參數(shù)資料
型號: VCT3801A
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Video/Controller/Teletext IC Family
中文描述: 視頻/控制/圖文電視IC系列
文件頁數(shù): 68/172頁
文件大小: 2243K
代理商: VCT3801A
VCT 38xxA
ADVANCE INFORMATION
68
Micronas
3.12.Command Language
The TPU supports a command language, allowing the
TV controller to start complex processing inside the
TPU with simple commands. The TV controller is not
burdened with time consuming tasks like page search-
ing or data shuffling.
Table 3–15 lists all available commands. For a more
detailed description of the command language see
Table 3–16.
The application software has to send commands to the
TPU via I
2
C bus using the command subaddresse
SUB4 (see Section 3.14.1.3. on page 83).
Table 3–15:
Command language cross reference
Code Dec.
Code Hex.
Command Name
No. Write
Parameter
No. Read
Parameter
Status Register
0
00
Dummy
0
0
x000 0000
1
01
Reset
0
0
x000 0000
2
02
Escape
0
0
x000 0000
3
03
Version
0
2
x000 0000
4
04
Test
0
0
x000 0000
5
05
Test
0
0
x000 0000
6
06
DRAM Mode
3
0
x000 0000
7
07
Acquisition Mode
5
2
x000 0000
8
08
Display Mode
4
0
x000 0000
9
09
Display TTX Pointer
2
0
x000 0000
10
0a
Display Pointer
3
0
x000 0000
11
0b
Display Clear
2
0
x000 0000
12
0c
Page Request
8
3
x0x0 0000
13
0d
Display Time Pointer
2
0
x000 0000
14
0e
Read DRAM Size
0
3
x000 0000
15
0f
Read VPS
0
15
x0x0 0000
16
10
Read Quality
0
4
x000 0000
17
11
Read Display Mode
0
4
x000 0000
18
12
Read Reset Source
0
1
x000 0000
19
13
Read Rolling Header
0
24
x000 0000
20
14
Read Page Info
2
7
x000 0000
21
15
Read Page Row
5
40
x0x0 0000
22
16
Change Page Info
3
0
x000 0000
23
17
Search MPET
0
1 + (n*4)
x0x0 0000
24
18
Read Display Page
0
4
x000 0000
25
19
Page Memory
2
0
x000 0000
26
1a
Display Page Request
5
0
x000 0000
27
1b
Page Table Reset
0
0
x000 0000
28
1c
Search Next Page
3
6
x0x0 0000
29
1d
Read Page Cycle
0
9
x000 0000
30
1e
Read TOP Code
2
2
x000 0000
31
1f
Read Rolling Time
0
8
x000 0000
32
20
Copy Page Row
8
0
x0x0 0000
33
21
Copy Data
7
0
x000 0000
34
22
Search Next TOP Code
3
4
x0x0 0000
35
23
Read Ghost Row
6
40
x0x0 0000
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