hd66420 Renesas Electronics Corporation., hd66420 Datasheet - Page 12

• Manufacturer Part Number: hd66420
• Description: Ram-provided 160 Channel 4-level Grey Scale Driver For Dot Matrix Graphics Lcd
• Manufacturer: Renesas Electronics Corporation.

HD66420
LCD Driver Configuration
Row and column outputs: The HD66420 outputs row signals from both sides. In any case, each output’s
function is fixed; COM1 to COM80 output row signals and SEG1 to SEG160 output column signals.
12
Row outputs from
both sides of LCD
Figure 4 Common outputs from both sides
40-channel
row output
COM41 to
COM80
Dot-matrix Display
160-channel column
output
SEG1 to SEG160
160
HD66420
80
COM1 to
COM40
40-channel
row output