a73 BLOCK DIAGRAM
34
BATRON
Character
LCD Modules
5 mm Character Height LCD Modules
a73 MECHANICAL DATA
Parameter Width x Height x Depth Unit
Outline Dimensions 196 x 56 x 11 (with LED: 14) mm
Effective viewing area 154.4 x 27.6 mm
Dot Size 0.55 x 0.6 mm
Dot Pitch 0.65 x 0.70 mm
Character Matrix 5 x 7 dots
Character Size 3.15 x 5.90 mm
Character Pitch 3.75 x 5.90 mm
Weight Approximate 129 (with LED: 169) 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
--- 3.0 --- 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] --- 340 460 mA
Lamp Style --- --- 04 --- ---
LED Segments --- --- 36 --- pcs
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
6 NC Not Connected
7 to 14 DB
0
to DB
7
Data Bus - Software selectable 4 or 8 Bit Mode
15 E 1 Enable Signal of HD 44780 No.1
16 E 2 Enable Signal of HD 44780 No.2
A+V
LED
Anode of LED Unit
K-
LED
Cathode of LED Unit
a73 ADDITIONAL INFORMATION
a78 Display Connector Type - without LED: 1 x 16 pin or 2 x 8 pin
a78 Display Connector Type - with LED: See Drawing
a78 Controller Type - SPLC 780 (2) or compatible
BT 44005
4 Lines x 40 Characters
Dot Size
Dimensions [mm]
Controller
Controller
Data Modul AG - Landsberger Str. 322 - 80687 München - Tel. 089-56017-0 - Fax 089-56017-119 – www.data-modul.de