HD66520 Datasheet, PDF (22/45 Pages) Hitachi Semiconductor – 160-Channel 4-Level Grayscale Display Column Driver with Internal Bit-Map RAM

HD66520T
CPU
D1
DB7
D0
DB6
D3
DB5
D2
DB4
D5
DB3
D4
DB2
D7
DB1
D6
DB0
HD66520
HD66520
11000000
11000000
11000000
11111100
10010 101
10010 101
10010 101
10101 001
Display
memory
1111000011000000
1100110011000000
1100110011000000
1111000011111100
10100 10110010 101
10011 00110010 101
10011 00110010 101
10100 10110101 001
Display
memory
11110000
11001100
11001100
11110000
10100 101
10011 001
10011 001
10100 101
Y159 Y157
Y160 Y158
Y4 Y3 Y2 Y1 Y159 Y157
Y160 Y158
Y4 Y3 Y2 Y1
Liquid crystal
display image
Figure 17 Quarter VGA Size (4)
1035