TDA9550 PHILIPS [NXP Semiconductors], TDA9550 Datasheet - Page 30
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TDA9550
Manufacturer Part Number
TDA9550
Description
TV signal processor-Teletext decoder with embedded m-Controller
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.TDA9550.pdf
(125 pages)
- Current page: 30 of 125
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Philips Semiconductors
Table 3 SFR Bit description
2000 Jun 22
WDT
WDTKEY
WSS1
WSS2
WSS<7:4>
ERROR
WSS<7:4>
WSS3
XRAMP
GPF<0> (Polarity
TV signal processor-Teletext decoder with
embedded -Controller
XRAMP<7:0>
Painter1_Plus
WSS<13:11>
WSS<13:11>
WKEY<7:0>
Names
WSS<10:8>
WSS<10:8>
standalone)
WDv<7:0>
WSS<3:0>
WSS<3:0>
reversed in
GPF<2>
GPF<1>
ERROR
ERROR
ERROR
0 - Disable Closed Caption acquisition
1 - Enable Closed Caption acquisition
0 - Disable Text acquisition
1 - Enable Text acquisition
0 - Standalone (Painter1_Plus) mode
1 - UOC mode
Watch Dog Timer period
Watch Dog Timer Key.
Note: Must be set to 55H to disable Watch dog timer when active.
0 - No error in WSS<3:0>
1 - Error in WSS<3:0>
Signalling bits to define aspect ratio (group 1)
0 - No errors in WSS<7:4>
1 - Error in WSS<7:4>
Signalling bits to define enhanced services (group 2)
0 - No error in WSS<13:11>
1 - Error in WSS<13:11>
Signalling bits to define reserved elements (group 4)
0 - No error in WSS<10:8>
1 - Error in WS<10:8>
Signalling bits to define subtitles (group 3)
Internal RAM access upper byte address.
WSS<13:11
WKEY<7>
XRAMP<7>
< ERROR
WDV<7>
BIT7
0
0
WKEY<6>
XRAMP<6>
WSS<13>
WDV<6>
BIT6
0
0
WKEY<5>
XRAMP<5>
WSS<12>
WDV<5>
BIT5
0
0
WSS<3:0>
ERROR
WSS<7:4>
ERROR
WKEY<4>
XRAMP<4>
WSS<11>
WDV<4>
BIT4
30
WSS<3>
WSS<7>
WSS<10:8>
WKEY<3>
XRAMP<3>
WDV<3>
ERROR
BIT3
TDA955X/6X/8X PS/N1 series
WSS<2>
WSS<6>
WKEY<2>
XRAMP<2>
WSS<10>
WDV<2>
BIT2
WSS<1>
WSS<5>
WKEY<1>
XRAMP<1>
WDV<1>
WSS<9>
BIT1
Tentative Device Specification
WSS<0>
WSS<4>
WKEY<0>
XRAMP<0>
WDV<0>
WSS<8>
BIT0
RESET
00H
00H
00H
00H
00H
00H
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