NHD‐19232WG‐BTMI‐V#T
Graphic Liquid Crystal Display Module
NHD‐ 19232‐ WG‐ B‐ T‐ M‐ I‐ V#T‐ Newhaven Display 192 x 32 pixels Display Type: Graphic Model White LED Backlight STN‐Blue (‐) Transmissive, 6:00 view, Wide Temp. (‐20°C ~ +70°C) Built‐in Positive 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 [1]
Document Revision History
Revision 0 1 2 • • • • • Date 10/9/2007 11/27/2008 4/20/2010 Description Initial Release Backlight info updated User guide reformat Changed by ‐ ‐ BE
Functions and Features
192 x 32 pixels Built‐in ST7920 controller +5.0V Power Supply 1/32 duty RoHS Compliant
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Mechanical Drawing
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Pin Description and Wiring Diagram
Pin No. Symbol 1 2 3 4 5 6 7‐14 15 16 A K VSS VDD V0 RS R/W E DB0‐DB7 Vout NC LED+ LED‐ External Connection Power Supply Power Supply Adj. Power Supply MPU MPU MPU MPU Power Supply ‐ Power Supply Power Supply Function Description Ground Power supply for logic (+5.0V) Power Supply for contrast (approx. 0.5V) Register select signal. RS=0: Command, RS=1: Data Read/Write select signal, R/W=1: Read R/W: =0: Write Operation enable signal. Falling edge triggered. Bi‐directional 8‐bit data bus Positive voltage output (+5.0V) No Connect Power supply for LED Backlight (+3.5V) Ground for Backlight
Recommended LCD connector: 2.54mm pitch pins Backlight connector: ‐ Mates with: ‐
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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‐V0 VIH VIL VOH VOL Vled Iled ‐ Condition Absolute Max Absolute Max VDD=5.0V Ta=25°C Min. ‐20 ‐30 4.5 1.5 ‐ 0.7VDD ‐0.3 0.8VDD 0 3.4 28.8 ‐ Typ. ‐ ‐ 5.0 2.0 4.5 ‐ ‐ ‐ ‐ 3.5 32 50,000 Max. +70 +80 5.5 2.8 ‐ VDD 0.6 VDD 0.4 3.6 50 ‐ Unit ⁰C ⁰C V mA V V V V V V mA Hrs.
‐ Vled=3.5V Iled=32mA
Optical Characteristics
Item Viewing Angle ‐ Vertical Viewing Angle ‐ Vertical Viewing Angle – Horizontal Viewing Angle ‐ Horizontal Contrast Ratio Response Time (rise) Response Time (fall) Symbol AV AV AH AH Cr Tr Tf Condition Cr ≥ 2 Cr ≥ 2 Cr ≥ 2 Cr ≥ 2 ‐ ‐ Min. ‐ ‐ ‐ ‐ ‐ ‐ ‐ Typ. 20 40 30 30 3 150 150 Max. ‐ ‐ ‐ ‐ ‐ 200 200 Unit ⁰ ⁰ ⁰ ⁰ ‐ ms ms
Controller Information
Built‐in ST7920. Download specification at http://www.newhavendisplay.com/app_notes/ST7920.pdf
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Table of Commands
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Timing Characteristics
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Example Initialization Program
//-------------------------------------------------------------------------void Init() { Wcom(0x38); Wcom(0x0C); Wcom(0x06); Wcom(0x02); Wcom(0x01); delay(10); Row = 0x80; for(Counthi = 1; Counthi 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
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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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NHD-19232WG-BTMI-VT 价格&库存
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