TDA935x Philips, TDA935x Datasheet - Page 22

• 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
TXT1
TXT2
TXT3
H POLARITY
V POLARITY
TV signal processor-Teletext decoder with
embedded -Controller
FULL FIELD
DISLAY X24
ACQ_BANK
ROW ONLY
Names
REQ<3:0>
POLARIY
PRD<4:0>
DISABLE
DISABLE
DISPLAY
ACQ OFF
HEADER
EXT PKT
X26 OFF
STATUS
SC<2:0>
VPS ON
FRAME
FRAME
INV ON
FIELD
AUTO
ROLL
8 BIT
OFF
0 - Display row 24 from basic page memory
1 - Display row 24 from appropriate location in extension memory
0 - Normal Frame output
1 - Frame output is switched off automatically if any video displayed
0 - Write rolling headers and time to current display page
1 - Disable writing of rolling headers and time to into memory
0 - Display normal page rows 0 to 24
1- Display only row 24
0 - Normal Frame output
1 - Force Frame output to be low (0)
0 - VPS acquisition off
1 - VPS acquisition on
0 - Inventory page off
1 - Inventory page on
0 - Acquire extension packets X/24,X/27,8/30/X
1 - Disable acquisition of extension packets
0 - Error check and/or correct packets 0 to 24
1 - Disable checking of packets 0 to 24 written into memory
0 - Write requested data into display memory
1 - Disable writing of data into Display memory
0 - Enable automatic processing of X/26 data
1 - Disable automatic processing of X/26 data
0 - Acquire CC data only on selected line.
1 - Acquire CC data on any TV line (for test purposes).
0 - Vsync pulse in first half of line during even field.
1 - Vsync pulse in second half of line during even field.
0 - Hsync reference edge is positive going
1 - Hsync reference edge is negative going
0 - Vsync reference edge is positive going
1 - Vsync reference edge is negative going
0 - Select Acquisition bank 0
1 - Select Acquisition bank 1
Page request
Start column of page request
Page Request data
ADD
C1H
C2H
C3H
EXT PKT
BANK
BIT7
ACQ
OFF
REQ<3>
8 BIT
BIT6
ACQ OFF
REQ<2>
BIT5
ACQ OFF
REQ<1>
PRD<4>
BIT4
22
REQ<0>
PRD<3>
FIELD
FULL
BIT3
TDA935X/6X/8X PS/N2 series
POLARITY
PRD<2>
FIELD
SC<2>
BIT2
Tentative Device Specification
POLARITY
PRD<1>
SC<1>
BIT1
H
POLARITY
PRD<0>
SC<0>
BIT0
V
RESET
00H
00H
00H