20x4 Character LCD display
● 5x7 dots with cursor, with icons
● Built-in controller RW1073
● +3.3V single power supply
● 1/33 duty cycle
● LED B/L pins:23/24
BC2004H
BC2004H is Big Font 20x4 characters LCD Module (LCM) made using Chip on Board (COB) method and comes with metal frame.
Character size is (0.48 x 0.81) mm.
Module dimension of BC2004H is (75.0 x 45.8) mm and viewing area is (61.0 x 38.0) mm.
It has built-in controller RW1073 (or equivalent) that provides different language options, English, Japanese, Chinese, Western & Eastern European, Russian etc.
● Mechanical Data
|
Item |
Standard Value |
Unit |
|
Module Dimension |
75.0 x 45.8 |
mm |
|
Viewing Area |
61.0 x 38.0 |
mm |
|
Dot Size |
0.45 x 0.78 |
mm |
|
Character Size |
0.48 x 0.81 |
mm |
● Pin Assignment
Pin
Symbol
Description
1
VSS
Ground
2
VDD
Supply Voltage for logic
3
VCI
Operating voltage for LCD
4
/RES
System reset pin. Active low
5
RS
Command/data
6
R/W
H:Read L:Write
7
E
Chip enable signal
8~13
NC
Not used
14
VSS
Ground
15~22
D0~D7
Data bus line
23
A
Power supply B/L (+)
24
K
Power supply B/L (-)
