參數(shù)資料
型號(hào)： SAA5551PS/NNNN
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
封裝： 0.600 INCH, PLASTIC, SDIP-52
文件頁數(shù)： 43/80頁
文件大?。?/td> 340K
代理商： SAA5551PS/NNNN
1999 Oct 27
48
Philips Semiconductors
Preliminary specication
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
0000
Hamming error
PU3
PU2
PU1
PU0
1000
Hamming error
PT3
PT2
PT1
PT0
2000
Hamming error
MU3
MU2
MU1
MU0
3000
Hamming error
C4
MT2
MT1
MT0
4000
Hamming error
HU3
HU2
HU1
HU0
5000
Hamming error
C6
C5
HT1
HT0
6000
Hamming error
C10
C9
C8
C7
7000
Hamming error
C14
C13
C12
C11
8000
FOUND
0
MAG2
MAG1
MAG0
9
0
PBLF
0
0000
10 to 23
unused
相關(guān)PDF資料
PDF描述
SAA5500PS/NNNN 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
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SAA7388GP-T 8-BIT, 50.4 MHz, MICROCONTROLLER, PQFP80
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA5552PS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD)
SAA5552TRI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
SAA5553PS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD)
SAA5553TRI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
SAA5561 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD
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