HD66108 Datasheet, PDF (27/60 Pages) Hitachi Semiconductor – (RAM-Provided 165-Channel LCD Driver for Liquid Crystal Dot Matrix Graphics)

HD66108
Control register ROS bit = 00
DUTY bit = 101
LCD driving voltages:
VMH1 = V3, VML1 = V4,
VMH2 = V3, VML2 = V4,
VMH3 = V3, VML3 = V4
Row driver
165-column
driver
HD66108T
X0---
---X31 ^X32---
---X99 ^X100---
---X131 ^X132---
---X164
Column driver
Column driver
Column driver
Column driver
Block A (32 bits)
Block B (68 bits)
Block C (32 bits)
Block D (33 bits)
X address
8 bits/1 word
6 bits/1 word
4 bytes
0123
5 words + 2 bits
01234
8 bytes + 4 bits
4 bits + 3 bytes +
4 bits
4 bits + 3 bytes +
5 bits
4
11 12 13 14 15 16 17 18 19 20
4 bits + 10 words + 4 bits
2 bits + 5 words
5 words + 3 bits
56
15 16 17 18 19 20 21 22 23 24 25 26 27
165 × 64-dot LCD
X0 X2 X4
X1 X3
Y0 0 1 1 0 0
Y1 1 0 0 1 0
Y2 1 1 1 1 0
Y3 1 0 0 1 0
Y4 1 0 0 1 0
Display data
X160 X162 X164
X161 X163
11100
10010
11100
10000
1 0 0 0 0 Valid
display area
Y62 0 0 1 0 0
Y63 0 1 0 1 0
Y64
Invalid display data
00001
00011
Invalid
display area
Figure 15 Relationship between Row Data and Display
(165-Column Output, 1/64 Multiplexing Duty Ratio)
980