TDA935x Philips, TDA935x Datasheet - Page 25

• Manufacturer Part Number: TDA935x
• Description: TV Signal Processor-Teletext Decoder with Embedded u-Controller
• Manufacturer: Philips

Philips Semiconductors
Table 3 SFR Bit description
2001 Jan 18
TXT9
TXT10
C<5:0>
TXT11
D<7:0>
TXT12
TXT13
TV signal processor-Teletext decoder with
embedded -Controller
CLEARING
RECEIVED
RECEIVED
RECEIVED
Names
MEMORY
VER<4:0>
QUALITY
CURSOR
WSS ON
FREEZE
SIGNAL
CLEAR
625/525
PKT 26
VIDEO
R<4:0>
SYNC
PAGE
ROM
WSS
VPS
A0
1
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
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.
0 - Disable acquisition of WSS data.
1 - Enable acquisition of WSS data.
0 - Use current TXT9 and TXT10 values for cursor position.
1 - Lock cursor at current position
0 -
1 - Clear memory block pointed to by TXT15
Note: This flag is set by Software and reset by Hardware
0 - Access memory block pointed to by TXT15
1 - Access extension packet memory
Current memory ROW value.
Note: Valid range TXT mode 0 to 24, CC mode 0 to 15
Current memory COLUMN value.
Note: Valid range TXT mode 0 to 39, CC mode 0 to 47
Data value written or read from memory location defined by TXT9, TXT10 and TXT15
0 - 625 line CVBS signal is being received
1 - 525 line CVBS signal is being received
Mask programmable identification for character set
Rom Version <4> :
0 - Spanish Flicker Stopper Disabled.
1 - Spanish Flicker Stopper Enabled (Controlled by TXT8 Bit-6).
Reserved
0 - Acquisition can not be synchronised to CVBS input.
1 - Acquisition can be synchronised to CVBS
0 -
1 - VPS data
0 - No page clearing active
1 - Software or Power On page clear in progress
ADD
CAH
CBH
CCH
C9H
F8H
RECEIVED
CURSOR
FREEZE
625/525
SYNC
D<7>
BIT7
VPS
0
MEMORY
CLEARING
VER<4>
CLEAR
D<6>
ROM
BIT6
PAGE
0
DISPLAY
VER<3>
D<5>
BIT5
C<5>
ROM
525
A0
525 TEXT
VER<2>
R<4>
C<4>
D<4>
BIT4
ROM
25
625 TEXT
VER<1>
R<3>
C<3>
D<3>
ROM
BIT3
TDA935X/6X/8X PS/N2 series
PKT 8/30
VER<0>
D<2>
BIT2
R<2>
C<2>
ROM
Tentative Device Specification
FASTEXT
R<1>
C<1>
D<1>
BIT1
1
QUALITY
SIGNAL
VIDEO
D<0>
BIT0
R<0>
C<0>
0
RESET
xxxxx
xxxxx
x1xB
xx0B
00H
00H
00H