saa5254 NXP Semiconductors, saa5254 Datasheet - Page 19

• Manufacturer Part Number: saa5254
• Description: Integrated Vip And Teletext Decoder Ivt1.1x
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 9 Register map for page requests (R3)
Notes to Table 9
1. Abbreviations are as for Table 5 except for DO CARE bits.
2. When the DO CARE bit is set to logic 1 this means the corresponding digit is to be taken into account for page
3. If HOLD is set LOW, the page is held and not updated.
4. Columns auto-increment on successive I
5. X = Don't care.
Table 10 Interlace/non-interlace 312/313 line control and ODD/EVEN field detection option
Notes
1. X = don't care.
2. Reverts to interlaced mode if a newsflash or subtitle is being displayed.
1996 Nov 07
FFB MODE
START COLUMN
Integrated VIP and teletext decoder
(IVT1.1X)
requests. If the DO CARE bit is set to logic 0 the digit is ignored. This allows, for example, normal or timed page
selection.
TCS ON
X
X
X
0
1
0
1
2
3
4
5
6
(1)
T1
0
0
1
1
1
DO CARE
Magazine
DO CARE
Page tens
DO CARE
Page units
DO CARE
Hours tens
DO CARE
Hours units
DO CARE
Minutes tens
DO CARE
Minutes units
T0
0
1
0
1
1
PRD4
interlaced 312.5/312.5 lines
non-interlaced 312/313 lines (note 2)
non-interlaced 312/313 lines (note 2)
SCS (scan composite sync) mode: FFB leading edge in first broad pulse of field
SCS (scan composite sync) mode: FFB leading edge in second broad pulse of field
2
C-bus transmission bytes.
HOLD
PT3
PU3
X
HU3
X
MU3
PRD3
19
MAG2
PT2
PU2
X
HU2
MT2
MU2
PRD2
RESULT
MAG1
PT1
PU1
HT1
HU1
MT1
MU1
PRD1
Preliminary specification
MAG0
PT0
PU0
HT0
HU0
MT0
MU0
SAA5254
PRD0