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1997 Nov 25
23
Philips Semiconductors
Product specification
150 MHz video controller with I
2
C-bus
TDA4885
Fig.6 Definition of output signals.
handbook, full pagewidth
pins 30, 25 and 20
PEDST = 0
no pedestal blanking
maximum gain setting,
nominal contrast setting,
maximum/minimum
brightness setting
reference black level
colour signals
video signals
video black levels at
maximum brightness
minimum brightness
MHA613
Fig.7 Timing of pulses at pin 5 and derived internal pulses.
handbook, full pagewidth
MHA347
tdl5
tdt5
tdl5
trf5
≤
75 ns/V
1.4 V
3 V
internal pulse for
blanking
internal pulse for
input clamping
input pulses at pin 5