AN.No.G1216B1N000-3D0E
- 12 -
62 63 641 2 3 4 5
COM62
COM63
COM64
0
0
0
1
1
1
1
1
1
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
1
1
1
1
1
00
0
11111
00000
0
0
0
0
0
0
0
0
0
0 1 0 0
DB0(LSB)
DB1
DB2
DB3
DB4
DB5
DB6
DB7(MSB)
Y
0
Y
1
Y
2
Y
3
Y
4
Y
61
Y
62
Y
63
X=1
X=2
X=7
X
=
0
Y-address
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
Display pattern
(Display start line: 0)
Segment driver output
Y1 to Y64
Data inside
display RAM
1 0 0 0
Line 0
Line 1
Line 2
Line 62
Line 63
Common driver
output
X1 to X64
Line address
X- address
(page)
(7) X, Y- address counter
X, Y-address counter is a 9-bit counter which gives the address of the interna l displa y data RAM. It is
necessary to set the X-address counter of the three upper bits, and the Y-address counter of the s ix
lower bits using differing instructions.
X-address counter
Address counter X is a simple register that is not provided with a count functio n. T he addres s is s et
by instruction.
Fi
g
ure 6 Relationship Between Displa
y
and Data Inside Displa
y
RAM