參數(shù)資料
型號： 8841-N2
廠商： NXP Semiconductors N.V.
英文描述： I2C-bus controlled PAL/NTSC/SECAM TV processors
中文描述： I2C總線控制的PAL / NTSC制式/ SECAM電視處理器
文件頁數(shù)： 21/68頁
文件大?。?/td> 316K
代理商： 8841-N2
December 16, 1997
21
Philips Semiconductors
Tentative Device Specification
I
2
C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
Table 19
Video ident mode
Table 20
Gain of luminance channel
Table 21
Vertical divider mode
Table 22
Search tuning mode
Table 23
Video ident mode
Table 24
Long blanking mode
Table 25
EHT tracking mode
Table 26
Enable vertical guard (RGB blanking)
VIM
MODE
0
1
ident coupled to internal CVBS (pin 13)
ident coupled to selected CVBS
GAI
MODE
0
1
normal gain (V27 = 1 VBL-WH)
high gain (V27 = 0.45 VP-P)
NCIN
VERTICAL DIVIDER MODE
0
1
normal operation
switched to search window
STM
MODE
0
1
normal operation
reduced sensitivity of video indent circuit
VID
VIDEO IDENT MODE
0
1
1 loop switched on and off
not active
LBM
BLANKING MODE
0
1
adapted to standard (50 or 60 Hz)
fixed in accordance with 50 Hz standard
HCO
TRACKING MODE
0
1
EHT tracking only on vertical
EHT tracking on vertical and EW
EVG
VERTICAL GUARD MODE
0
1
not active
active
Table 27
Service blanking
Table 28
Overvoltage input mode
Table 29
PAL-SECAM/NTSC matrix (TDA8841/2/3/4/54)
Table 30
NTSC matrix (TDA 8846/46A/47/57)
Table 31
RGB blanking
Table 32
Noise coring (peaking)
Table 33
Enable fast blanking RGB-1
Table 34
Enable fast blanking RGB-2 (TDA 885X)
SBL
SERVICE BLANKING MODE
0
1
off
on
PRD
OVERVOLTAGE MODE
0
1
detection mode
protection mode
MAT
MATRIX POSITION
0
1
adapted to standard
PAL matrix
MAT
MATRIX POSITION
0
1
Japanese matrix
USA matrix
RBL
RGB BLANKING
0
1
not active
active
COR
NOISE CORING
0
1
off
on
IE1
FAST BLANKING
0
1
not active
active
IE2
FAST BLANKING
0
1
not active
active
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