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The DMX 973 incorporates the latest LCD controller LSI to provide a unique combination of
ENGLISH
compact size and ease of use. Easy to install, it is pin compatible with any character display based
on the popular LCDII system. Any existing application can be upgraded to a graphic display with a
change of software (8 bit mode only). Supplied with bezel, window and clips.
• 'Supertwist' LCD
• High Contrast
• LED Backlight
PIN FUNCTIONS
1. 0V
Power supply.
2. +5V
3. Vee
LCD contrast control input (see diagram).
4. RS
Register Select input.
5. R/W
Read/Write input.
6. E
Enable signal.
7-14. D0-D7 8Bit bi-directional P data bus.
µ
15. LMP-
Backlight supply, maximum 90mA.
16. LMP+
READ/WRITE TIMING FOR THE 80-PORT MPU
TIMING CHART
AC CHARACTERISTICS
Parameter
tAH8
Address hold time
A0
Address set-up time
tAW8
tCYC8
tCC
System cycle time
WR, RD
Control pulse width
tDH8
Data set-up time
tDS8
Data hold time
D0-D7
(WRITE)
RD access time
tACC8
tOH8
Output disable time
D0-D7
(READ)
READ/WRITE TIMING FOR THE 68-PORT MPU
TIMING CHART
AC CHARACTERISTICS
Parameter
tCYC6
E
System cycle time
tEW
tAW6
Address set-up time
Address hold time
R/W
Data set-up time
tAH6
Data hold time
A0
tDS6
tDH6
Output disable time
D0-D7
Access time
(WRITE)
tACC6
tOH6
Enable pulse
D0-D7
width
(READ)
• Pin Compatible With Character Types
• 68XX or 80XX Interface
CONTRAST CONTROL
+5V
Vee
0V
Signal Symbol Condition Min.
Typ.
Max.
tAH8
10
-
A0
tAW8
20
-
tCYC8
1000
-
WR, RD
tCC
200
-
tDS8
80
-
D0-D7
tDH8
10
-
tACC8
-
-
CL=100pf
tOH8
10
-
Signal Symbol Condition Min.
Typ.
Max.
tCYC6
1000
-
A0, RW
tAW6
20
-
tAH6
10
-
tDS6
80
-
tDH6
10
-
D0-D7
tOH6
10
-
tACC6
-
-
Read
100
-
E
tEW
Write
80
-
2
VARIOUS OPERATING MODES
EXEMPLES DE MODES DE FONCTIONNEMENT
10-20kΩ
Unit
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
90
ns
60
ns
Unit
-
ns
-
ns
-
ns
-
ns
-
ns
60
ns
90
ns
-
ns
-
ns
VERSCHIEDENE BETRIEBSARTEN
ESEMPI DI MODALITA' DI FUNZIONAMENTO
R/W
R/W
A0
RS
68XX
A14
A15
E
VMA
Ø2
D0
D0
8
D7
D7
INTERFACE WITH 68XX
INTERFACE AVEC SERIE 68XX
INTERFACE MIT 68XX
INTERFACCIA CON 68XX
RD
E
80XX
WR
R/W
ALE
74LS373
EN
D0
RS
1D
1Q
5Q
D0
6Q
7Q
D7
D7
8D
8Q
8
INTERFACE WITH 80XX SERIES
INTERFACE AVEC SERIE 80XX
INTERFACE MIT SERIE 80XX
INTERFACCIA CON LA SERIE 80XX
15
LCD MODULE
MODULE LCD
LCD-MODUL
MODULO LCD
LCD MODULE
MODULE LCD
LCD-MODUL
MODULO LCD
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