TDA4841PS Datasheet, PDF (41/60 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors

Philips Semiconductors
I²C-bus autosync deflection controller for
PC monitors
Start-up and shut-down sequences
Product specification
TDA4841PS
handbook, full pagewidth
VCC
MGM082
8.6 V continuous blanking off
PLL2 soft start/soft-down enabled⁽¹⁾
8.3 V data accepted from I²C-bus
video clamping pulse enabled if control bit STDBY = 0
handbook, full pagewidth
VCC
3.5 V continuous blanking (pin 16 and 17) activated
a. Start-up sequence.
8.6 V continuous blanking (pin 16 and 17) activated
PLL2 soft-down sequence is triggered⁽²⁾
8.1 V no data accepted from I²C-bus
video clamping pulse disabled
time
MGM083
3.5 V continuous blanking disappears
time
b. Shut-down sequence.
(1) See Fig.23a.
(2) See Fig.23b.
Fig.22 Activation of start-up and shut-down sequences via supply voltage.
1999 Oct 25
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