SAA5700GP 查看數據表（PDF） - Philips Electronics
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SAA5700GP Datasheet PDF : 24 Pages
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Philips Semiconductors
Chinese Character System Teletext
(CCST) decoder
Preliminary specification
SAA5700
HIGH LEVEL I2C-BUS COMMAND INTERFACE
This device communicates via the I2C-bus using the SAFARI protocol. The following section indicates the protocol which
is supported by this decoder.
User commands
Table 1 lists the CCST user command codes in TV mode; Table 2 lists the CCST user command codes in Text mode.
Table 1 TV mode user command codes
FUNCTION ID
(HEX)
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
FUNCTION
−
−
−
PICTURE
STATUS
−
−
TIME
−
−
−
−
−
−
−
−
TV PROGRAMME 0
TV PROGRAMME 1
TV PROGRAMME 2
TV PROGRAMME 3
TV PROGRAMME 4
TV PROGRAMME 5
TV PROGRAMME 6
TV PROGRAMME 7
TV PROGRAMME 8
TV PROGRAMME 9
TV PROGRAMME 10
TV PROGRAMME 11
TV PROGRAMME 12
TV PROGRAMME 13
TV PROGRAMME 14
TV PROGRAMME 15
Table 2 Text mode user command codes
FUNCTION ID
(HEX)
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
27
28
29
3A
3B
3C
3D
3E
3F
FUNCTION
RED
GREEN
YELLOW
SUBTITLE
STATUS
HOLD TOGGLE
REVEAL
CANCEL TOGGLE
INDEX
−
BROWSE
REVEAL SET TOGGLE
−
PREVIOUS
DISPLAY CHINESE PROMPT
SUBCODE TOGGLE
1
2
3
4
5
6
7
8
9
0
SIZE
UP
DOWN
CYAN
MIX
TEXT
1997 May 16
7
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