HD66108 Datasheet, PDF (30/60 Pages) Hitachi Semiconductor – (RAM-Provided 165-Channel LCD Driver for Liquid Crystal Dot Matrix Graphics)

HD66108
Control register ROS bit = 11
DUTY bit = 001
LCD driving voltages:
VMH1 = V3, VML1 = V4,
VMH2 = V3, VML2 = V4,
VMH3 = V2, VML3 = V5
132-column
driver
HD66108T
33-row
driver
X0---
---X31 ^X32---
---X99 ^X100---
---X131 ^X132---
---X164
Column driver
Column driver
Column driver
Row driver
X address
8 bits/1 word
6 bits/1 word
Block A (32 bits)
4 bytes
0123
5 words + 2 bits
01234
Block B (68 bits)
Block C (32 bits)
Block D (33 bits)
8 bytes + 4 bits
Row data
4 bits + 3 bytes +
protected block
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
132 × 33-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
Y29 0 0 1 0 0
Y31 0 1 0 1 0
Y32 1 0 0 0 1
Y33 0 0 0 0 0
Y34
Y63
Y64
Display data
Invalid display data
X128 X130 X132 X134
X127 X129 X131 X133
11100000
10010000
11100000
X162 X164
X163
001
010
100
Row data
Valid
display area
00001001
00011010
00100100
00000000
000
000
000
000
Invalid
display area
Accessible area
Area protected with
PON = 1
Figure 18 Relationship between Row Data and Display
(33-Row Output from the Right Side, 1/34 Multiplexing Duty Ratio)
983