SAA5244 PHILIPS [NXP Semiconductors], SAA5244 Datasheet - Page 22

• Manufacturer Part Number: SAA5244
• Description: Integrated VIP and teletext decoder IVT1.1
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Table 3 Register map for page requests (R3)
Notes to Table 3
1. Abbreviations are as for Table 1 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
Table 4 Interlace/non-interlace 312/313 line control (T0 and T1)
Note to Table 4
1. Reverts to interlaced mode if a newsflash or subtitle is being displayed.
March 1992
0
1
2
3
4
5
6
0
0
1
1
Integrated VIP and teletext decoder
(IVT1.1)
requests. If the DO CARE bit is set to logic 0 the digit is ignored. This allows, for example, ‘normal’ or ‘timed page’
selection.
COLUMN
START
T1
0
1
0
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
PRD4
T0
2
C-bus transmission bytes.
interlaced 312.5/312.5 lines
non-interlaced 312/313 lines (note 1)
non-interlaced 312/312 lines (note 1)
scan-locked
HOLD
PT3
PU3
X
HU3
X
MU3
PRD3
22
MAG2
PT2
PU2
X
HU2
MT2
MU2
PRD2
RESULT
MAG1
PT1
PU1
HT1
HU1
MT1
MU1
PRD1
Product specification
SAA5244A
MAG0
PT0
PU0
HT0
HU0
MT0
MU0
PRD0