HD66766R Datasheet, PDF (96/97 Pages) Hitachi Semiconductor – 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors

HD66766R
Rev. 1.0-1 / September 2002
0.6
0.5
0.4
0.3
0.2
0.1
0
0
5
10
Resistance of ITO wiring (Ω)
RAM access
frequency
1MHz
2MHz
3MHz
4MHz
15
Figure 2 VCH voltage decrease depending on RAM access frequency and Resistance of ITO wiring
Power Supply
Circuit
RAM, LOGIC
Power Supply
Circuit
Vcc Vcc Vcc Vcc Vcc Vcc Vcc Vcc ^{AGND AGND GND GND GND GND AGND AGND RESET2*}
ITO
ITO
ITO
ITO
Slit
Figure 3 Recommended ITO Connection Pattern (HCD667X66)
Power Supply
Circuit
RAM, LOGIC
Power Supply
Circuit
Vcc Vcc Vcc Vcc AVcc AVcc AVcc AVcc ^{AGND AGND GND GND GND GND AGND AGND RESET2*}
ITO
ITO
ITO
ITO
ITO
Slit
Figure 4 Recommended ITO Connection Pattern (HCD667X66R)
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