TDA4856 Datasheet, PDF (36/56 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors

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FUNCTION
Moire
cancellation via
vertical position
Moire
cancellation via
horizontal
position
Vertical focus
Horizontal focus
Horizontal focus
pre-correction
NAME
BITS
SAD1
(HEX)
SAD2
(HEX)
D7
REGISTER ASSIGNMENT
D6 D5 D4 D3 D2 D1
D0
CONTROL
BIT
RANGE
VMOIRE 6 00 80 X X D5 D4 D3 D2 D1 D0 MOD 0 to 0.08% of
vertical amplitude
HMOIRE 6 06 86 X X D5 D4 D3 D2 D1 D0 MOD 0.07% of horizontal
period
VFOCUS 4 0E 8E D7 D6 D5 D4 # # # #
−
0 to 1.1 V
HFOCUS 5 0C 8C # # X D4 D3 D2 D1 D0
−
0 to 3.3 V
HFOCAD 2 0C 8C D7 D6 X # # # # #
−
300 to 450 ns
FUNCTION
TRACKS WITH
−
−
VSIZE, VOVSCN
and VPOS
−
−
Notes
1. X = don’t care.
2. # = this bit is occupied by another function. If the register is addressed, the bit values for both functions must be transferred.