29
BATRON
Character
LCD Modules
5 mm Character Height LCD Modules
a73 MECHANICAL DATA
Parameter Width x Height x Depth Unit
Outline Dimensions 116 x 37 x 10 (with LED: 13) mm
Effective viewing area 83 x 18.6 mm
Dot Size 0.55 x 0.65 mm
Dot Pitch 0.60 x 0.70 mm
Character Matrix 5 x 7 dots
Character Size 3.2 x 4.85 mm
Character Pitch 3.7 x 5.95 mm
Weight Approximate 51 (with LED: 67) g
a73 ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Min. Max. Unit
Supply Voltage (Logic) V
DD
(V
DD
-V
SS
) 0 7.0 V
Supply Voltage (LCD Driver) V
EE
(V
DD
-V
0
) 0 13.5 V
Input Voltage V
I
V
SS
V
DD
V
Operating Temperature T
OP
See Page 11 °C
Storage Temperature T
ST
See Page 11 °C
a73 ELECTRICAL CHARACTERISTICS
Condition: Ta = 25°C, V
DD
= 5.0
± 0.25
V
Parameter Symbol Min. Typ Max. Unit
Input Voltage HIGH V
INH
2.2 --- --- V
Input Voltage LOW V
INL
--- --- 0.6 V
Output Voltage HIGH V
OH 2.4 --- --- V
Output Voltage LOW V
OL --- --- 0.4 V
Supply Current (Logic) I
DD
--- 1.6 --- mA
Supply Current (LCD Driver) I
0
--- 0.5 --- mA
Duty Ratio --- --- 1 / 16 --- ---
a73 LED BACKLIGHT (STANDARD COLOR GREEN)
Parameter Symbol Min. Typ Max. Unit
Supply Voltage V
F
3.8 4.1 4.4 V
Supply Current I
F
[at 25°C] --- 180 360 mA
Lamp Style --- --- 04 --- ---
LED Segments --- --- 18 --- pcs
BT 22005
2 Lines x 20 Characters
a73 PIN TABLE
Pin Symbol Signal Description
1V
SS
GND (0 V)
2V
DD
Power Supply (5 V)
3V
0
Supply Voltage (LCD Driver)
4 RS Register Select - LOW = Instruction, High = Data
5 R / W Read / Write
LOW = MPU to LCM, HIGH = LCM to MPU
Enable
6 E R / W = LOW: Data are taking over at falling edge of E
R / W = HIGH: Data can be read at E = 1
7 to 14 DB
0
to DB
7
Data Bus - Software selectable 4 or 8 Bit Mode
15 +V
LED
Anode of LED Unit
16 -V
LED
Cathode of LED Unit
a73 ADDITIONAL INFORMATION
a78 Display Connector Type - SL-2-14-00 / 90
a78 Controller Type - SPLC 780 (1) or compatible
a73 BLOCK DIAGRAM
Dimensions [mm]
Dot Size
Data Modul AG - Landsberger Str. 322 - 80687 München - Tel. 089-56017-0 - Fax 089-56017-119 – www.data-modul.de