tda4856-v6 NXP Semiconductors, tda4856-v6 Datasheet - Page 40

• Manufacturer Part Number: tda4856-v6
• Description: I2c-bus Autosync Deflection Controller For Pc Monitors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Start-up and shut-down sequences
2003 Sep 30
handbook, full pagewidth
handbook, full pagewidth
I
PC monitors
(1) See Fig.23a.
(2) See Fig.23b.
2
C-bus autosync deflection controller for
V CC
V CC
Fig.22 Activation of start-up and shut-down sequences via supply voltage.
3.5 V
8.6 V
continuous blanking activated on pins CLBL and HUNLOCK
PLL2 soft down sequence is triggered
continuous blanking activated on pins CLBL and HUNLOCK
8.1 V
no data accepted from I
video clamping pulse and vertical outputs disabled
b. Shut-down sequence.
a. Start-up sequence.
8.3 V
40
8.6 V
data accepted from I
video clamping pulse and vertical outputs
3.5 V
2
C-bus
continuous blanking off
PLL2 soft start/soft down enabled
(2)
enabled if control bit STDBY = 0
continuous blanking disappears
2
C-bus
(1)
time
time
MGS277
MGS278
Product specification
TDA4856