Philips Semiconductors
Product specification
I2C-bus autosync deflection controller for
PC monitors
TDA4856
handbook, full pagewidth
horizontal oscillator sawtooth
at HCAP (pin 29)
horizontal sync pulse
PLL1 control current
at HPLL1 (pin 26)
-
+
video clamping pulse
at CLBL (pin 16)
vertical blanking level
triggered on trailing edge
of horizontal sync
line flyback pulse
at HFLB (pin 1)
PLL2 control current
at HPLL2 (pin 30)
–
+
PLL2
control range
line drive pulse
at HDRV (pin 8)
45 to 52% of line period
horizontal focus parabola
at FOCUS (pin 32)
MGS275
Fig.15 Pulse diagram for horizontal part.
31
1999 Jul 13
NXP [ NXP ]
