DLR1414 Datasheet, PDF (3/5 Pages) Siemens Semiconductor Group – 145 4-character 5 x 7 Dot Matrix Alphanumeric Intelligent Display with Memory/Decoder/Driver

Loading Data State Table
WR A1 A0 D6 D5 D4 D3 D2 D1 D0
Digit
3210
H
previously loaded display
GR E Y
L
L L H L L L H L H GR E E
L
L H H L H L H L H GR UE
L
H L H L L H H L L GL UE
L
H H H L L L L H L BL UE
L
L H H L L L H L H BL EE
L
L L H L H L H H H BL EW
L
XX
see character code
see character set
X=don’t care
Figure 3. Typical interconnection for 32 characters
V+
V-
D31 D28 D27 D24 D23 D20 D19 D16 D15 D12 D11 D8 D7 D4 D3 D0
DATA ^{D0-D6 7}
ADDRESS ^{A0 A1 2}
ADDRESS A2
A3
A4
WRITE
7
A
6
5
B₄
C₃
G2
1
0
74138
DLR/DLO/DLG1414
2–3