TDA8841

Manufacturer Part NumberTDA8841
DescriptionI2C-bus controlled PAL/NTSC TV processor
ManufacturerPhilips Semiconductors
TDA8841 datasheet
 


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Philips Semiconductors
2
I
C-bus controlled PAL/NTSC/SECAM TV
processors
Table 19 Video ident mode
VIM
MODE
0
ident coupled to internal CVBS (pin 13)
1
ident coupled to selected CVBS
Table 20 Gain of luminance channel
GAI
MODE
0
normal gain (V27 = 1 VBL-WH)
1
high gain (V27 = 0.45 VP-P)
Table 21 Vertical divider mode
NCIN
VERTICAL DIVIDER MODE
0
normal operation
1
switched to search window
Table 22 Search tuning mode
STM
MODE
0
normal operation
1
reduced sensitivity of video indent circuit
Table 23 Video ident mode
VID
VIDEO IDENT MODE
0
1 loop switched on and off
1
not active
Table 24 Long blanking mode
LBM
BLANKING MODE
0
adapted to standard (50 or 60 Hz)
1
fixed in accordance with 50 Hz standard
Table 25 EHT tracking mode
HCO
TRACKING MODE
0
EHT tracking only on vertical
1
EHT tracking on vertical and EW
Table 26 Enable vertical guard (RGB blanking)
EVG
VERTICAL GUARD MODE
0
not active
1
active
December 16, 1997
Tentative Device Specification
TDA884X/5X-N2 series
Table 27 Service blanking
SBL
SERVICE BLANKING MODE
0
off
1
on
Table 28 Overvoltage input mode
PRD
OVERVOLTAGE MODE
0
detection mode
1
protection mode
Table 29 PAL-SECAM/NTSC matrix (TDA8841/2/3/4/54)
MAT
MATRIX POSITION
0
adapted to standard
1
PAL matrix
Table 30 NTSC matrix (TDA 8846/46A/47/57)
MAT
MATRIX POSITION
0
Japanese matrix
1
USA matrix
Table 31 RGB blanking
RBL
RGB BLANKING
0
not active
1
active
Table 32 Noise coring (peaking)
COR
NOISE CORING
0
off
1
on
Table 33 Enable fast blanking RGB-1
IE1
FAST BLANKING
0
not active
1
active
Table 34 Enable fast blanking RGB-2 (TDA 885X)
IE2
FAST BLANKING
0
not active
1
active
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