•
Colour decoder which needs only one 12 MHz reference crystal (or external clock signal) for all
standards
•
Blanking of the ‘helper signals’ for PAL
PLUS
and EDTV-2
•
Several picture improvement features.
•
Internal base-band delay line
•
YUV interface
•
Linear RGB input and fast blanking
•
RGB control circuit with ‘Continuous Cathode Calibration’, white point and black level offset
adjustment so that the colour temperature of the dark and the light parts of the screen can be chosen
independently.
•
Adjustable peak white limiting circuit
•
Half-tone (contrast reduction) possibility during mixed-mode of OSD and text signals
•
Possibility to insert a ‘blue back’ option when no video signal is available
•
Horizontal synchronisation with two control loops and alignment-free horizontal oscillator
•
Vertical count-down circuit
•
Vertical driver optimised for DC-coupled vertical output stages for improved geometry
•
Vertical geometry processing.
•
Low-power start-up for the horizontal drive circuit
•
I
2
C-bus control of various functions
•
QSS sound IF amplifier
•
AM sound demodulator
•
PAL decoder
•
SECAM decoder
•
NTSC decoder
•
Additional RGB/ YUV input
•
Black stretch and Blue stretch
•
Dynamic skin tone control and coring on complete video signal
•
Video dependent coring and Colour Transient Improvement
•
White stretch and green enhancement
•
Horizontal geometry (EW)
•
Horizontal and vertical zoom
•
Horizontal parallelogram and angle correction
•
2
nd
CVBS output
•
Additional YUV/ RGB input with saturation control
•
2 (I
2
C- bus controlled) switch outputs, which can be used to switch external circuits
16.1.3.
Pin Description
1
IF input 1
2
IF input 2
3
EHT/overvoltage protection input
4
vertical sawtooth capacitor
5
reference current input
6
ground (vision/QSS IF amplifier and sound)
7
tuner AGC output
8
de-emphasise (front-end sound out) or selected sound out or AM sound in
(1)
SIF input 1
9
decoupling sound demodulator SIF input 2
10
narrow-band PLL filter AGC sound IF
11
external audio input QSS intercarrier out or AM output or external audio input
(2)
12
internally connected
13
half tone (contrast reduction)
14
low-power start-up
15
IF-PLL loop filter
16
IF video output
17
serial clock input
18
serial data input/output
19
white stretch capacitor
20
chrominance input (S-VHS)
21
external CVBS/Y 3 input
22
output switch 1 (I
2
C)
23
main supply voltage (+8V) (vision/QSS amplifier, filters, CTI and sound)
