參數(shù)資料
型號: TDA936X
廠商: NXP Semiconductors N.V.
英文描述: TV signal processor-Teletext decoder with embedded m-Controller
中文描述: 電視信號處理器與嵌入式米圖文電視解碼器控制器
文件頁數(shù): 80/140頁
文件大小: 570K
代理商: TDA936X
Philips Semiconductors
Preliminary specification
1999 Sep 28
80
TV signal processor-Teletext decoder with
embedded
μ
-Controller
TDA 935X/6X/8X series
C
HARACTER
T
ABLE
CC:- The CC character table is shown in Table 30.
Redefinable Characters
A number of Dynamically Redefinable Characters (DRC) are available. These are mapped onto the normal
character codes, and replace the pre-defined ROM value.
There are 32 DRC’s, the first 16 occupy the character codes 80H to 8FH, the second 16 occupy the locations
90H to 9FH. This allows for 32 DRCs or 16 Special DRCs. The re-mapping of the standard OSD to the DRCs
is activated when the TXT21.DRCS ENABLE bit is set. The selection of Normal or Special OSD symbols is
defined by the TXT21.OSD PLANES.
Character code columns (Bits 4-7)
5
6
7
P
ú
p
Q
a
q
R
b
r
S
c
s
T
d
t
U
e
u
V
f
v
W
g
w
X
h
x
Y
i
y
Z
j
z
[
k
é
l
]
m
í
n
ó
o
n
Table 30 Closed Caption Character Table
0
1
1/2
2
3
0
1
2
3
4
5
6
7
8
9
:
;
<
=
>
4
@
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
8
9
A
B
C
D
E
F
C
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
SP
!
"
#
$
%
&
(
)
á
+
,
-
.
/
à
_
è
a
ê
Special Characters in column 8 & 9.
Additional table locations for normal characters
Table locations for normal characters
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