saa5547ps NXP Semiconductors, saa5547ps Datasheet - Page 61
saa5547ps
Manufacturer Part Number
saa5547ps
Description
Saa550x; Saa554x Tv Microcontrollers With Closed Captioning Cc And On-screen Display Osd
Manufacturer
NXP Semiconductors
Datasheet
1.SAA5547PS.pdf
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Philips Semiconductors
18.8.2
Four character sets are available in the device. A set can
consist of alphanumeric characters as required by the
WST or US Closed Captioning, Customer definable
On-Screen Display characters, and Special Graphic
characters.
CC: Only a single character set can be used for display
and this is selected using the Basic Set selection
TXT18.BS<1:0>. When selecting a character set in
CC mode, the Twist Set selection TXT19.TS<1:0> should
be set to the same value as TXT18.BS<1:0> for correct
operation.
TXT: Two character sets can be displayed at once. These
are the basic G0 set or the alternative G0 set (Twist Set).
The basic set is selected using TXT18.BS<1:0>.
Table 22 Character set selection
Table 23 National option selection
2000 Feb 23
BS1/TS1
TV microcontrollers with Closed Captioning (CC)
and On-Screen Display (OSD)
C12
0
0
0
0
1
1
1
1
0
0
1
1
C
HARACTER SET SELECTION
C13
0
0
1
1
0
0
1
1
BS0/TS0
0
1
0
1
C14
0
1
0
1
0
1
0
1
NOT<3:0> = 0000 NOT<3:0> = 0001 NOT<3:0> = 0010
English
German
Swedish
Italian
French
Spanish
Czech
CHARACTER SET
Set 0
Set 1
Set 2
Set 3
Polish
German
Swedish
Italian
French
Czech
61
The alternative/twist character set is defined by
TXT19.TS<1:0>. Since the alternative character set is an
option it can be enabled or disabled using TXT19.TEN,
and the language code that is defined for the alternative
set is defined by TXT19.TC<2:0>.
The National option table is selected using
TXT18.NOT<3:0>. A maximum of 31 National option
tables can be defined when combined with the
EAST/WEST control bit located in register TXT4.
An example of the character set selection and definitions
is show in Table 22.
An example of the National option reference table is shown
in Table 23. Only a certain number of national options will
be relevant for each of the Character sets.
English
German
Swedish
Italian
French
Spanish
Turkish
EXAMPLE LANGUAGE
Closed Caption
Greek
Latin
...
...
...
...
...
...
...
...
...
Preliminary specification
Polish
German
Estonian
Lettish
Russian
Serb-Croat
Czech
NOT<3:0> = 1110
SAA55xx
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