TDA4853 Datasheet, PDF (42/60 Pages) NXP Semiconductors – I2C-bus autosync deflection controllers for PC/TV monitors

Philips Semiconductors
I²C-bus autosync deflection controllers for
PC/TV monitors
Start-up sequence and shut-down sequence
Product specification
TDA4853; TDA4854
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 Figs 20, 21, 22, 26 and 27.
(2) See Figs 26b and 27b.
Fig.25 Start-up sequence and shut-down sequence.
1999 Jul 13
42