M0220MD‐202MDAR1‐3
Dot‐matrix Character Vacuum Fluorescent Display Module
M‐ 0220‐ M‐ D‐ 202MDA‐ R‐ 1‐3
VFD Module
2 lines x 20 characters Model Dot‐Matrix
Character size = 3.68mm x 8.78mm RoHS Compliant
Parallel interface (M6800)
Newhaven Display International, Inc.
2511 Technology Drive, Suite 101 Elgin IL, 60124 Ph: 847‐844‐8795 Fax: 847‐844‐8796
www.newhavendisplay.com
nhtech@newhavendisplay.com nhsales@newhavendisplay.com
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Document Revision History
Revision 0 1 2
• • • • • •
Date 3/21/2005 9/21/2009 12/4/2009
Description Initial Release
Updated Driver version, modified vf glass pins Reduce pixel size to increase brightness and lifetime
Changed by
CL CL
Functions and Features
2 lines x 20 characters Built‐in controller
Built‐in VF AC power supply 5.0V power supply 5x8 dots with cursor
Parallel interface (Serial interface selectable by jumpers)
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Mechanical Drawing
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Pattern Detail
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Pin Description (parallel interface)
Pin No. Symbol 1 2 3 4 5 6 7‐10 11‐14
VSS VDD NC (/RST) RS R/W E DB0 – DB3 DB4 – DB7
External Connection Power Supply Power Supply ‐ (MPU) MPU MPU MPU MPU
MPU
Function Description
Ground
Power supply for logic (+5.0V)
No Connect (if JP2 is short, PIN3 = Active LOW reset signal) Register select signal RS=1: DATA RS=0: COMMAND Read/Write select signal RW=1: READ RW=0: WRITE Operation enable signal Falling Edge Triggered
Four low order bi‐directional three‐state data bus lines. These four are not used during 4‐bit operation
Four high order bi‐directional three‐state data bus lines.
Recommended LCD connector: 2.54mm pitch pins
Pin Description (optional serial interface)
Pin No. Symbol 1 2 3 4 5 6 7‐14
VSS VDD SI/SO STB NC SCK NC
External Connection Power Supply Power Supply
MPU MPU ‐MPU ‐
Function DescriptionGround
Power supply for logic (+5.0V)Serial Data In, data outSerial Strobe signalNo Connect
Serial Clock signalNo Connect
Recommended LCD connector: 2.54mm pitch pins
Jumper Settings (Default Parallel M68 mode)
Mode JP2 JP3 JP4 JP5JP6JP7Serial Open Short Open ShortOpenShortParallel (I80) *1 Open Short OpenOpenShortParallel (M68) *1 Open Short OpenShortOpen*1) JP2 short enables PIN3 as external reset. JP2 open disables reset.
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Block Diagram
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Electrical Characteristics
Item Operating Temperature Range Storage Temperature Range Operating Humidity Storage Humidity Vibration Shock Supply Voltage Supply Current (*Note) Luminance “H” Level input “L” Level input “H” Level output “L” Level output Symbol Vop Vst Hop Hst - - VDD IDD L Vih Vil Voh Vol Condition10~55Hz
Ta=25°C VDD=5.0V
Min.-40-5000--4.5-3502.202.4-Typ.------5.0290500----Max. +85 +95 85 90 4 40 5.5 435 - VDD 0.6 - 0.4 Unit⁰C ⁰C % % G G V mAcd/m2V V V V *Note: In-rush current can be approx 10 times the specified supply current at power up.
Power-on Timing
Controller Information
Built-in PT6314 controller. Download specification at http://www.newhavendisplay.com/app_notes/PT6314.pdf
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Table of Commands
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M68 Parallel Interface:
The PT6314 can interface with the CPU in 4‐bits or 8‐bits. Note that the internal registers are composed of 8 bits. During data transfer in 4‐bit mode, DB4‐DB7 performs the data transfer operation two times, DB0‐DB3 should be tied HIGH or LOW.
4‐bit Data Transfer (M68):
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8‐bit Data Transfer (M68):
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Built‐in Font Table
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Example Initialization after Power ON
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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 , 48hrs‐30⁰C , 48hrs+70⁰C 48hrs
Note
2 1,22
‐20⁰C , 48hrs1,2
+40⁰C ,90% RH , 48hrs 1,2
Vibration test
Static electricity test
Endurance test applying electric static discharge.
0⁰C,30min ‐> +25⁰C,5min ‐> +50⁰C,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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