NHD‐C0220BiZ‐FSW‐FBW‐3V3M COG (Chip‐On‐Glass) Character Liquid Crystal Display Module NHD‐ C0220‐ BiZ‐ F‐ SW‐ F‐ B‐ W‐ 3V3‐ M‐ Newhaven Display COG, 2 Lines x 20 Characters Model, I2C interface Transflective Side White LED Backlight FSTN (+) 6:00 Optimal View Wide Temperature 3.3V LCD Mounting Holes 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 Date 7/8/2009 10/9/2009 11/20/2009 5/27/2011 4 6/23/2014 Description Initial Release Updated Electrical Characteristic Updated backlight supply current Display character address code updated Mechanical Drawing, Electrical & Optical characteristics updated Functions and Features 2 lines x 20 characters Built‐in ST7036i controller with I2C interface 3.3V power supply 1/16 duty, 1/5 bias Built‐in DC supply for VLCD (requires 2 external capacitors) [2] Changed by MC MC AK ML L A I Mechanical Drawing 2 3 4 A 8 D F N 1 6 Date T N 1 COM16 COM9 NO 1 2 3 4 5 6 7 8 COM8 COM1 ------------ Date RST SCL SDA VSS VDD VOUT C1+ C1- 06/23/14 2 3 4 Gen. Tolerance Unit ±0.3mm mm 5 Model: NHD-C0220BiZ-FSW-FBW-3V3M 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 B C S1 O C Description E D I B C 5 Rev S100 1 D Pin Description and Wiring Diagram Pin No. 1 2 3 4 5 6 7 8 Symbol RST SCL SDA VSS VDD VOUT C1+ C1‐ External Connection MPU MPU MPU Power Supply Power Supply CAP CAP CAP Function Description Active LOW Reset signal Serial Clock signal (requires pull‐up resistor) Serial Data signal (requires pull‐up resistor) Ground Supply Voltage for logic (+3.3V) Voltage booster circuit – connect 1µF cap to VSS or VDD Connect 1µF cap to PIN8 Connect 1µF cap to PIN7 Recommended LCD connector: N/A, solder directly into PCB Backlight connector: 8.5mm pitch pins, solder directly into PCB Mates with: ‐‐‐ Capacitance 0.47µF~2.2µF Recommended value = 1µF [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 – White Backlight Supply Current – White Symbol Top Tst VDD IDD VDD‐V0 Vih Vil Voh Vol Condition Absolute Max Absolute Max ‐ VDD=3.3V VLCD=VDD‐V0 ‐ ‐ ‐ ‐ Min. ‐20 ‐30 3.0 ‐ ‐ 0.7*VDD GND 0.7*VDD GND Typ. ‐ ‐ 3.3 0.5 5.5 ‐ ‐ ‐ ‐ Max. +70 +80 3.6 1.0 ‐ VDD 0.2*VDD VDD 0.8 Unit ⁰C ⁰C V mA V V V V V VLED Iled ‐ ‐ 2.8 ‐ 3.0 30 3.3 ‐ V mA Symbol ‐ ‐ ‐ ‐ Cr Tr Tf Condition Min. ‐ ‐ ‐ ‐ ‐ ‐ ‐ Typ. 40 60 60 60 5 150 200 Max. ‐ ‐ ‐ ‐ ‐ 250 300 Unit ⁰ ⁰ ⁰ ⁰ ‐ ms ms Optical Characteristics Item Viewing Angle ‐ Top Viewing Angle ‐ Bottom Viewing Angle ‐ Left Viewing Angle ‐ Right Contrast Ratio Response Time (rise) Response Time (fall) Cr ≥ 2 ‐ ‐ ‐ Controller Information Built‐in ST7036i controller. Please download specification at http://www.newhavendisplay.com/app_notes/ST7036.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] Slave Address = 0x78 [6] Table of Commands [7] [8] Timing Characteristics [9] Built‐in Font Table (OPR1 = 0, OPR2 = 0) [10] Example Initialization Program /**************************************************** * Initialization For ST7036i * *****************************************************/ void init_LCD() { I2C_Start(); I2C_out(Slave);//Slave=0x78 I2C_out(Comsend);//Comsend = 0x00 I2C_out(0x38); delay(10); I2C_out(0x39); delay(10); I2C_out(0x14); I2C_out(0x78); I2C_out(0x5E); I2C_out(0x6D); I2C_out(0x0C); I2C_out(0x01); I2C_out(0x06); delay(10); I2C_Stop(); } /*****************************************************/ /**************************************************** * Output command or data via I2C * *****************************************************/ void I2C_out(unsigned char j) //I2C Output { int n; unsigned char d; d=j; for(n=0;n<8;n++){ if((d&0x80)==0x80) SDA=1; else SDA=0; d=(d<<1); SCL = 0; SCL = 1; SCL = 0; } SCL = 1; while(SDA==1){ SCL=0; SCL=1; } SCL=0; } /*****************************************************/ [11] /**************************************************** * I2C Start * *****************************************************/ void I2C_Start(void) { SCL=1; SDA=1; SDA=0; SCL=0; } /*****************************************************/ /**************************************************** * I2C Stop * *****************************************************/ void I2C_Stop(void) { SDA=0; SCL=0; SCL=1; SDA=1; } /*****************************************************/ /**************************************************** * Send string of ASCII data to LCD * *****************************************************/ void Show(unsigned char *text) { int n,d; d=0x00; I2C_Start(); I2C_out(Slave); //Slave=0x78 I2C_out(Datasend);//Datasend=0x40 for(n=0;n<20;n++){ I2C_out(*text); ++text; } I2C_Stop(); } /*****************************************************/ /*****************************************************/ /*****************************************************/ [12] 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 +60⁰C , 90% RH , 96hrs 1,2 ‐20⁰C,30min ‐> 25⁰C,5min ‐> 70⁰C,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 See Terms & Conditions at http://www.newhavendisplay.com/index.php?main_page=terms [13] Note +80⁰C , 96hrs 3