NHD‐240128BZ‐NSW‐BTW‐3V3 Graphic Liquid Crystal Display Module NHD‐ 240128‐ BZ‐ N‐ SW‐ B‐ T‐ W‐ 3V3‐ Newhaven Display 240 x 128 pixels Model Transmissive Side White LED Backlight STN ‐ Blue (‐) 12:00 view Wide Temperature (‐20°C ~ +70°C) 3.3VDD 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 Date 10/5/2007 6/4/2008 4/22/2010 11/30/2010 2/16/2011 6/13/2011 1/24/2012 Description Initial Release Update table of contents User guide reformat Updated Mechanical Drawing / Updated Block Diagram Pin description / Electrical characteristics updated Electrical characteristics/contrast updated Pin description updated Functions and Features • • • • • 240 x 128 pixels Built‐in RA8835 controller +3.3V Power Supply 1/128 duty, 1/12 bias RoHS Compliant [2] Changed by ‐ CL BE AK AK BE AK Mechanical Drawing Pin Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VSS VDD V0 A0 R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 /CS 68/80 /RESET VEE LED+ LED - 1 20 3.3V -20oC ~ +70 oC -30 oC ~ +80 oC Transmissive NHD-240128BZ-NSW-BTW-3V3 Newhaven Display Pin Description and Wiring Diagram Pin No. Symbol 1 2 3 4 5 6 7‐10 VSS VDD V0 A0 R/W E DB0‐DB3 External Connection Power Supply Power Supply Adj. Power Supply MPU MPU MPU MPU 11‐14 15 16 17 18 19 20 DB4‐DB7 /CS 68/80 /RESET VEE LED+ LED‐ MPU MPU MPU MPU Power Supply Power Supply Power Supply Function Description Ground Power supply for logic (+3.3V) Power Supply for contrast (approx 19.2V) Register Select signal. 0: data; 1: instruction 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. Active LOW Chip Select Signal Interface Select Pin. 0: 8080 Family 1: 6800 Family Active LOW reset signal Positive voltage supply output (+20V) 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 VDD=5.0V Ta=25° Min. ‐20 ‐30 2.7 ‐ ‐ 2.2 0 2.4 ‐ Typ. ‐ ‐ 3.3 3.5 ‐15.9 ‐ ‐ ‐ ‐ Symbol AV AV AH AH Cr Tr Tf 3.0 36 Max. +70 +80 3.5 5.5 ‐ VDD 0.6 ‐ 0.4 ‐ ‐ Unit ⁰C ⁰C V mA V V V V V V mA ‐ Vled=3.0V ‐ ‐ Condition Cr ≥ 2 Cr ≥ 2 Cr ≥ 2 Cr ≥ 2 Min. ‐ ‐ ‐ ‐ ‐ ‐ ‐ Typ. 60 35 40 40 6 150 150 Max. ‐ ‐ ‐ ‐ ‐ 250 250 Unit ⁰ ⁰ ⁰ ⁰ ‐ ms ms Optical Characteristics Item Viewing Angle ‐ Vertical Viewing Angle ‐ Vertical Viewing Angle – Horizontal Viewing Angle ‐ Horizontal Contrast Ratio Response Time (rise) Response Time (fall) ‐ ‐ Controller Information Built‐in RA8835. Download specification at http://www.newhavendisplay.com/app_notes/RA8835.pdf [5] Table of Commands [6] Timing Characteristics [7] [8] [9] [10] Example Initialization Program //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ sbit A0 = P3^0; sbit RW = P3^7; sbit E = P3^4; sbit CS = P3^1; sbit IM = P3^6; sbit RST= P3^2; //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ void Writecom(int A) { CS = 0; RW = 0; A0 = 1; E = 1; P1 = A; E = 1; } void Write(int A) { CS = 0; RW = 0; A0 = 0; E = 1; P1 = A; E = 1; } //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ void init() { IM = 1; RST = 0; delay(10); RST = 1; delay(100); Writecom(0x40); Write(0x30); Write(0x87); Write(0x07); Write(0x1D); Write(0x50); Write(0x80); Write(0x1E); Write(0x00); Writecom(0x44); Write(0x00); Write(0x00); Write(0x80); Write(0x00); Write(0x40); Write(0x80); Write(0x00); Write(0x00); Write(0x00); Write(0x00); Write(0x5A); Write(0x00); Write(0x5B); Write(0x0C); Write(0x4C); Write(0x46); [11] Write(0xB0); Write(0xB0); Write(0x42); Write(0x00); for(a = 0; a < 3840; a++) { Write(0x00); } Writecom(0x46); Write(0x60); Write(0x09); Writecom(0x42); Write(0x00); for(a = 0; a < 3840; a++) { Write(0x00); } Writecom(0x59); Write(0x04); } //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ [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 , 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 [13] Note +80⁰C , 200hrs 3