HD66781 Datasheet, PDF (165/196 Pages) Renesas Technology Corp – 720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM

HD66781
Formulas for calculating voltage (Negative polarity) (1)
Pins
Formula
KVN0
KVN1
KVN2
KVN3
KVN4
KVN5
KVN6
KVN7
KVN8
KVN9
KVN10
KVN11
KVN12
KVN13
KVN14
KVN15
KVN16
KVN17
KVN18
KVN19
KVN20
KVN21
KVN22
KVN23
KVN24
KVN25
KVN26
KVN27
KVN28
KVN29
KVN30
KVN31
KVN32
KVN33
KVN34
KVN35
KVN36
KVN37
KVN38
KVN39
KVN40
KVN41
KVN42
KVN43
KVN44
KVN45
KVN46
KVN47
KVN48
KVN49
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
VDH-
V*VxRN0/SUMRN
V*(VxRN0+5R)/SUMRN
V*(VxRN0+9R)/SUMRN
V*(VxRN0+13R)/SUMRN
V*(VxRN0+17R)/SUMRN
V*(VxRN0+21R)/SUMRN
V*(VxRN0+25R)/SUMRN
V*(VxRN0+29R)/SUMRN
V*(VxRN0+33R)/SUMRN
V* VxRN0+33R+VRHN /SUMRN
V* VxRN0+34R+VRHN /SUMRN
V* VxRN0+35R+VRHN /SUMRN
V* VxRN0+36R+VRHN /SUMRN
V* VxRN0+37R+VRHN /SUMRN
V* VxRN0+38R+VRHN /SUMRN
V* VxRN0+39R+VRHN /SUMRN
V* VxRN0+40R+VRHN /SUMRN
V* VxRN0+45R+VRHN /SUMRN
V* VxRN0+46R+VRHN /SUMRN
V* VxRN0+47R+VRHN /SUMRN
V* VxRN0+48R+VRHN /SUMRN
V* VxRN0+49R+VRHN /SUMRN
V* VxRN0+50R+VRHN /SUMRN
V* VxRN0+51R+VRHN /SUMRN
V* VxRN0+52R+VRHN /SUMRN
V* VxRN0+68R+VRHN /SUMRN
V* VxRN0+69R+VRHN /SUMRN
V* VxRN0+70R+VRHN /SUMRN
V* VxRN0+71R+VRHN /SUMRN
V* VxRN0+72R+VRHN /SUMRN
V* VxRN0+73R+VRHN /SUMRN
V* VxRN0+74R+VRHN /SUMRN
V* VxRN0+75R+VRHN /SUMRN
V* VxRN0+80R+VRHN /SUMRN
V* VxRN0+81R+VRHN /SUMRN
V* VxRN0+82R+VRHN /SUMRN
V* VxRN0+83R+VRHN /SUMRN
V* VxRN0+84R+VRHN /SUMRN
V* VxRN0+85R+VRHN /SUMRN
V* VxRN0+86R+VRHN /SUMRN
V* VxRN0+87R+VRHN /SUMRN
V* VxRN0+87R+VRHN+VRLN /SUMRN
V* VxRN0+91R+VRHN+VRLN /SUMRN
V* VxRN0+95R+VRHN+VRLN /SUMRN
V* VxRN0+99R+VRHN+VRLN /SUMRN
V* VxRN0+103R+VRHN+VRLN /SUMRN
V* VxRN0+107R+VRHN+VRLN /SUMRN
V* VxRN0+111R+VRHN+VRLN /SUMRN
V* VxRN0+115R+VRHN+VRLN /SUMRN
V* VxRN0+120R+VRHN+VRLN /SUMRN
Note 1) Sum of ladder resistors with positive polarities = 128R+VRHP+VRLP+VRP0+VRP1
Note 2) Sum of ladder resistors with negative polarities = 128R+VRHN+VRLN+VRN0+VRN1
Note 3) ∆V :Electric potential difference between VDH and VGS
Preliminary
Fine-adjustment
registers
PKN0[2:0]=”000”
PKN0[2:0]=”001”
PKN0[2:0]=”010”
PKN0[2:0]=”011”
PKN0[2:0]=”100”
PKN0[2:0]=”101”
PKN0[2:0]=”110”
PKN0[2:0]=”111”
PKN1[2:0]=”000”
PKN1[2:0]=”001”
PKN1[2:0]=”010”
PKN1[2:0]=”011”
PKN1[2:0]=”100”
PKN1[2:0]=”101”
PKN1[2:0]=”110”
PKN1[2:0]=”111”
PKN2[2:0]=”000”
PKN2[2:0]=”001”
PKN2[2:0]=”010”
PKN2[2:0]=”011”
PKN2[2:0]=”100”
PKN2[2:0]=”101”
PKN2[2:0]=”110”
PKN2[2:0]=”111”
PKN3[2:0]=”000”
PKN3[2:0]=”001”
PKN3[2:0]=”010”
PKN3[2:0]=”011”
PKN3[2:0]=”100”
PKN3[2:0]=”101”
PKN3[2:0]=”110”
PKN3[2:0]=”111”
PKN4[2:0]=”000”
PKN4[2:0]=”001”
PKN4[2:0]=”010”
PKN4[2:0]=”011”
PKN4[2:0]=”100”
PKN4[2:0]=”101”
PKN4[2:0]=”110”
PKN4[2:0]=”111”
PKN4[2:0]=”000”
PKN5[2:0]=”001”
PKN5[2:0]=”010”
PKN5[2:0]=”011”
PKN5[2:0]=”100”
PKN5[2:0]=”101”
PKN5[2:0]=”110”
PKN5[2:0]=”111”
Reference
voltage
VINN0
VINN1
VINN2
VINN3
VINN4
VINN5
VINN6
VINN7
Rev.0.5, July.31.2003, page 165 of 196