HD66520 Datasheet, PDF (16/45 Pages) Hitachi Semiconductor – 160-Channel 4-Level Grayscale Display Column Driver with Internal Bit-Map RAM

HD66520T
Application Example
The HD66520 is suitable for a 160-dot-wide by 240-dot-long display (small information devices); a 320-
dot-wide by 240-dot-long display (quarter VGA size); and a 320-dot-wide by 480-dot-long display (half
VGA size). All of these are standard sizes for portable information devices. The following shows the
system configuration.
Small-size information device
160-dot-wide by 240-dot-long
HD66520
160
240 ^Expands
horizontally
Quarter VGA size
320-dot-wide by 240-dot-long
HD66520
HD66520
160
160
240
160
320
Expands
horizontally
and vertically
Half VGA size
320-dot-wide by 480-dot-long
HD66520
HD66520
160
160
480
160
160
HD66520
HD66520
320
Figure 11 Application Examples
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