參數(shù)資料
型號： TDA935X
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)： 25/140頁
文件大?。?/td> 570K
代理商： TDA935X
Philips Semiconductors
Preliminary specification
1999 Sep 28
25
TV signal processor-Teletext decoder with
embedded
μ
-Controller
TDA 935X/6X/8X series
BOX ON 0
0 - Disable display of teletext boxes in memory row 0
1 - Enable display of teletext boxes in memory row 0
TXT8
(Reserved)
0
FLICKER
STOP ON
(Reserved)
0
DISABLE
SPANISH
PKT 26
RECEIVED
WSS
RECEIVED
WSS ON
0
00H
FLICKER STOP
ON
0 - Enable ‘Flicker Stopper’ circuitry
1 - Disable ‘Flicker Stopper’ circuitry
DISABLE
SPANISH
0 - Enable special treatment of Spanish packet 26 characters
1 - Disable special treatment of Spanish packet 26 characters
PKT 26
RECEIVED
0 - No packet 26 data has been processed
1 - Packet 26 data has been processed.
Note: This flag is set by Hardware and must be reset by Software
WSS RECEIVED
0 - No Wide Screen Signalling data has been processed
1 - Wide Screen signalling data has been processed
Note: This flag is set by Hardware and must be reset by Software.
WSS ON
0 - Disable acquisition of WSS data.
1 - Enable acquisition of WSS data.
TXT9
CURSOR
FREEZE
CLEAR
MEMORY
A0
R<4>
R<3>
R<2>
R<1>
R<0>
00H
CURSOR
FREEZE
0 - Use current TXT9 and TXT10 values for cursor position.
1 - Lock cursor at current position
CLEAR
MEMORY
0 - Clear memory block not requested
1 - Clear memory block pointed to by TXT15
Note: This flag is set by Software and reset by Hardware
A0
0 - Access memory block pointed to by TXT15
1 - Access extension packet memory
R<4:0>
Current memory ROW value.
Note: Valid range TXT mode 0 to 24.
TXT10
0
0
C<5>
C<4>
C<3>
C<2>
C<1>
C<0>
00H
C<5:0>
Current memory COLUMN value.
Note: Valid range TXT mode 0 to 39.
TXT11
D<7>
D<6>
D<5>
D<4>
D<3>
D<2>
D<1>
D<0>
00H
D<7:0>
Data value written or read from memory location defined by TXT9, TXT10 and TXT15
TXT12
625/525
SYNC
Spanish
ROM
VER<3>
ROM
VER<2>
ROM
VER<1>
ROM
VER<0>
1
VIDEO
SIGNAL
QUALITY
xxxxxx1xB
625/525 SYNC
0 - 625 line CVBS signal is being received
1 - 525 line CVBS signal is being received
Spanish
0 - Spanish character set not present in device
1 - Spanish character set present in device
ROM VER<3:0>
Mask programmable identification for character set
VIDEO SIGNAL
QUALITY
0 - Acquisition can not be synchronised to CVBS input
1 - Acquisition can be synchronised to CVBS input
TXT13
VPS
RECEIVED
PAGE
CLEARING
525
DISPLAY
525 TEXT
625 TEXT
PKT 8/30
FASTEXT
0
xxxxxxx0B
VPS RECEIVED
0 - VPS data not being received
1 - VPS data being received
PAGE
CLEARING
0 - No page clearing active
1 - Software or Power On page clear in progress
Names
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
RESET
Table 4 SFR Bit description
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