LCD
LM038
• 20 Character x 1 line • Built-in control lSI HD44780 type (see page 23) • +5V single power supply
MECHANICAL D...
Description
LM038
20 Character x 1 line Built-in control lSI HD44780 type (see page 23) +5V single power supply
MECHANICAL DATA (Nominal dimensions) Module size ..... 182W x 35.5H(max.) x 130 (max.) mm Effective display area .......... 154.4W x 15.8H mm Character size (5 x 7 dots) .......... 6.7W x 9.4H mm Pitch .......................... 7.4 mm Dot size ...................... 1.3W x 1.3H mm Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . about 65 g
ABSOLUTE MAXIMUM RATINGS
min. max.
Power supply for logic (VOo-Vss) ........ 0 7.0V
Power supply for LCD drive (Voo-Vo) . . . . . 0 13.5 V
Input voltage (Vi) . . . . . . . . . . . . . . . . . . Vss Voo V
Operating temperature (Ta) . . . . . . . . . . . . . 0 50°C
Storage temperature (Tstg) . . . . . . . . . . .. -20 70°C
ELECTR ICAl CHARACTER ISTICS Ta = 25°C, VOO = 5~OV ± 0.25 V
Input "high" voltage (ViH) .............. 2.2 V min.
Input "low" voltage (ViLl .............. 0.6 V max.
Output high voltage (VOH) (-IOH = 0.2 mAl . 2.4 V min.
Output low voltage (VOL) (lOL = 1.2 mAl ... 0.4 V max.
Power supply current (100) (V DO = 5.0 V) .. 1.0 mA typo
2.0 mA max.
Power supply for LCD drive (Recommended) (VOo-Vo)
Du=1/8
at Ta = O°C
4.1 V typo
at Ta = 25°C
3.7 V typo
at Ta = 50°C
3.1 V typo
INTERNAL PIN CONNECTION
Pin No. 1 2 3 4
Symbol Vss Voo Va RS
Level -
-
-
H/L
5
RIW H/L
6
E
H,H~L
7
OBO H/L
8
OB1
H/L
9
OB2 H/L
10
OB3 H/L
11
OB4 H/L
12
OB5 H/L
13
DB6 H/L
14
OB7 H/L
Function
O...
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