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參數(shù)資料
| 型號： | TPU3041 |
| 廠商： | MICRONAS SEMICONDUCTOR HOLDING AG |
| 元件分類： | 圖文 |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | TELETEXT DECODER |
| 文件頁數(shù)： | 17/21頁 |
| 文件大?。?/td> | 378K |
| 代理商： | TPU3041 |
ADVANCE INFORMATION
TPU 3041
MICRONAS INTERMETALL
17
Command codes,
continued
Code
Function
Write Parameter
Read Parameter
Notes
Miscellaneous Data Commands
designation code
36
Read 8/30 Row
40 byte row data
only format 1 and 2 are supported
1st byte of row data is already hamming
decoded
15
Read VPS
framing code
counter
13 byte VPS data
= 51H
= incremented every VPS reception
= biphase decoded VPS bytes 3–15
53
Read WSS
framing code
counter
13 byte WSS data
= 78H
= incremented every WSS reception
= 102 WSS elements from group 1 on
54
Read CAPTION 1
counter
6 byte CAPTION data
counter
6 byte CAPTION data
24 byte rolling header
8 byte rolling time
= incremented every reception in field 1
= 3x oversampling
= incremented every reception in field 2
= 3x oversampling
every row 0 in cycle
using time pointer
55
Read CAPTION 2
19
31
Read Rolling Header
Read Rolling Time
16
Read Quality
text lines
hamming errors
parity errors
soft errors
updated every VBI
18
Read Reset Source
reset source
reset source:
bit0 = clock supervision
bit1 = voltage supervision
bit2 = watchdog
all bits in reset source are reset after read
hamming byte:
bit0–3= data
bit6
= hamming error
46
Read Hamming
hamming (8,4) byte
data
47
Read Hamming 2
hamming (24,18) 1st byte
hamming (24,18) 2nd byte
hamming (24,18) 3rd byte
address
mode
data
address:
bit0–5= address
bit7
= hamming error
mode:
bit0–4= mode
data:
bit0–6= data
33
Copy Data
source dram bank
source dram high
source dram low
length
destination dram bank
destination dram high
destination dram low
copy data from DRAM to DRAM
Display Commands
display mode
character set
font
17
Read Display Mode
display mode:
bit0 = forced boxing
bit1 = reveal
bit2 = box
bit3 = time hold
bit4 = page hold
bit5 = row 24 hold
bit6 = row 25 hold
bit7 = row 26 hold
08
Display Mode
display mode
character set
font
(00)
(06)
(00)
display mode:
character set:
font:
see above
6,38,40,55,70,128
not used
09
Display TTX Pointer
dram high
dram low
dram high
dram low
scroll counter
(20)
(00)
(20)
(00)
(00)
page memory is copied to TTX pointer
10
Display Pointer
display starts at pointer using scroll
counter as line offset
11
Display Clear
dram high
dram low
dram high
dram low
clear display bank beginning at pointer
(26 rows * 86 bytes)
8byte time string from packet x/00 is
copied to time pointer
13
Display Time Pointer
(20)
(20)
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