NHD‐320240WG‐CoTFH‐VZ# Graphic Liquid Crystal Display Module NHD‐ 320240‐ WG‐ Co‐ T‐ F‐ H‐ VZ#‐ Newhaven Display 320 x 240 pixels Display Type: Graphic Model White LED Backlight FSTN (+) Transflective, 6:00 view, Wide Temperature (‐20°C ~+70°C) Built‐in Negative Voltage 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 Date 6/7/2007 3/17/2010 Description Initial Release User guide reformat Functions and Features • • • • 320 x 240 pixels Built‐in RA8835 Controller +5.0V power supply RoHS Compliant [2] Changed by ‐ MC 16.62 7.11 13.74 4.02 Mechanical Drawing 4.02 139.98 4.44 136.2 13.97 16.45 120.14(V A ) 115.18(A A ) 15.6M A X 10.5 86.38(AA) 320*240 D ots 190.0±5.0 (P2.54*9) 0.5 21.06 20- 1.0PTH 20- 1.8PA D 1.6 LED B/L V ss V dd Vo E R/W A0 D B0 D B1 D B2 D B3 D B4 D B5 D B6 D B7 /CS / R ST V ee FG NC NC T he non-specified tolerance of dim ension is ±0.3 m m . 0.36 0.34 Newhaven Display 0.34 148.02 2 1 22.86 0.36 4- 3.5PTH 4- 6.0PA D 5.0 20 19 2.54 105.4 92.14(VA) 112.2 120.24 0.5 X H -3P EQ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 D O T SIZE SCA LE 10/1 NHD-320240WG-CoTFH-VZ Pin Description and Wiring Diagram Pin No. Symbol 1 2 3 4 5 6 7‐14 15 16 17 18 19 20 A K VSS VDD V0 E R/W A0 DB0‐DB7 /CS /RST VEE FG NC NC LED+ LED‐ External Connection Power Supply Power Supply Adj Power Supply MPU MPU MPU MPU MPU MPU Power Supply Power Supply ‐ ‐ Power Supply Power Supply Function Description Ground Power supply for logic (+5.0V) Power supply for contrast (approx. ‐18.8V) Operation enable signal. Falling edge triggered. Read/Write select signal, R/W=1: Read R/W: =0: Write Register select signal. A0=0: Command, A0=1: Data Bi‐directional three‐state data bus lines. Active LOW chip select Active LOW reset signal Negative voltage output (‐25V) Frame Ground No Connect No Connect Power Supply for LED Backlight (+5.0V) Ground for Backlight Recommended LCD connector: 2.54mm pitch pins Backlight connector: JST p/n: XHP‐3 Mates with: JST p/n: S3B‐XH‐SM3‐TB [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‐VLCD VIH VIL VOH VOL VLED ILED Condition Absolute Max Absolute Max ‐ ‐ ‐ Min. ‐20 ‐30 4.5 95.0 23.0 0.5VDD 0 2.4 ‐ Typ. ‐ ‐ 5.0 100.0 23.8 ‐ ‐ ‐ ‐ VLED=3.5V ILED=128mA 3.4 115.2 ‐ 3.5 128 50,000 Ta=25°C, VDD=5.0V Ta=25°C Max. +70 +80 5.5 110.0 25.0 VDD 0.2VDD ‐ 0.4 3.6 200 ‐ Unit ⁰C ⁰C V mA V V V V V V mA Hrs Max. 60 45 ‐ 300 200 Unit ⁰ ⁰ ‐ ms ms Optical Characteristics Item Viewing Angle ‐ Vertical Viewing Angle ‐ Horizontal Contrast Ratio Response Time (rise) Response Time (fall) Symbol AV AH Cr Tr Tf Condition Cr ≥ 2 Cr ≥ 2 ‐ ‐ Min. ‐30 ‐45 ‐ ‐ ‐ Typ. ‐ ‐ 5 200 150 Controller Information Built‐in RA8835. Download specification at http://www.newhavendisplay.com/app_notes/RA8835.pdf [5] Table of Commands [6] Timing Characteristics [7] Initialization Code [8] //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ #define A0 P3_0 #define RW P3_7 #define E P3_4 #define CS P3_1 #define RESET P3_6 //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ void data_out(unsigned char i) //Data Output 16‐bit Bus Interface { A0 = 0; P1 = i; CS = 0; RW = 0; E = 1; delay(1); E = 0; RW = 1; CS = 1; } void comm_out(unsigned char j) //Command Output 8‐bit Bus Interface { A0 = 1; P1 = j; CS = 0; RW = 0; E = 1; delay(1); E = 0; RW = 1; CS = 1; } //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ // Initialization For RA8835 //‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ void resetLCD() { RESET = 0; delay(5); RESET = 1; delay(10); } void init_LCD() Quality Information [9] 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 [10] Note +80⁰C , 200hrs 3