NHD-14432WG-BTFH-V#T Graphic Liquid Crystal Display Module NHD14432WGBTFHV#T- Newhaven Display 144 x 32 Pixels Display type: Graphic Model White LED backlight FSTN (+) Transflective, 6:00 Optimal View, Wide Temperature Built-in Positive Voltage RoHS Compliant Newhaven Display International, Inc. 2661 Galvin Ct. Elgin IL, 60124 Ph: 847-844-8795 Fax: 847-844-8796 www.newhavendisplay.com [email protected] [email protected] Document Revision History Revision 0 1 2 3 4 5 6 7 8 9 Date 10/16/08 4/5/10 5/10/10 5/14/10 1/24/12 6/7/13 11/4/16 3/8/17 7/5/17 3/5/18 Description Initial Release User guide reformat Block diagram/optical updated Updated Mechanical Drawing Timing characteristics updated Controller information added Electrical Characteristics Updated Backlight Characteristics Updated Backlight Characteristics Updated Backlight Voltage Corrected Functions and Features • • • • • 144x32 pixels Built-in ST7920-0C Controller +5.0V power supply 1/32 duty RoHS Compliant [2] Changed by BE BE MC AK AK TM SB TM SB Mechanical Drawing 1 2 80.0 7.55 10.33 60.44(A A ) 8.0 P2.54*15=38.1 1.8 8.6 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1.6 4- 2.5 PTH 4-5.0 PA D 0.42 0.38 0.38 75.0 1/32 Duty FSTN Positive / Transflective 6:00 5.0V VDD, 4.35V VLCD White LED ST7920-0C 2 Date Pin Assignment 18.3 O R P 1 R P 40.55 0.42 13.4(AA) 16.0(VA) 25.2 31.0 36.0 0.5 144 * 32 dots 2.5 C 6 Description 13.2 16-1.0 PTH 1 Notes: D 1. Driver: 2. Display Mode: 3. Optimal View: 4. Voltage: 5. Backlight: 6. Driver IC: 5 Rev A 2 11.6 10.3 5.7 2.5 0.5 71.2 66.0(VA ) 4.95 B 4 75.0 2.5 A Y R A T E I 3 V ss V dd Vo RS R/W E D B0 D B1 D B2 D B3 D B4 D B5 D B6 D B7 A K Unit mm Gen. Tol. ±0.3 3 4 Date 03/08/17 5 Part Number: NHD-14432WG-BTFH-V#T 6 The information contained herein is the exclusive property of Newhaven Display International, Inc. and shall not be copied, reproduced, and/or disclosed in any format without permission. [3] B C D Pin Description and Wiring Diagram Pin No. 1 2 3 4 5 6 7-14 15 16 Symbol VSS VDD V0 RS R/W E DB0-DB7 LED+ LED- External Connection Power Supply Power Supply MPU MPU MPU MPU Power Supply Power Supply Function Description Ground Power supply for Logic (+5.0V) No Connect Register Select: 1=Data, 0=Instruction Read/Write select signal, R/W=1: Read R/W: =0: Write Operation Enable signal. Falling edge triggered. This is an 8-bit bi-directional data bus Backlight Anode (32 mA) Backlight Cathode (Ground) 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 VLCD VIH VIL VOH VOL Condition Absolute Max Absolute Max TOP =25° VDD=5.0V - Min. -20 -30 4.5 0.5 4.1 0.7 * VDD VSS 0.8 * VDD VSS Typ. 5.0 1.0 4.35 - Max. +70 +80 5.5 3.5 4.5 VDD 0.6 VDD 0.4 Unit ⁰C ⁰C V mA V V V V V VLED ILED VLED = 3.5V 3.4 10 3.5 30 3.6 40 V mA Symbol ϕY+ ϕYθXθX+ CR TR TF Condition Min. 2 - Typ. 30 60 45 45 5 150 150 Max. 200 200 Unit ⁰ ⁰ ⁰ ⁰ ms ms Optical Characteristics Optimal Viewing Angles Item Top Bottom Left Right Contrast Ratio Response Time Rise Fall CR ≥ 2 TOP = 25°C Controller Information Built-in ST7920-0C. Please download specification at http://www.newhavendisplay.com/app_notes/ST7920.pdf [5] Table of Commands [6] [7] Timing Characteristics MPU write data to ST7920 [8] MPU read data from ST7920 Built-in Font Table Please see: http://www.newhavendisplay.com/appnotes/fonttables/GraphLCD/ST7920-0C_font.pdf [9] Example Initialization Program //------------------------------------------------------------------------------#include <REG52.H> #include "AL.h" sbit ID = P3^0; sbit RW = P3^7; sbit E = P3^4; //------------------------------------------------------------------------------void Init() { Wcom(0x38); Wcom(0x0C); Wcom(0x06); Wcom(0x02); Wcom(0x01); delay(10); Row = 0x80; for(Counthi = 1; Counthi <=32; Counthi++) { Wcom(0x3E); Wcom(Row); Wcom(0x80); for(Count = 1; Count <=40; Count++) { Wdata(0x00); } Row++; } } //------------------------------------------------------------------------------void Wcom(char i) { P1 = i; ID = 0; //Reset P3.0 RW = 0; //Reset P3.7 E = 1; //Set P3.4 delay(1); E = 0; //Reset P3.4 } //------------------------------------------------------------------------------void Wdata(char i) { P1 = i; ID = 1; //Set P3.0 RW = 0; //Reset P3.7 E = 1; //Set P3.4 delay(1); E = 0; //Reset P3.4 } //------------------------------------------------------------------------------- [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 , 200 Hrs. 1,2 +70⁰C , 200 Hrs. 2 -20⁰C , 200 Hrs. 1,2 +60⁰C , 90% RH , 96 Hrs. 1,2 -20⁰C, 30min -> 25⁰C, 5min -> 70⁰C, 30min = 1 cycle For 10 cycles 10-55Hz, 1.5mm amplitude. 60 sec in each of 3 directions X,Y,Z For 15 minutes VS=±800V, RS=330Ω, CS=150pF 10 Times 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 , 200 Hrs. 3