TDA9330 Philips Semiconductors, TDA9330 Datasheet - Page 41

• Manufacturer Part Number: TDA9330
• Description: I2C-bus controlled TV display processors
• Manufacturer: Philips Semiconductors

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V D
H D
Internal
2f H clock
Reset vertical
sawtooth
H D
AKB pulses
Vertical
blank
V D
H D
Internal
2f H clock
Reset vertical
sawtooth
Vertical sawtooth
measure pulse
AKB pulses
Vertical
blank
V D
AKB pulses
Vertical
blank
RESET LINE COUNTER
RESET LINE COUNTER = REFERENCE VWAIT
Fig.13 Vertical timing pulses for 2f
REFERENCE VWAIT
2f H TV mode (VSR = 0)
2f H VGA mode
VWAIT = 18
VWAIT = 12
H
TV mode and VGA mode.
L
L
R
R
L
G
R
G
B
G
B
B
MGR454
1st
field
2nd
field