NHD‐C0220AZ‐FSW‐FTW COG (Chip‐on‐Glass) Liquid Crystal Display Module NHD‐ C0220‐ AZ‐ F‐ SW‐ F‐ T‐ W‐ Newhaven Display COG, 2 lines x 20 characters Model Transflective Side White LED backlight FSTN+ 12:00 View Angle Wide Temp (‐20 ~ +70C) 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] [1] Document Revision History Revision 0 1 2 3 4 5 6 7 8 9 Date 7/20/2008 6/29/2009 10/9/2009 11/16/2009 11/19/2009 5/14/2010 3/14/2011 5/27/2011 6/2/2011 8/1/2011 Description Initial Release User guide reformat Updated Electrical Characteristics Min Supply Voltage = 3.3V, Max VLCD = 5.0V Updated backlight supply current Controller Note Update VLCD Display character address code updated Timing characteristics updated Improve backlight, add orientation tabs Functions and Features • • • • 2 lines x 20 characters Built‐in NT7605 controller 5V power supply 1/16 duty, 1/5 bias [2] Changed by BE MC CL MC MP CL AK AK CL Backlight orientation tabs 1 NHD-C0220AZ-FSW-FTW 8-1-2011 Pin Description and Wiring Diagram Pin No. Symbol 1 2 3 4 5 6 7‐10 GND V5 VDD RS R/W E DB0 – DB3 External Connection Power Supply Adj Power Supply Power Supply MPU MPU MPU MPU 11‐14 DB4 – DB7 MPU Function Description Ground Contrast voltage adjustment (~0.6V ) Power supply for LCD and logic Register Select: 0=Instruction, 1=Data Read / Write select: 0=Write, 1=Read Read/Write start signal (Schmitt trigger input) Low 4 tri‐state bi‐directional data bus lines. Not used in 4‐bit mode. High 4 tri‐state bi‐directional data bus lines. Recommended LCD connector: 2.0mm pitch, 14pins Soldered to PCB, or JST p/n: PHR‐14 Backlight connector: A and K pins Mates with: Solder to wires or PCB [4] Electrical Characteristics Item Operating Temperature Range Storage Temperature Range Supply Voltage Supply Current Symbol Top Tst VDD IDD Supply for LCD (contrast) VDD‐V5 “H” Level input “L” Level input “H” Level output “L” Level output Vih Vil Voh Vol Backlight Supply Voltage Backlight Supply Current VLED Iled Condition Absolute Max Absolute Max Ta =25° VDD=5.0V Ta =0° Ta =25° Ta =60° VLED=3.0V Min. ‐20 ‐30 3.3 ‐ ‐ ‐ ‐ 2.2 0 2.4 ‐ Typ. ‐ ‐ 5.0 1.0 4.5 4.4 4.3 ‐ ‐ ‐ ‐ Max. +70 +80 5.5 1.5 ‐ ‐ ‐ VDD 0.6 ‐ 0.4 Unit ⁰C ⁰C V mA ‐ ‐ 3.0 30 ‐ 45 V mA Min. ‐60 ‐40 ‐ ‐ ‐ Typ. ‐ ‐ 6 150 150 Max. +35 +40 ‐ 250 250 Unit ⁰ ⁰ ms ms V V V V V Optical Characteristics Item Viewing Angle ‐ Vertical Viewing Angle ‐ Horizontal Contrast Ratio Response Time (rise) Response Time (fall) Symbol AV AH Cr Tr Tr Condition Cr ≥ 2 Cr ≥ 2 ‐ ‐ Controller Information Built‐in NT7605N‐BDT01. Download specification at http://www.newhavendisplay.com/app_notes/NT7605.pdf NOTE: The Busy Flag of the NT7605 controller may not always be responsive. Add sufficient delays and/or a time‐out check routine to continue operation if busy flag is not cleared. [5] Table of Commands 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 [6] Timing Characteristics Read Operation [7] Write Operation [8] Built‐in Font Table [9] Example Initialization Program 'INIT-------------------------------------------------------------------------------A = &H30 Call Writecom 'wake up Waitms 100 Call Writecom 'wake up Waitms 10 Call Writecom 'wake up Waitms 10 A = &H38 'function set Call Writecom A = &H10 'shift display=no Call Writecom A = &H0C 'display on Call Writecom A = &H06 'entry mode set Call Writecom '-----------------------------------------------------------------------------------Sub Writecom P1 = A Reset P3.0 'instruction Reset P3.7 'RW Waitms 1 Set P3.4 'E Waitms 1 Reset P3.4 'E End Sub '-----------------------------------------------------------------------------------Sub Writedata P1 = A Set P3.0 'data Reset P3.7 'RW Waitms 1 Set P3.4 'E Waitms 1 Reset P3.4 'E End Sub '------------------------------------------------------------------------------------ [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 , 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 [11] Note +80⁰C , 48hrs 3