NHD-0440AZ-FL-YBW
Character Liquid Crystal Display Module
NHD-
0440-
AZ-
F-
L-
Y-
B-
W-
Newhaven Display
4 Lines x 40 Characters
Model
Transflective
Yellow/Green LED Backlight
STN
–
Yellow/Green
6:00 Optimal View
Wide Temp.
RoHS Compliant
Newhaven Display International, Inc.
2661 Galvin Ct.
Elgin IL, 60124
Ph: 847-844-8795
Fax: 847-844-8796
www.newhavendisplay.com
nhtech@newhavendisplay.com
nhsales@newhavendisplay.com
Document Revision History
Revision
0
1
2
3
4
5
6
7
8
Date
10/21/08
11/2/09
11/16/09
12/16/09
1/05/11
5/6/11
8/2/16
9/26/16
3/23/18
Description
Initial Release
User Guide Reformat
Updated Block diagram and initialization code
Updated Backlight Supply Current Information
Updated Controller Information
Electrical characteristics updated
Mechanical Drawing, Electrical & Optical Char. Updated
Supply Current Updated
Electrical Characteristics Updated
Changed by
-
MC
MC
MC
JT
AK
SB
SB
SB
Functions and Features
•
•
•
•
•
4 lines x 40 characters
2 Built-in controllers (ST7066U)
+5.0V Power Supply
1/16 duty, 1/5 bias
RoHS compliant
[2]
1
A
2
3
4
5
SYMBOL
6
REVISION
7
8
DATE
A
B
B
PIN ASS IG NM ENT
1 2
C
17
18
D
E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
D B7
D B6
D B5
D B4
D B3
D B2
D B1
D B0
E1
RW
RS
V0
V SS
V DD
E2
NC
LE D+
LE D-
C
D
E
STANDARD TOLERANCES
(UNLESS OTHERWISE SPECIFIED)
F
Notes:
1. Driver:
2. Voltage:
3. Display Mode:
4. Optimal View:
5. Backlight:
6. Driver IC:
1
1/16 Duty, 1/5 Bias
5.0V VDD, 4.3V VLCD
STN Positive / Yellow-Green / Transflective
6:00
Yellow-Green LED
ST7066U 8/4-Bit MPU Interface
2
3
4
5
6
LINEAR:
±0.3 mm
XX.
±0.3 mm
XX.X
XX.XX ±0.3 mm
UNLESS OTHERWISE SPECIFIED
DRAWING/PART NUMBER:
REVISION:
SIZE:
NHD-0440AZ-FL-YBW
DRAWN BY:
1.0
A3
S. Baxi
03/23/18
CHECKED BY:
S. Baxi
03/23/18
APPROVED BY:
T. Tung
03/23/18
- DIMENSIONS ARE IN MILLIMETERS
- THIRD ANGLE PROJECTION
SCALE:
DRAWN DATE:
CHECKED DATE:
APPROVED DATE:
NS
DO NOT SCALE DRAWING
SHEET 1 OF 1
F
THIS DRAWING IS SOLELY THE PROPERTY OF NEWHAVEN DISPLAY INTERNATIONAL, INC.
THE INFORMATION IT CONTAINS IS NOT TO BE DISCLOSED, REPRODUCED OR COPIED IN
WHOLE OR PART WITHOUT WRITTEN APPROVAL FROM NE WHAVEN DISPLAY.
7
8
Pin Description and Wiring Diagram
Pin No.
1-4
5-8
9
10
11
12
13
14
15
16
17
18
Symbol
DB7-DB4
DB3-DB0
E1
R/W
RS
V
0
V
SS
V
DD
E2
NC
LED+
LED-
External Connection
MPU
MPU
MPU
MPU
MPU
Power Supply
Power Supply
Power Supply
MPU
-
Power Supply
Power Supply
Function Description
Four high order bi-directional three-state data bus lines.
Four low order bi-directional three-state data bus lines. These
four are not used during 4-bit operation.
Operation enable signal. Falling edge triggered for top 2 lines.
Read/Write select signal, R/W=1: Read R/W:=0: Write
Register Select signal. RS=0: Command, RS=1: Data
Supply Voltage for contrast (approx. 0.5V)
Ground
Supply Voltage for logic (+5.0V)
Operation Enable signal. Falling edge triggered for bottom 2
lines.
No Connect
Backlight Anode (+5.0V via on board resistor)
Backlight Cathode (Ground)
Recommended LCD connector:
2.54mm pitch pins
Backlight connector:
---
Mates with:
---
[4]
Electrical Characteristics
Item
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Supply Current
Supply for LCD (contrast)
“H” Level input
“L” Level input
“H” Level output
“L” Level output
Backlight Supply Voltage
Backlight Supply Current
Symbol
T
OP
T
ST
V
DD
I
DD
V
LCD
V
IH
V
IL
V
OH
V
OL
V
LED
I
LED
Condition
Absolute Max
Absolute Max
-
V
DD
= 5.0V
T
OP
= 25°C
-
-
-
-
-
V
LED
= 5.0V
Min.
-20
-30
4.8
2
4.1
0.7*V
DD
V
SS
3.9
V
SS
4.8
240
Typ.
-
-
5.0
3
4.3
-
-
-
-
5.0
320
Max.
+70
+80
5.2
5
4.5
V
DD
0.6
V
DD
0.4
5.2
480
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
V
mA
Optical Characteristics
Optimal
Viewing
Angles
Contrast Ratio
Response Time
Rise
Fall
Item
Top
Bottom
Left
Right
Symbol
ϕY+
ϕY-
θX-
θX+
CR
T
R
T
F
Condition
CR
≥
2
-
T
OP
= 25°C
Min.
-
-
-
-
2
-
-
Typ.
40
60
60
60
5
120
120
Max.
-
-
-
-
-
150
150
Unit
⁰
⁰
⁰
⁰
-
ms
ms
Controller Information
Built-in ST7066U controller.
Please download specification at
http://www.newhavendisplay.com/app_notes/ST7066U.pdf
DDRAM Address
1
00
40
00
40
2
01
41
01
41
3
02
42
02
42
4
03
43
03
43
5
04
44
04
44
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
36
23
63
23
63
37
24
64
24
64
38
25
65
25
65
39
26
66
26
66
40
27
67
27
67
[5]
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