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1999 Oct 27
48
Philips Semiconductors
Preliminary specification
Standard TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
18.1.6.5
Row 25 data contents
The Hamming error flags are set if the on-board 8/4
Hamming checker detects that there has been an
uncorrectable (2-bit) error in the associated byte. It is
possible for the page to still be acquired if some of the
page address information contains uncorrectable errors if
that part of the page request was a ‘don’t care’. There is no
error flag for the magazine number as an uncorrectable
error in this information prevents the page being acquired.
The interrupt sequence (C9) bit is automatically dealt with
by the acquisition section so that rolling headers do not
contain a discontinuity in the page number sequence.
The magazine serial (C11) bit indicates whether the
transmission is a serial or a parallel magazine
transmission. This affects the way the acquisition section
operates and is dealt with automatically.
The newsflash (C5), subtitle (C6), suppress header (C7),
inhibit display (C10) and language control (C12 to 14) bits
are dealt with automatically by the display section.
The update (C8) bit has no effect on the hardware.
The remaining 32 bytes of the page header are parity
checked and written into columns 8 to 39 of row 0. Bytes
which pass the parity check have the MSB set to a logic 0
and are written into page memory. Bytes with parity errors
are not written into the memory.
Table 13
The data in row 25 of the basic page memory
COL
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
1
2
3
4
5
6
7
8
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Hamming error
Hamming error
Hamming error
Hamming error
Hamming error
Hamming error
Hamming error
Hamming error
FOUND
0
unused
PU3
PT3
MU3
C4
HU3
C6
C10
C14
0
0
PU2
PT2
MU2
MT2
HU2
C5
C9
C13
MAG2
0
PU1
PT1
MU1
MT1
HU1
HT1
C8
C12
MAG1
0
PU0
PT0
MU0
MT0
HU0
HT0
C7
C11
MAG0
0
PBLF
10 to 23
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA5551PS | Standard TV microcontrollers with On-Screen Display (OSD)(帶全屏顯示的標(biāo)準(zhǔn)型TV控制器) |
| SAA55xx | Standard TV microcontrollers with On-Screen Display (OSD)(用于屏幕顯示的標(biāo)準(zhǔn)TV微控制器) |
| SAA5500PS | Standard TV microcontrollers with On-Screen Display (OSD)(帶全屏顯示的標(biāo)準(zhǔn)型TV控制器) |
| SAA5501PS | Standard TV microcontrollers with On-Screen Display (OSD)(帶全屏顯示的標(biāo)準(zhǔn)型TV控制器) |
| SAA5502PS | Standard TV microcontrollers with On-Screen Display (OSD)(帶全屏顯示的標(biāo)準(zhǔn)型TV控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5520 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5520PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5521PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5522PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5523PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
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