tda8374bh NXP Semiconductors, tda8374bh Datasheet - Page 23

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

Philips Semiconductors
Table 16 Interlace
Table 17 Standby
Table 18 Synchronization mode
Table 19 Colour decoder mode
Table 20 Automatic volume levelling
Table 21 RGB blanking mode (TDA8375 and TDA8377)
1997 Jul 01
CM2
I
and NTSC TV-processors
POC
HBL
STB
AVL
0
0
0
0
1
1
1
1
2
DL
0
1
0
1
0
1
0
1
0
1
C-bus controlled economy PAL/NTSC
CM1
(TDA8373 and TDA8374)
interlace
de-interlace
standby
normal
synchronization active
synchronization not active
automatic volume levelling not active
automatic volume levelling active
normal blanking with horizontal blanking
pulse
wider blanking to obtain well defined edges
0
0
1
1
0
0
1
1
CM0
0
1
0
1
0
1
0
1
not forced, own intelligence, two
crystals
forced crystal pin 34
(PAL/NTSC)
forced crystal pin 34 (PAL)
forced crystal pin 34 (NTSC)
forced crystal pin 35
(PAL/NTSC)
forced crystal pin 35 (PAL)
forced crystal pin 35 (NTSC)
forced SECAM crystal pin 35
STATUS
LEVEL
MODE
MODE
MODE
DECODER MODE
23
Table 22 Black current stabilization
Table 23 Video identification mode
Table 24 Gain of luminance channel
Table 25 Vertical divider mode
Table 26 Search tuning mode
Table 27 Video identification mode
Table 28 Long blanking mode (TDA8374 and TDA8375)
NCIN
AKB
STM
LBM
VIM
GAI
VID
0
1
0
1
0
1
0
1
0
1
0
1
0
1
black-current stabilization on
black-current stabilization off
video identification coupled to the internal
CVBS input (pin 13)
video identification coupled to the selected
CVBS input
normal gain of luminance channel
[V
high gain of luminance channel
[V
normal operation of the vertical divider
vertical divider switched to search window
normal operation
reduced sensitivity of the coincidence
detector (bit SL)
video identification switches phase 1 loop on
and off
video identification not active
blanking adapted to standard (50 or 60 Hz)
fixed blanking in accordance with 50 Hz
standard
27
27
= 1.0 V (b-w)]
= 0.45 V (p-p)]
VERTICAL DIVIDER MODE
SEARCH TUNING MODE
VIDEO IDENT MODE
VIDEO IDENT MODE
BLANKING MODE
STABILIZATION
GAIN
TDA837x family
Preliminary specification