TDA8841

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


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Page 21
22
Page 22
23
Page 23
24
Page 24
25
Page 25
26
Page 26
27
Page 27
28
Page 28
29
Page 29
30
Page 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Page 22/68

Download datasheet (317Kb)Embed
PrevNext
Philips Semiconductors
2
I
C-bus controlled PAL/NTSC/SECAM TV
processors
Table 35 AFC window
AFW
AFC WINDOW
0
normal
1
enlarged
Table 36 IF sensitivity
IFS
IF SENSITIVITY
0
normal
1
reduced
Table 37 Modulation standard
MOD
MODULATION
0
negative
1
positive
Table 38 Video mute
VSW
STATE
0
normal operation
1
IF-video signal switched off
Table 39 Sound mute
SM
STATE
0
normal operation
1
sound mute active
Table 40 Fixed audio volume
FAV
MODE
0
normal volume control
1
audio output level fixed
Table 41 PLL demodulator frequency adjust
IFA
IFB
IFC
IF FREQUENCY
0
0
0
58.75 MHz
0
0
1
45.75 MHz
0
1
0
38.90 MHz
0
1
1
38.00 MHz
1
0
0
33.40 MHz
1
1
0
33.90 MHz
December 16, 1997
Tentative Device Specification
TDA884X/5X-N2 series
Table 42 Switch-off in vertical overscan
OSO
0
Switch-off undefined
1
Switch-off in vertical overscan
Table 43 Vertical scan disable
VSD
0
Vertical scan active
1
Vertical scan disabled
Table 44 Chroma bandpass centre frequency
CB
CENTRE FREQUENCY
0
F
SC
1
1.1 x F
SC
Table 45 Blue stretch
BLS
BLUE STRETCH MODE
0
off
1
on
Table 46 Black stretch
BKS
BLACK STRETCH MODE
0
off
1
on
Table 47 2nd CVBS output (TDA 885X)
CS1
CS0
CVBS-2 OUTPUT
0
0
internal CVBS
0
1
external CVBS
1
0
Y/C (Y + C)
1
1
CVBS-3
Table 48 Blue back when no video signal is identified
BB
BLUE BACK
0
off
1
on
Table 49 Helper output blanking (PAL
HOB
OUTPUT BLANKING
0
not active
1
active
22
MODE
MODE
PLUS
)