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
O
UTPUT CONTROL BITS
Table 61 Power-on-reset
POR
MODE
0
normal
1
power-down
Table 62 Field frequency indication
FSI
FREQUENCY
0
50 Hz
1
60 Hz
Table 63 Phase 1 (
) lock indication
1
SL
INDICATION
0
not locked
1
locked
Table 64 X-ray protection
XPR
OVERVOLTAGE
0
no overvoltage detected
1
overvoltage detected
Table 65 Colour decoder mode
CD2
CD1
CD0
0
0
0
no colour standard identified
0
0
1
NTSC with X-tal pin 34
0
1
0
PAL with X-tal pin 35
0
1
1
SECAM
1
0
0
NTSC with X-tal pin 35
1
0
1
PAL with X-tal pin 34
1
1
0
spare
Table 66 Output vertical guard
NDF
VERTICAL OUTPUT STAGE
0
OK
1
failure
Table 67 Indication RGB-1/2 (TDA 885X)insertion
INX
RGB INSERTION
0
no (pin 26/38 and/or 44 LOW)
1
yes (pin 26/38 and/or 44HIGH)
December 16, 1997
Table 68 Output video identification
IFI
0
1
Table 69 AFC output
AFA
0
0
1
1
Table 70 X-tal indication
SXA
0
0
1
1
Table 71 Condition black current loop
BCF
0
1
STANDARD
Table 72 Mask version indication
N2
0
1
Table 73 Condition vertical divider
IVW
0
1
25
Tentative Device Specification
TDA884X/5X-N2 series
VIDEO SIGNAL
no video signal identified
video signal identified
AFB
CONDITION
0
outside window; too low
1
outside window; too high
0
in window; below reference
1
in window; above reference
SXB
CONDITION
0
two 3.6 MHz X-tals
1
only 3.6 MHz X-tal
0
only 4.4 MHz X-tal
1
3.6 and 4.4 MHz X-tal
CONDITION
black current loop is stabilised
black current loop is not stabilised
MASK VERSION
N1 version
N2 version
STANDARD VIDEO SIGNAL
no standard video signal
standard video signal (525 or 625 lines)