HD66108 Datasheet, PDF (20/60 Pages) Hitachi Semiconductor – (RAM-Provided 165-Channel LCD Driver for Liquid Crystal Dot Matrix Graphics)

X address counted
0 Set address
1 Write display data
2
Valid addresses
HD66108
20
Reset X address
21 Dummy read/write
Invalid addresses
31
(1) Example of X Address Counter Increment
(Word Length: 8 Bits)
Y address counted
0 Set address
1 Write display data
2
Valid display area
31
Reset Y address
32 Dummy read/write
Invalid display area
127
(2) Example of Y Address Counter Increment
(Multiplexing Duty Ratio: 1/32)
Figure 10 X/Y Address Counter Increment
973