NHD-14432WG-BTFH-V#T

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 nhtech@newhavendisplay.com nhsales@newhavendisplay.com Document Revision History Revision 0 1 2 3 4 5 6 7 8 9 10 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 5/5/20 11 9/30/20 12 3/23/21 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 Included Serial Interface Compatibility, Updated Wiring Diagram + Pinout Included Note on LCD Contrast Optimized for 25°C & Wiring Diagram Updated Notes in 2D Mechanical Drawing, Electrical Characteristics, & Quality Information Functions and Features • • • • • • 144x32 pixels Built-in ST7920-0C Controller +5.0V power supply 1/32 duty Contrast Optimized for 25°C RoHS Compliant [2] Changed by BE BE MC AK AK TM SB TM SB AS AS AS 1 3 Mechanical Drawing 4 2.5 7.55 10.33 60.44(A A ) 11.6 10.3 5.7 2.5 8.0 DATE B P2.54*15=38.1 1.8 16- 1.0 PTH 13.2 8.6 Pin Assignment 16 18.3 13.4(AA) 16.0(VA) 25.2 31.0 8 0.5 71.2 66.0(VA ) 1 36.0 0.5 7 REVISION 75.0 4.95 C 6 A 80.0 B 5 SYMBOL 2 A 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 144 * 32 dots 2.5 40.55 1.6 4- 2.5 PTH 4- 5.0 PA D 75.0 D 1 1/32 Duty FSTN Posi�ve / Transflec�ve 6:00 5.0V VDD White LED ST7920-0C Op�mized Contrast @ 25°C 2 3 C D E STANDARD TOLERANCE: (UNLESS OTHERWISE SPECIFIED) LINEAR: ±0.3mm 0.38 F Notes: 1. Driver: 2. Display Mode: 3. Op�mal View: 4. Voltage: 5. Backlight: 6. Driver IC: 7. Contrast: 0.42 0.38 0.42 E 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 DRAWN BY: UNLESS OTHERWISE SPECIFIED: - DIMENSIONS ARE IN MILLIMETERS 5 6 1.0 NHD-14432WG-BTFH-V#T DRAWN DATE: - THIRD ANGLE PROJECTION 4 REVISION: DRAWING/PART NUMBER: A. Shah 3/23/21 APPROVED BY: APPROVED DATE: DO NOT SCALE DRAWING SIZE: A3 A. Shah SCALE: 3/23/21 NS SHEET 1 OF 1 THIS DRAWING IS SOLELY THE PROPERTY OF NEWHAVEN DISPLAY INTERNATIONAL, INC. THE INFORMATION IT CONTAINS IS NOT TO BE DISCLOSED, REPRODUCED OR COPIED IN WHOLE OR PART WITHOUT WRITTEN APPROVAL FROM NEWHAVEN DISPLAY. 7 8 F Pin Description Parallel Interface: (Default) 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) Do No Connect (Fixed Contrast Optimized for 25°C) 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 @ +3.5V) Backlight Cathode (Ground) External Connection Power Supply Power Supply MPU MPU MPU MPU Power Supply Power Supply Function Description Ground Supply Voltage for LCD and logic (+5.0V) Do No Connect (Fixed Contrast Optimized for 25°C) Active LOW Chip Select signal. Serial Data Input Serial Clock No Connect. Tie to Ground. Backlight Anode (32mA @ +3.5V) Backlight Cathode (Ground) Serial Interface: Pin No. 1 2 3 4 5 6 7-14 15 16 Symbol VSS VDD V0 /CS SID SCLK NC LED+ LED- MPU Interface Jumper Selection MPU Interface Parallel (default) Serial J3 (default) Short Open J4 Open Short Recommended LCD connector: 2.54mm pitch pins Backlight connector: Mates with: - [4] Wiring Diagram [5] Electrical Characteristics Item Operating Temperature Range Storage Temperature Range Supply Voltage Supply Current Supply for LCD (Fixed Contrast) Symbol TOP TST VDD IDD “H” Level input “L” Level input “H” Level output “L” Level output VIH VIL VOH VOL Condition Absolute Max Absolute Max VDD=5.0V TOP =25° VDD=5.0V - Backlight Supply Voltage* Backlight Supply Current VLED ILED ILED = 32mA - VLCD Min. -20 -30 4.5 0.5 - Typ. 5.0 1.0 - Max. +70 +80 5.5 3.5 - Unit ⁰C ⁰C V mA V 0.7 * VDD VSS 0.8 * VDD VSS - VDD 0.6 VDD 0.4 V V V V 3.4 10 3.5 32 3.6 40 V mA *The LED of the backlight is driven by current drain; drive voltage is for reference only. Drive voltage must be selected to ensure backlight current drain is below MAX level stated. Optical Characteristics Optimal Viewing Angles Item Top Bottom Left Right Contrast Ratio Response Time Rise Fall Symbol ϕY+ ϕYθXθX+ CR TR TF Condition CR ≥ 2 TOP = 25°C Min. 2 - Typ. 30 60 45 45 5 150 150 Max. 200 200 Controller Information Built-in ST7920-0C. Please download specification at http://www.newhavendisplay.com/app_notes/ST7920.pdf [6] Unit ⁰ ⁰ ⁰ ⁰ ms ms Table of Commands [7] [8] Timing Characteristics MPU write data to ST7920 [9] MPU read data from ST7920 Built-in Font Table Please see: http://www.newhavendisplay.com/appnotes/fonttables/GraphLCD/ST7920-0C_font.pdf [10] Example Initialization Program //------------------------------------------------------------------------------#include #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 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 Air: ±800V, RS=330Ω, CS=150pF Contact: ±600V, RS=330Ω, CS=150pF For 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 [12] Note +80⁰C , 200 Hrs. 3