HD66773R Datasheet, PDF (90/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
The grayscale levels (V0-V31) are calculated according to the following formulas.
Formulas for calculating voltage (Positive polarity) (1)
Pins
KVP0
KVP1
KVP2
KVP3
KVP4
KVP5
KVP6
KVP7
KVP8
KVP9
KVP10
KVP11
KVP12
KVP13
KVP14
KVP15
KVP16
KVP17
KVP18
KVP19
KVP20
KVP21
KVP22
KVP23
KVP24
KVP25
KVP26
KVP27
KVP28
KVP29
KVP30
KVP31
KVP32
KVP33
KVP34
KVP35
KVP36
KVP37
KVP38
KVP39
KVP40
KVP41
KVP42
KVP43
KVP44
KVP45
KVP46
KVP47
KVP48
KVP49
Formula
VREG1OUT-䂦V*VRP0/SUMRP
VREG1OUT-ٌV*(VRP0+5R)/SUMRP
VREG1OUT-ٌV*(VRP0+9R)/SUMRP
VREG1OUT-ٌV*(VRP0+13R)/SUMRP
VREG1OUT-ٌV*(VRP0+17R)/SUMRP
VREG1OUT-ٌV*(VRP0+21R)/SUMRP
VREG1OUT-ٌV*(VRP0+25R)/SUMRP
VREG1OUT-ٌV*(VRP0+29R)/SUMRP
VREG1OUT-ٌV*(VRP0+33R)/SUMRP
VREG1OUT-ٌV*(VRP0+33R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+34R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+35R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+36R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+37R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+38R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+39R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+40R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+45R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+46R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+47R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+48R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+49R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+50R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+51R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+52R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+68R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+69R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+70R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+71R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+72R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+73R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+74R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+75R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+80R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+81R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+82R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+83R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+84R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+85R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+86R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+87R+VRHP)/SUMRP
VREG1OUT-ٌV*(VRP0+87R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+91R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+95R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+99R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+103R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+107R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+111R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+115R+VRHP+VRLP)/SUMRP
VREG1OUT-ٌV*(VRP0+120R+VRHP+VRLP)/SUMRP
Micro-adjsting Reference
register value
voltage
-
VINP0
PKP02-00 = "000"
PKP02-00 = "001"
PKP02-00 = "010"
PKP02-00 = "011"
PKP02-00 = "100"
VINP1
PKP02-00 = "101"
PKP02-00 = "110"
PKP02-00 = "111"
PKP12-10 = "000"
PKP12-10 = "001"
PKP12-10 = "010"
PKP12-10 = "011" _VINP2
PKP12-10 = "100"
PKP12-10 = "101"
PKP12-10 = "110"
PKP12-10 = "111"
PKP22-20 = "000"
PKP22-20 = "001"
PKP22-20 = "010"
PKP22-20 = "011" _VINP3
PKP22-20 = "100"
PKP22-20 = "101"
PKP22-20 = "110"
PKP22-20 = "111"
PKP32-30 = "000"
PKP32-30 = "001"
PKP32-30 = "010"
PKP32-30 = "011" _VINP4
PKP32-30 = "100"
PKP32-30 = "101"
PKP32-30 = "110"
PKP32-30 = "111"
PKP42-00 = "000"
PKP42-40 = "001"
PKP42-40 = "010"
PKP42-40 = "011" _VINP5
PKP42-40 = "100"
PKP42-40 = "101"
PKP42-40 = "110"
PKP42-40 = "111"
PKP52-50 = "000"
PKP52-50 = "001"
PKP52-50 = "010"
PKP52-50 = "011"
PKP52-50 = "100"
VINP6
PKP52-50 = "101"
PKP52-50 = "110"
PKP52-50 = "111"
-
VINP7
SUMRP: Total of the positive-polarity ladder resistors = 128 R + VRHP + VRLP + VRP0 + VRP1
SUMRN: Total of the negative-polarity ladder resistors= 128 R + VRHN + VRLN + VRN0 + VRN1
ǍV: Voltage difference between VREG1OUT - VGS
Rev.1.10, Jun.21.2003, page 90 of 133