NHD‐0224WH‐ATDI‐JT# Character Liquid Crystal Display Module NHD‐ 0224‐ WH‐ A‐ T‐ D‐ I‐ JT#‐ Newhaven Display 2 lines x 24 characters Display Type: Character Model White LED Backlight FSTN‐ Negative (double film) Transmissive, Wide Temp. 6:00 view English and Japanese standard font 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 Date 7/24/2009 7/27/2009 11/2/2009 5/20/2011 6/8/2011 Description Initial Release User Guide Reformat Block Diagram Revision Controller information updated Mechanical drawing updated Functions and Features • • • • 2 lines x 24 characters Built‐in controller (ST7066U) +5.0V power supply 1/16 duty, 1/5 bias [2] Changed by ‐ BE BE AK BE Mechanical Drawing 118.0 0.5 2.5 113.0 10.0 12.25 11.5(AA) 17.6 88.3(AA) 13.6 MAX 9.0 1.6 3.7 3.2 2.5 16- 1.0 PTH 16- 1.8 PAD 2.54 PIN DETAIL SCALE 1/1 LED B/L 0.65 0.6 5.95 5.55 0.7 0.65 3.6 28.8 16.0(VA) 14.5 102.5 94.5(VA) 4- 2.5 PTH 4- 5.0 PAD 17.78 7.84 (P2.54*7) 2.5 31.0 36.0 0.5 10.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DOT SIZE SCALE 5/1 Newhaven Display NHD-0224WH-ATDI-JT# Vss Vdd Vo RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LED+ LED- Pin Description and Wiring Diagram Pin No. Symbol 1 2 3 4 5 6 7‐10 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 VSS VDD V0 Function Description Ground Supply Voltage for logic (5.0V) Power supply for contrast (approx. 0.5V) 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. Power supply for LED Backlight (+3.5V) Ground for Backlight Recommended LCD connector: 2.54mm pitch, 16‐pin dual‐row 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 Backlight Lifetime Symbol Top Tst VDD IDD VDD‐V0 Vih Vil Voh Vol Vled Iled Condition Absolute Max Absolute Max VDD=5.0V Ta=25⁰C Min. ‐20 ‐30 4.5 1.0 3.8 0.7 Vss 3.9 ‐ Typ. ‐ ‐ 5.0 1.2 4.5 ‐ ‐ ‐ ‐ Symbol AV AV AH AH Cr Tr Tf 3.5 32 50,000 Max. +70 +80 5.5 1.5 5.5 VDD 0.6 ‐ 0.4 3.6 50 ‐ Unit ⁰C ⁰C V mA V V V V V V mA Hrs ‐ Vled=3.5V Iled=32 3.4 28.8 ‐ 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 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) ‐ ‐ Controller Information Built‐in ST7066U. Download specification at http://www.newhavendisplay.com/app_notes/ST7066U.pdf Display Character Address Code [5] Table of Commands [6] Timing Characteristics Read mode timing diagram Read mode timing diagram [7] Built‐in Font Table [8] Example Initialization Program 4-bit: void command(char i) { P1 = i; D_I =0; R_W =0; Nybble(); i = i<<4; P1 = i; Nybble(); } void write(char i) { P1 = i; D_I =1; R_W =0; Nybble(); i = i<<4; P1 = i; Nybble(); } void Nybble() { E = 1; Delayms(10); E = 0; } void init() { P1 = 0; P3 = 0; Delayms(30); P1 = 0x30; Delayms(100); Nybble(); Delayms(100); Nybble(); Delayms(10); Nybble(); Delayms(10); P1= 0x20; Nybble(); command(0x28); command(0x10); command(0x0F); command(0x06); } //Send Instruction //Send Data //enable pulse width >= 300ns //Wake up //Wake up three times //Function set: 4-bit //Function set: 4-bit/2-line //Set cursor //Display ON; Blinking cursor //Entry Mode set [9] 8-bit: void command(char i) { P1 = i; D_I =0; R_W =0; E = 1; Delayms(1); E = 0; } void write(char i) { P1 = i; D_I =1; R_W =0; E = 1; Delayms(1); E = 0; } void init() { E = 0; Delayms(5); command(0x30); Delayms(100); command(0x30); Delayms(10); command(0x30); Delayms(10); command(0x38); command(0x10); command(0x0c); command(0x06); } //Send Instruction //Send Data //Wake up //Wake up three times //Function set: 8-bit/2-line //Set cursor //Display ON; Cursor ON //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 , 200hrs 1,2 +70⁰C 200hrs 2 ‐20⁰C , 200hrs 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 and Terms & Conditions http://www.newhavendisplay.com/index.php?main_page=terms [11] Note +80⁰C , 200hrs 3