NHD-0420AZ-FL-GBW-3V3 数据手册
NHD‐0420AZ‐FL‐GBW‐3V3
Character Liquid Crystal Display Module
NHD‐ 0420‐ AZ‐ F‐ L‐ G‐ B‐ W‐ 3V3‐ Newhaven Display 4 lines x 20 characters Model Transflective Yellow/Green LED Backlight STN‐ Gray 6:00 view Wide Temp. (‐20°C ~ +70°C) 3.0 Vdd, 3.0 Volt backlight 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 [1]
Document Revision History
Revision 0 1 • • • • • Date 10/21/2008 1/27/2010 Description Initial Release User Guide Reformat Changed by ‐ MC
Functions and Features
4 lines x 20 characters Built‐in controllers (SPLC780D‐01 or equivalent) +3.0V Power Supply 1/16 duty, 1/5 bias RoHS compliant
[2]
Mechanical Drawing
PIN ASSIGNMENT 1 2 3 4 5 6 15 16 VSS VDD V0 RS R/W E LED+ LED-
7~14 DB0~DB7
NEWHAVEN DISPLAY
NHD-0420AZ-FL-GBW-3V3
Pin Description and Wiring Diagram
Pin No. Symbol 1 2 3 4 5 6 7‐10 11‐14 15 16 Vss VDD V0 RS R/W E DB0‐DB3 DB4‐DB7 LED+ LED‐ External Connection Power Supply Power Supply Power Supply MPU MPU MPU MPU MPU Power Supply Power Supply Function Description Ground Supply voltage for logic (+3.0V) Power supply for contrast (approx. 0V) 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. For 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. Power supply for LED Backlight (+3.0V) Ground for backlight
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 Top Tst VDD IDD VDD‐V0 Vih Vil Voh Vol Vled Iled Condition Absolute Max Absolute Max Ta=25°C, VDD=3.0V Ta=25°C Min. ‐20 ‐30 2.7 ‐ ‐ 2.2 0 2.4 ‐ ‐ ‐ Typ. ‐ ‐ 3.0 2 3.0 ‐ ‐ ‐ ‐ 3.0 150 Max. +70 +80 3.3 3.0 ‐ VDD 0.6 ‐ 0.4 ‐ ‐ Unit ⁰C ⁰C V mA V V V V V V mA
‐ Vled=3.0V
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 ≥ 2 Cr ≥ 2 Cr ≥ 2 Cr ≥ 2 ‐ ‐ Min. ‐ ‐ ‐ ‐ ‐ ‐ ‐ Typ. 25 70 30 30 2 120 120 Max. ‐ ‐ ‐ ‐ ‐ 150 150 Unit ⁰ ⁰ ⁰ ⁰ ‐ ms ms
Controller Information
Built‐in SPLC780D‐01. Download specification at http://www.newhavendisplay.com/app_notes/SPLC780D.pdf [5]
Table of Commands
[6]
Timing Characteristics
[7]
[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=LOW : 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 >15 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 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
3
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]
NHD-0420AZ-FL-GBW-3V3 价格&库存
很抱歉,暂时无法提供与“NHD-0420AZ-FL-GBW-3V3”相匹配的价格&库存,您可以联系我们找货
免费人工找货