
MT1
MT0
6
MU3
MU2
MU1
MU0
TCS ON
FFB MODE
(1)
T1
T0
RESULT
X
X
X
0
1
0
0
1
1
1
0
1
0
1
1
interlaced 312.5/312.5 lines
non-interlaced 312/313 lines (note 2)
non-interlaced 312/313 lines (note 2)
SCS (scan composite sync) mode: FFB leading edge in first broad pulse of field
SCS (scan composite sync) mode: FFB leading edge in second broad pulse of field
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| SAA5261 | 10-page intelligent teletext decoders |
| SAA5262PS | 10-page intelligent teletext decoders |
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| SAA5262 | 10-page intelligent teletext decoders |
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相關代理商/技術參數(shù) |
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| SAA5261 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-page intelligent teletext decoders |
| SAA5261PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-page intelligent teletext decoders |
| SAA5262 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-page intelligent teletext decoders |
| SAA5262PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-page intelligent teletext decoders |
| SAA5263 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-page intelligent teletext decoders |
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