參數(shù)資料
型號(hào)： SAA5667HL/NNNN
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-407-1, LQFP-100
文件頁(yè)數(shù)： 71/112頁(yè)
文件大?。?/td> 537K
代理商： SAA5667HL/NNNN
2004 Sep 03
61
Philips Semiconductors
Product specication
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA56xx
22.1.6.5
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 because 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 bit (C11) indicates whether the
magazine transmission is serial or parallel. This affects
how 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 bit (C8) 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 that 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 24 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
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