參數(shù)資料
型號: SAA5700
廠商: NXP Semiconductors N.V.
英文描述: Chinese Character System Teletext CCST decoder
中文描述: 漢字系統(tǒng)圖文電視解碼器加科技
文件頁數(shù): 8/24頁
文件大?。?/td> 139K
代理商: SAA5700
1997 May 16
8
Philips Semiconductors
Preliminary specification
Chinese Character System Teletext
(CCST) decoder
SAA5700
Extended commands
The extended commands for the decoder are listed in Table 3.
Table 3
Extended commands
OBJECT
FUNCTION
PARAMETER LENGTH
(BYTES)
PARAMETERS
NAME
ID
(HEX)
NAME
ID
(HEX)
INPUT
OUTPUT
INPUT
OUTPUT
Display
48
set sync mode
set display
position
restart software
read packet
04
1
sync mode
row start, line start none
none
08
4
Processor
Memory and OSD
52
53
06
03
3
1
FFFFFCH
packet number,
[Designation
code]
packet number,
packet data
none
none
none
none
none
packet data
[+1]
40
write packet
06
1
+40
0
0
0
0
none
OSD mode on
OSD mode off
OSD display
clear display page
08
0A
0E
10
none
none
none
none
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