N NHD‐‐0220FZ‐‐FSW W‐GB BW‐P‐33 3V3 Characterr Liquid Crystal Displaay Modu ule NHD‐‐ 0220 0‐ FZ‐ F‐ SW‐ G‐ B‐ W‐ P‐ 33V3 3‐ Newhaven Display 2 lines x 20 chaaracters Model M Trransflective Siide White LED D Backlight STTN‐ Gray 6:00 view Wide Tempera W ature (‐20°C ~ ~ +70°C) Header Pins 3.3VDD, 3.3V Backlight RoHS Compliant Newh haven Disp play Intern national, In nc. 2511 Techno ology Drive, SSuite 101 Elggin IL, 60124 Ph: 8 847‐844‐8795 5 Fax: 8847‐844‐87966 www.new whavendisplayy.com nhtech h@newhaven ndisplay.com [email protected] om Document Revision History Revision 0 1 2 Date 10/31/2011 3/14/2013 7/30/2013 Description 33V – Improved Liquid; VDD=3.3 V Mechanical drawing updated Mechanical drawing updated, added timing diagram Functions and Features 2 lines x 20 characters Built‐in controller (ST7066U) +3.3V Power Supply 1/16 duty, 1/5 bias RoHS compliant [2] Changed by SB AK ML L A I Mechanical Drawing 1 2 3 4 5 T N 4.0 E D I B F N C O C Notes: 2 3 Date PIN ASSIGNMENT 1 2 3 4 5 6 7~14 15 16 17 18 19 20 21 22 23~26 27 28 LED+ VSS VDD V0 RS R/W E DB0~DB7 LED+ LEDVSS VDD V0 RS RW E DB4~DB7 LED+ LED- LED- 1) Driver Method: 1/16 duty, 1/5 bias, VDD3.3V VLCD3.3V 2) Display Type: STN-Gray/Positive/Transflective 3) Operating Temp: -20⁰C ~ 70⁰C / Storage Temp: -30⁰C ~ 80⁰C 4) Backlight Type: Edge/White/Vled3.3V/20mA 5) Controller: ST7066U 6) RoHS Compliant 1 6 Description 8.0 A D Rev B C D Date 07/30/13 4 Gen. Tolerance Unit ±0.3mm mm 5 Model: NHD-0220FZ-FSW-GBW-P-33V3 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 Descripttion and W Wiring Diiagram Pin N No. Symbol 1 2 3 4 5 6 7‐10 0 VSS VDD V0 RS R/W W E DB0 – D DB3 External Connection Pow wer Supply Pow wer Supply Adj Po ower Supply MPU MPU MPU MPU 11‐1 14 15 16 DB4 – D DB7 LED+ + LED‐‐ MPU Pow wer Supply Pow wer Supply Function Desccription Ground Supply Voltage for logic (+3..3V) Power supply for contrast (aapprox. 0.1V) Register select signal. RS=0: Command, RSS=1: Data Read/Write se elect signal, R//W=1: Read R//W: =0: Write Operation enaable signal. Fa lling edge trigggered. Four low orde er bi‐directionaal three‐state d data bus lines. These four are not used d during 4‐bit opperation. Four high orde er bi‐directionaal three‐state data bus lines.. Power supply for LED Backligght (+3.3V) Ground for Baacklight Reco ommended LC CD connectorr: 1.27mm pittch pins Backklight connecttor: ‐‐‐ M 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=3.3V Ta=25°C Min. ‐20 ‐30 ‐ ‐ ‐ 0.7*VDD 0 0.75*VDD ‐ Typ. ‐ ‐ 3.3 1.5 3.2 ‐ ‐ ‐ ‐ ‐ Vled=3.3V ‐ ‐ 3.3 20 Max. +70 +80 5.5 2.5 ‐ VDD 0.6 ‐ 0.2*VDD ‐ ‐ 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. ‐ ‐ ‐ ‐ ‐ ‐ ‐ Typ. 25 70 30 30 2 120 120 Max. ‐ ‐ ‐ ‐ ‐ 150 150 Controller Information Built‐in ST7066U controller. Please download specification at http://www.newhavendisplay.com/app_notes/ST7066U.pdf Display Character Address Code 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 Unit ⁰C ⁰C V mA V V V V V V mA Tab ble of Com mmands [6] Tim ming Charracteristiccs Writting data frrom MPU to o ST7066U ding data from ST7066U to MPU U Read [7] Built‐in Fontt Table [8] 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 } /**********************************************************/ [9] 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 upper 4 bits i = i<<4; //Shift over by 4 bits P1 = i; //put data on output Port Nybble(); //Send lower 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 upper 4 bits i = i<<4; //Shift over by 4 bits P1 = i; //put data on output Port Nybble(); //Clock lower 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 } /**********************************************************/ [10] 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 , 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 [11] Note +80⁰C , 48hrs 3