HDM20216L-L
Dimensional Drawing
20 Character x 2 Lines, Large Character, LED Backlight
Dimension tolerance: +/-0.3mm
Features
Character Format .......................................5x7 Dots with Cursor
Backlight................................................................................LED
Options....TN/Gray STN/Yellow STN, 12 o’Clock/6 o’Clock View
Normal/Extended Temperature
Normal/Negative Displays
Physical Data
Module Size...................................146.0W x 43.0H x 14.5T mm
Viewing Area Size.......................................123.0W x 23.0H mm
Weight...................................................................................81g
Absolute Maximum Ratings
PARAMETER
SUPPLY VOLTAGE
SUPPLY VOLTAGE FOR LCD
INPUT VOLTAGE
OPERATING TEMPERATURE
STORAGE TEMPERATURE
SYMBOL
V
DD
-V
SS
V
DD
-V
L
V
IN
T
OP
T
STG
0
0
-0.3
0
-20
MIN
MAX
6.5
13.5
V
DD
50
70
UNIT
V
V
V
°C
°C
Block Diagram
D0 - D7
LCD
COM
16
LCD PANEL
E
R/W
RS
V
L
V
DD
V
SS
K
A
CONTROLLER
HD44780
or
EQUIVALENT
4
DRIVER X2
SEG
40
60
LED BACKLIGHT
RESISTOR SUPPLIED BY USER
Pin Connections
PIN NO.
1
2
3
4
SYMBOL
V
SS
V
DD
V
L
RS
R/W
E
D0
D1
D2
D3
D4
D5
D6
D7
A
K
-
-
-
H/L
H/L
H,H→L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
Anode connection for LED backlight
Cathode connection for LED backlight
Data bus
LEVEL
0V
5V
-
H: Data input
L: Instruction data input
H: Data read
L: Data write
Enable signal
Power supply
FUNCTION
Electrical Characteristics (VDD=5.0±0.25V 25°C)
PARAMETER
INPUT HIGH VOLTAGE
INPUT LOW VOLTAGE
OUTPUT HIGH VOLTAGE
OUTPUT LOW VOLTAGE
POWER SUPPLY CURRENT
POWER SUPPLY FOR LCD
LED FORWARD VOLTAGE
LED FORWARD CURRENT
DRIVE METHOD
SYM
V
IH
V
IL
V
OH
V
OL
I
DD
V
DD
-V
L
V
F
I
F
CONDITION
-
-
I
OH
=0.2mA
I
OL
=1.2mA
V
DD
=5.0V
T
A
=25°C
I
F
=240mA
MIN
2.2
-
2.4
-
-
4.3
3.9
TYP
-
-
-
-
-
4.7
4.2
240
MAX
-
0.6
-
0.4
2.0
5.1
4.5
-
UNIT
V
V
V
V
mA
V
V
mA
5
6
7
8
9
10
11
12
13
14
15
16
-
V
F
=5.0V,
R
BL
=3.3 ohm
1/16 Duty
Page 78
ADI Reference Circuit
京公网安备 11010802033920号
EEWORLD
