42 8 mm Character Height LCD Modules - MACRO LINE
BATRON
Character
LCD Modules
a73 BLOCK DIAGRAM
a73 MECHANICAL DATA
Parameter Width x Height x Depth Unit
Outline Dimensions 146 x 62.5 x 10 (with LED: 13.5) mm
Effective viewing area 123.0 x 42.5 mm
Dot Size 0.92 x 1.10 mm
Dot Pitch 0.98 x 1.16 mm
Character Matrix 5 x 7 dots
Character Size 4.84 x 8.06 mm
Character Pitch 6.0 x 9.75 mm
Weight Approximate 100 (with LED: 120) 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
* AV-Types See Page 13
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
--- 1.5 --- 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 4.0 4.2 V
Supply Current I
F
[at 25°C] --- 540 810 mA
Lamp Style --- --- 04 --- ---
LED Segments --- --- 54 --- 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
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 NC Not Connected Only AV-Type
16 NC Not Connected Only AV-Type
17 VEE* Negative Voltage Output Only AV-Type
18 NC Not Connected Only AV-Type
A+V
LED
Anode of LED Unit
K-
LED
Cathode of LED Unit
*AV-Type: do not connect
a73 ADDITIONAL INFORMATION
a78 Display Connector Type - without LED: 1 x 14 pin
a78 Display Connector Type - with LED: See Drawing
a78 Controller Type - SPLC 780 (1) or compatible
BT 42008
4 Lines x 20 Characters
Dot SizeDimensions [mm]
Controller
Data Modul AG - Landsberger Str. 322 - 80687 München - Tel. 089-56017-0 - Fax 089-56017-119 – www.data-modul.de