tda8374bh NXP Semiconductors, tda8374bh Datasheet - Page 25

• Manufacturer Part Number: tda8374bh
• Description: Tda837x Family I?c-bus Controlled Economy Pal/ntsc And Ntsc Tv-processors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 43 Fixed audio volume
Table 44 Demodulator frequency adjustment
O
Table 45 Power-on-reset
Table 46 Field frequency (TDA8374 and TDA8375)
Table 47 Phase 1 lock indication
Table 48 X-ray protection
Table 49 Colour decoder mode (TDA8374 and TDA8375)
1997 Jul 01
UTPUT CONTROL BITS
CD2
I
and NTSC TV-processors
POR
L’FA
XPR
FAV
FSI
2
SL
0
0
0
0
1
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
C-bus controlled economy PAL/NTSC
CD1
normal volume control
audio output level fixed
normal IF frequency
frequency shift for L’ standard
normal mode
power-down mode
50 Hz
60 Hz
not locked
locked
no overvoltage detected
overvoltage detected
0
0
1
1
0
0
1
1
CD0
0
1
0
1
0
1
0
1
OVERVOLTAGE
no colour standard identified
NTSC with crystal at pin 34
PAL with crystal at pin 35
SECAM
NTSC with crystal at pin 35
PAL with crystal at pin 34
spare
spare
FREQUENCY
INDICATION
STATE
STATE
MODE
STANDARD
25
Table 50 Output vertical guard
Table 51 Indication RGB insertion
Table 52 Output video identification
Table 53 AFC output
Table 54 Crystal indication
Table 55 Condition vertical divider
NDF
AFA
SXA
IVW
IN1
IFI
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
1
vertical output stage OK
failure in vertical output stage
no insertion
insertion
no video signal identified
video signal identified
no standard video signal detected
standard video signal detected
(525 or 625 lines)
AFB
SXB
0
1
0
1
0
1
0
1
VERTICAL OUTPUT STAGE
outside window; too low
outside window; too high
inside window; below reference
inside window; above reference
two 3.6 MHz crystals
one 3.6 MHz crystal
one 4.4 MHz crystal
3.6 MHz and 4.4 MHz crystals
RGB INSERTION
VIDEO SIGNAL
VIDEO SIGNAL
TDA837x family
CONDITION
Preliminary specification
CRYSTAL