NHD‐0440AZ‐NLY‐FBW‐C6
Character Liquid Crystal Display Module
NHD‐
0440‐
AZ‐
N‐
LY‐
F‐
B‐
W‐
C‐
6‐
Newhaven Display
4 lines x 40 characters
Model
Transmissive
Lower Yellow/Green LED Backlight
FSTN (‐)
6:00 view
Wide Temp. (‐20°C~+70°C)
2x8 Pin FCI part # 88874‐016, shrouded header, 30u gold, right‐angle, lead free, 5.84mm mating length.
Header soldered onto component side of LCD PCB.
R6= 3.3k ohm resistor
RoHS Compliant
Newhaven Display International, Inc.
2511 Technology Drive, Suite 101
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
Date
10/21/2008
10/29/2009
11/17/2009
12/16/2009
Description
Initial Release
User Guide Reformat
Updated Block diagram and initialization code
Updated Backlight Supply Voltage and Current
Functions and Features
•
•
•
•
•
4 lines x 40 characters
2 Built‐in controllers (SPLC780D or equivalent)
+5.0V Power Supply
1/16 duty, 1/5 bias
RoHS compliant
Changed by
‐
MC
MC
MC
Mechanical Drawing
A
K
17
17.00
1
2
18
Newhaven Display
NHD-0440AZ-NLY-FBW-C6
Pin Description and Wiring Diagram
Pin No. Symbol
1‐4
5‐8
DB7‐DB4
DB3‐DB0
9
10
11
12
13
14
15
16
17
18
E1
R/W
RS
V0
Vss
VDD
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
Power supply for contrast (approx. 0V)
Ground
Supply voltage for logic (+5.0V)
Operation enable signal. Falling edge triggered for bottom 2 lines.
No Connect
Power supply for LED backlight (+5.0V via on‐board resistor)
Ground for backlight
Recommended LCD connector: 2.54mm pitch pins
Backlight connector: ‐‐‐ Mates with: ‐‐‐
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
Top
Tst
VDD
IDD
VDD‐V0
Vih
Vil
Voh
Vol
Vled
Iled
Condition
Absolute Max
Absolute Max
Ta=25°C, VDD=5.0V
Ta=25°C
Min.
‐20
‐30
2.7
‐
‐
2.2
0
2.4
‐
Typ.
‐
‐
5.0
3.5
5.0
‐
‐
‐
‐
‐
Vled=5.0V
‐
‐
5.0
360
Max.
+70
+80
5.5
4.0
‐
VDD
0.6
‐
0.4
5.0
480
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
V
mA
Optical Characteristics
Item
Viewing Angle – Vertical (top)
Viewing Angle – Vertical (bottom)
Viewing Angle – Horizontal (left)
Viewing Angle – Horizontal (right)
Contrast Ratio
Response Time (rise)
Response Time (fall)
Symbol
AV
AV
AH
AH
Cr
Tr
Tf
Condition
Cr ≥ 3
Cr ≥ 3
Cr ≥ 3
Cr ≥ 3
‐
‐
Min.
‐
‐
‐
‐
3
‐
‐
Typ.
20
50
30
30
5
150
150
Max.
‐
‐
‐
‐
‐
250
250
Unit
⁰
⁰
⁰
⁰
‐
ms
ms
Controller Information
Built‐in SPLC780D. Download specification at http://www.newhavendisplay.com/app_notes/SPLC780D.pdf
Table of Commands
Timing Characteristics
Writing data from MPU to SPLC780D
Reading data from SPLC780D to MPU
Writing Data from MPU to SPLC780D.
Reading Data from SPLC780D to MPU.
Built‐in Font Table
Example Initialization Program
/************************************************************************/
void command1(char i) //Top half of the display
{
P1 = i;
W = 0;
RS = 0;
E1 = 1;
delay(2);
E1 = 0;
}
void command2(char i) //Bottom half of the display
{
P1 = i;
W = 0;
RS = 0;
E2 = 1;
delay(2);
E2 = 0;
}
/************************************************************************/
void writedata1(char i) //Top half of the display
{
P1 = i;
W = 0;
RS = 1;
E1 = 1;
delay(2);
E1 = 0;
}
void writedata2(char i) //Bottom half of the display
{
P1 = i;
W = 0;
RS = 1;
E2 = 1;
delay(2);
E2 = 0;
}
/************************************************************************/
void init_LCD()
{
delay(15);
command1(0x30); //Wake up
command2(0x30);
delay(5);
command1(0x30); //Wake up
command2(0x30);
delay(5);
command1(0x30); //Wake up
command2(0x30);
delay(5);
command1(0x38); //Function Set = 8bit mode; 2‐line; 5x8
command2(0x38);
command1(0x08); //Turn off display
command2(0x08);
command1(0x01); //Clear display
command2(0x01);
command1(0x06); //Entry mode cursor increment
command2(0x06);
command1(0x0c); //Turn on display; no cursor
command2(0x0c);
}
/************************************************************************/
Quality Information
Test Item
Content of Test
High Temperature storage
Endurance test applying the high
storage temperature for a long time.
Endurance test applying the low storage
temperature for a long time.
Endurance test applying the electric stress
(voltage & current) and the high thermal
stress for a long time.
Endurance test applying the electric stress
(voltage & current) and the low thermal
stress for a long time.
Endurance test applying the electric stress
(voltage & current) and the high thermal
with high humidity stress for a long time.
Endurance test applying the electric stress
(voltage & current) during a cycle of low
and high thermal stress.
Endurance test applying vibration to
simulate transportation and use.
Low Temperature storage
High Temperature
Operation
Low Temperature
Operation
High Temperature /
Humidity Operation
Thermal Shock resistance
Vibration test
Static electricity test
Endurance test applying electric static
discharge.
Test Condition
2
‐30⁰C , 48hrs
1,2
+70⁰C 48hrs
2
‐20⁰C , 48hrs
1,2
+40⁰C , 90% RH , 48hrs
1,2
0⁰C,30min ‐> 25⁰C,5min ‐>
50⁰C,30min = 1 cycle
10 cycles
10‐55Hz , 15mm amplitude.
60 sec in each of 3 directions
X,Y,Z
For 15 minutes
VS=800V, RS=1.5kΩ, CS=100pF
One time
Note 1: No condensation to be observed.
Note 2: Conducted after 4 hours of storage at 25⁰C, 0%RH.
Note 3: Test performed on product itself, not inside a container.
Precautions for using LCDs/LCMs
See Precautions at www.newhavendisplay.com/specs/precautions.pdf
Warranty Information and Terms & Conditions
http://www.newhavendisplay.com/index.php?main_page=terms
Note
+80⁰C , 48hrs
3
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