NHD-0220DZ-NSW-BBW

 NHD‐0220DZ‐NSW‐BBW Character Liquid Crystal Display Module NHD‐ 0220‐ DZ‐ N‐ SW‐ B‐ B‐ W‐ Newhaven Display 2 Lines x 20 Characters Model Transmissive Side White LED Backlight STN‐Blue (‐) 6:00 Optimal View Wide Temperature 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 [email protected] [email protected] Document Revision History Revision 0 1 2 3 4 5 6 Date 4/2/2009 2/3/2010 6/3/2010 1/7/2011 5/5/2011 5/31/2014 6/17/2014 Description Initial Release User Guide Reformat Character code updated Alternate controller information updated Electrical characteristics updated Electrical and optical characteristics updated Quality information updated Functions and Features 
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2 lines x 20 characters Built‐in controller (ST7066U) +5.0V Power Supply 1/16 duty, 1/5 bias RoHS compliant [2] Changed by ‐ BE BE AK AK AK JN L
A
I
Mechanical Drawing
1
2
3
4
A
Rev
D
2
3
1
VSS
2
VDD
B
3
V0
4
RS
5
R/W
6
E
C
7~14 DB0~DB7
15
LED+
16
LED-
D
Date
05/31/14
4
Gen. Tolerance
Unit
±0.3mm
mm
5
Model:
NHD-0220DZ-NSW-BBW
6
The drawing contained herein is the exclusive property of Newhaven Display International, Inc. and shall not be copied, reproduced, and/or disclosed in any format without permission.
[3]
A
PIN ASSIGNMENT
Notes:
1). Driver Method: 1/16duty, 1/5bias, VDD5.0V VLCD4.3V
2). Display Type: STN-Blue/Negative/Transmissive/6:00 Visual Angle
3). Operating Temp: -20°C~70°C/Storage Temp: -30°C~80°C
4). Backlight Type: Edge/White/Vled5.0V/20mA
5). Driver: ST7066U/4bit or 8bit MPU
6). RoHS Compliant
1
Date
T
N
F
N
O
C
6
Description
E
D
I
B
C
5
Pin Description and Wiring Diagram Pin No. Symbol 1 2 3 4 5 6 7‐10 VSS VDD V0 RS R/W E DB0 – DB3 External Connection Power Supply Power Supply Adj Power Supply MPU MPU MPU MPU 11‐14 15 16 DB4 – DB7 LED+ LED‐ MPU Power Supply Power Supply Function Description
Ground
Supply Voltage for logic (+5.0V)
Supply Voltage for contrast (approx. 0.7V)
Register Select signal. RS=0: Command, RS=1: Data Read/Write select signal, R/W=1: Read R/W: =0: Write Operation Enable signal. Falling edge triggered. Four low order bi‐directional three‐state data bus lines. These four are not used during 4‐bit operation. Four high order bi‐directional three‐state data bus lines. Backlight Anode (+5.0V via on‐board resistor)
Backlight Cathode (Ground)
Recommended LCD connector: 2x8 2.54mm pitch connector [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 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
4.7
‐
4.1
0.7*VDD
VSS
3.9
‐
Typ.
‐
‐
5.0
2.0
4.3
‐
‐
‐
‐
‐
Vled=5.0V
‐
‐
5.0
20
Max. +70 +80 5.3 2.5 4.5 VDD 0.6 VDD 0.4 ‐ ‐ Unit
⁰C
⁰C
V
mA
V
V
V
V
V
V
mA
Optical Characteristics Item Viewing Angle – Top Viewing Angle – Bottom Viewing Angle – Left Viewing Angle – Right Contrast Ratio Response Time (rise) Response Time (fall) Symbol Cr Tr Tf Condition
Cr ≥ 2 ‐
‐
Min.
‐
‐
‐
‐
2
‐
‐
Typ.
40
60
60
60
5
150
200
Max. ‐ ‐ ‐ ‐ ‐ 250 300 Controller Information Built‐in ST7066U controller. Please download specification at http://www.newhavendisplay.com/app_notes/ST7066U.pdf DDRAM Address 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 [5] Unit
⁰ ⁰ ⁰ ⁰ ‐ ms
ms
Table of Commands [6] Timing Characteristics Writing data from MPU to ST7066U [7] Reading data from ST7066U to MPU [8] Built‐in Font Table [9] Example Initialization Program 8-bit Initialization:
/**********************************************************/
void command(char i)
{
P1 = i;
//put data on output Port
D_I =0;
//D/I=LOW : send instruction
R_W =0;
//R/W=LOW : Write
E = 1;
Delay(1);
//enable pulse width >= 300ns
E = 0;
//Clock enable: falling edge
}
/**********************************************************/
void write(char i)
{
P1 = i;
//put data on output Port
D_I =1;
//D/I=HIGH : send data
R_W =0;
//R/W=LOW : Write
E = 1;
Delay(1);
//enable pulse width >= 300ns
E = 0;
//Clock enable: falling edge
}
/**********************************************************/
void init()
{
E = 0;
Delay(100);
//Wait >40 msec after power is applied
command(0x30);
//command 0x30 = Wake up
Delay(30);
//must wait 5ms, busy flag not available
command(0x30);
//command 0x30 = Wake up #2
Delay(10);
//must wait 160us, busy flag not available
command(0x30);
//command 0x30 = Wake up #3
Delay(10);
//must wait 160us, busy flag not available
command(0x38);
//Function set: 8-bit/2-line
command(0x10);
//Set cursor
command(0x0c);
//Display ON; Cursor ON
command(0x06);
//Entry mode set
}
/**********************************************************/
[10] 4-bit Initialization:
/**********************************************************/
void command(char i)
{
P1 = i;
//put data on output Port
D_I =0;
//D/I=LOW : send instruction
R_W =0;
//R/W=LOW : Write
Nybble();
//Send lower 4 bits
i = i<<4;
//Shift over by 4 bits
P1 = i;
//put data on output Port
Nybble();
//Send upper 4 bits
}
/**********************************************************/
void write(char i)
{
P1 = i;
//put data on output Port
D_I =1;
//D/I=HIGH : send data
R_W =0;
//R/W=LOW : Write
Nybble();
//Clock lower 4 bits
i = i<<4;
//Shift over by 4 bits
P1 = i;
//put data on output Port
Nybble();
//Clock upper 4 bits
}
/**********************************************************/
void Nybble()
{
E = 1;
Delay(1);
//enable pulse width >= 300ns
E = 0;
//Clock enable: falling edge
}
/**********************************************************/
void init()
{
P1 = 0;
P3 = 0;
Delay(100);
//Wait >40 msec after power is applied
P1 = 0x30;
//put 0x30 on the output port
Delay(30);
//must wait 5ms, busy flag not available
Nybble();
//command 0x30 = Wake up
Delay(10);
//must wait 160us, busy flag not available
Nybble();
//command 0x30 = Wake up #2
Delay(10);
//must wait 160us, busy flag not available
Nybble();
//command 0x30 = Wake up #3
Delay(10);
//can check busy flag now instead of delay
P1= 0x20;
//put 0x20 on the output port
Nybble();
//Function set: 4-bit interface
command(0x28);
//Function set: 4-bit/2-line
command(0x10);
//Set cursor
command(0x0F);
//Display ON; Blinking cursor
command(0x06);
//Entry Mode set
}
/**********************************************************/
[11] 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 Test Condition Endurance test applying electric static discharge. 2 ‐30⁰C , 96hrs
1,2
+70⁰C , 96hrs
2 ‐20⁰C , 96hrs
1,2
+40⁰C , 90% RH , 96hrs 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 [12] Note
+80⁰C , 96hrs
3