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參數(shù)資料
| 型號： | SAA5249 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX |
| 中文描述： | 綜合貴賓和圖文電視的背景內(nèi)存控制器IVT1.1BMCX |
| 文件頁數(shù)： | 27/44頁 |
| 文件大?。?/td> | 821K |
| 代理商： | SAA5249 |
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1996 Nov 07
27
Philips Semiconductors
Preliminary specification
Integrated VIP and Teletext with
Background Memory Controller
SAA5249
Table 9
Register map for page requests (R3); notes 1 to 5
Notes
1.
2.
Abbreviations are as for Table 5 except for DO CARE bits.
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.
If HOLD is set LOW, the page is held and not updated.
Columns auto-increment on successive I
2
C-bus transmission bytes.
X = don't care.
3.
4.
5.
Table 10
Interlace/non-interlace 312/313 line control and ODD/EVEN field detection option; notes 1 and 2
Notes
1.
2.
Reverts to interlaced mode if a newsflash or subtitle is being displayed.
X = Don't care.
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
T1
T0
RESULT
X
X
X
0
0
1
0
1
0
interlaced 312.5/312.5 lines
non-interlaced 312/313 lines (note 1)
non-interlaced 312/313 lines (note 1)
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
0
1
1
1
1
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA5249P | Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX |
| SAA5250 | Interface for data acquisition and control for multi-standard teletext systems |
| SAA5250P | Interface for data acquisition and control for multi-standard teletext systems |
| SAA5250T | Interface for data acquisition and control for multi-standard teletext systems |
| SAA5252 | Line twenty-one acquisition and display LITOD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5249GP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX |
| SAA5249GP/E | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX |
| SAA5249P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX |
| SAA5249P/E | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX |
| SAA5250 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Interface for data acquisition and control for multi-standard teletext systems |
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