NHD-320240WG-BOSMI-VZ 数据手册
NHD‐320240WG‐BoSMI‐VZ#
Graphic Liquid Crystal Display Module
NHD‐ 320240‐ WG‐ Bo‐ S‐ M‐ I‐ VZ#‐ Newhaven Display 320 x 240 pixels Display Type: Graphic Model Bright White LED Backlight STN‐ Negative Blue Transmissive, 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 nhsales@newhavendisplay.com nhtech@newhavendisplay.com
Document Revision History
Revision 0 1 • • • • Date 6/7/2007 3/15/2010 Description Initial Release User guide reformat Changed by ‐ MC
Functions and Features
320 x 240 pixels Built‐in RA8835 Controller +5.0V power supply RoHS Compliant
Mechanical Drawing
160.0 0.5 4.0 11.31 25.0 28.41 4.0 2.15 8.5 152.0 122.0(VA) 115.18(AA) 13.0MAX 6.5 1.0
101.0
320*240 Dots 190.0 5.0
4-3.5PTH 4-PAD
1.0 (PCB) LED B/L
0.36 0.34
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
VSS Vcc Vo A0 R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 /CS /RST Vee NC FG NC
109.0 0.5
86.38(AA)
104.7 92.0(VA)
0.36 0.34
The non-specified tolerance of dimension is
DOT SIZE SCALE 10/1
0.3mm.
Newhaven Display
NHD-320240WG-BoSMI-VZ#
Pin Description and Wiring Diagram
Pin No. Symbol 1 2 3 4 5 6 7‐14 15 16 17 18 19 20 VSS VDD V0 A0 R/W E DB0‐DB7 /CS /RST VEE NC FG NC External Connection Power Supply Power Supply Adj Power Supply MPU MPU MPU MPU MPU MPU Power Supply ‐ ‐ ‐ Function Description Ground Power supply for logic (+5.0V) Power supply for contrast (approx. ‐19.0V) Register select signal. A0=0: Command, A0=1: Data Read/Write select signal, R/W=1: Read R/W: =0: Write Operation enable signal. Falling edge triggered. Bi‐directional three‐state data bus lines. Active LOW chip select Active LOW reset signal Negative voltage output (‐25V) No Connect No Connect No Connect
Recommended LCD connector: 1.0mm pitch, 20‐pos FFC connector Backlight connector: JST p/n: XHP‐3 Mates with: JST p/n: B 3B‐XH‐A
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 Ta=25°C, VDD=5.0V Ta=25°C ‐ ‐ ‐ Min. ‐20 ‐30 4.5 95.0 22.0 0.5VDD 0 2.4 ‐ 3.4 120 ‐ Typ. ‐ ‐ 5.0 100.0 24.0 ‐ ‐ ‐ ‐ 3.5 160 50,000 Max. +70 +80 5.5 110.0 26.0 VDD 0.2VDD ‐ 0.4 3.6 180 ‐ Unit ⁰C ⁰C V mA V V V V V V mA Hrs
VLED=3.5V ILED=160mA
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 ≥ 3 Cr ≥ 3 ‐ ‐ Min. ‐20 ‐30 ‐ ‐ ‐ Typ. ‐ ‐ 3 150 150 Max. 40 30 ‐ 200 200 Unit ⁰ ⁰ ‐ ms ms
Controller Information
Built‐in RA8835. Download specification at http://www.newhavendisplay.com/app_notes/RA8835.pdf
Table of Commands
Timing Characteristics
Example Initialization Program:
//‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ #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() { comm_out(0x40);
Quality Information
Test Item
High Temperature storage Low Temperature storage High Temperature Operation Low Temperature Operation High Temperature / Humidity Operation Thermal Shock resistance
Content of Test
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.
Test Condition
+80⁰C , 200hrs ‐30⁰C , 200hrs +70⁰C 200hrs
Note
2 1,2 2
‐20⁰C , 200hrs
1,2
+60⁰C , 90% RH , 96hrs
1,2
Vibration test
Static electricity test
Endurance test applying electric static discharge.
‐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
3
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
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