hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 120

• Manufacturer Part Number: hd66789
• Description: 528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
• Manufacturer: Renesas Electronics Corporation.

HD66789
Formulas for calculating voltage (Negative polarity) (2)
Rev.0.12, May 09 2003, page 120 of 156
Grayscale
Voltage
Note : Make sure DDVDH - V0 > 0.5V
V0
V1
V2
V3
V4
V5
V6
V7
V8
V9
V10
V11
V12
V13
V14
V15
V16
V17
V18
V19
V20
V21
V22
V23
V24
V25
V26
V27
V28
V29
V30
V31
VINN0
V4+(VINN1-V4)*(15/24)
V4+(VINN1-V4)*(8/24)
V4+(VINN1-V4)*(4/24)
VINN2
V10+(V4-V10)*(20/24)
V10+(V4-V10)*(16/24)
V10+(V4-V10)*(12/24)
V10+(V4-V10)*(8/24)
V20+(V8-V20)*(4/24)
VINN3
V21+(V10-V21)*(21/24)
V21+(V10-V21)*(19/24)
V21+(V10-V21)*(17/24)
V21+(V10-V21)*(15/24)
V21+(V10-V21)*(13/24)
V21+(V10-V21)*(11/24)
V21+(V10-V21)*(9/24)
V21+(V10-V21)*(7/24)
V21+(V10-V21)*(5/24)
V21+(V10-V21)*(3/24)
VINN4
V27+(V21-V27)*(20/24)
V27+(V21-V27)*(16/24)
V27+(V21-V27)*(12/24)
V27+(V21-V27)*(8/24)
V27+(V21-V27)*(4/24)
VINN5
VINN6 +(V27-VINN6)*(20/24)
VINN6 +(V27-VINN6)*(16/24)
VINN6 +(V27-VINN6)*(9/24)
VINN7
DDVDH - V4 > 1.1V
Formula
Preliminary