參數(shù)資料
型號: TDA8840
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): 22/68頁
文件大小: 316K
代理商: TDA8840
December 16, 1997
22
Philips Semiconductors
Tentative Device Specification
I
2
C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
Table 35
AFC window
Table 36
IF sensitivity
Table 37
Modulation standard
Table 38
Video mute
Table 39
Sound mute
Table 40
Fixed audio volume
Table 41
PLL demodulator frequency adjust
AFW
AFC WINDOW
0
1
normal
enlarged
IFS
IF SENSITIVITY
0
1
normal
reduced
MOD
MODULATION
0
1
negative
positive
VSW
STATE
0
1
normal operation
IF-video signal switched off
SM
STATE
0
1
normal operation
sound mute active
FAV
MODE
0
1
normal volume control
audio output level fixed
IFA
IFB
IFC
IF FREQUENCY
0
0
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
0
58.75 MHz
45.75 MHz
38.90 MHz
38.00 MHz
33.40 MHz
33.90 MHz
Table 42
Switch-off in vertical overscan
Table 43
Vertical scan disable
Table 44
Chroma bandpass centre frequency
Table 45
Blue stretch
Table 46
Black stretch
Table 47
2nd CVBS output (TDA 885X)
Table 48
Blue back when no video signal is identified
Table 49
Helper output blanking (PAL
PLUS
)
OSO
MODE
0
1
Switch-off undefined
Switch-off in vertical overscan
VSD
MODE
0
1
Vertical scan active
Vertical scan disabled
CB
CENTRE FREQUENCY
0
1
F
SC
1.1 x F
SC
BLS
BLUE STRETCH MODE
0
1
off
on
BKS
BLACK STRETCH MODE
0
1
off
on
CS1
CS0
CVBS-2 OUTPUT
0
0
1
1
0
1
0
1
internal CVBS
external CVBS
Y/C (Y + C)
CVBS-3
BB
BLUE BACK
0
1
off
on
HOB
OUTPUT BLANKING
0
1
not active
active
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