CFA631-RMF-KU2

CFA-631 USB LCD 20x2 +Keypad, Red LED Backlight, STN Negative, Blue, Transmissive 0°C - +50°C 12:00,

  • The only 20x2 USB LCD with keypad designed to fit in a PC's 3.5" floppy disk drive bay.
  • USB interface (115200 baud throughput)
  • LED backlit negative mode STN 20x2 LCD
  • Integrated LED backlit 4-button translucent silicon keypad
  • "key legends" allows user assignment of soft keys to be shown easily on the LCD
  • LCD characters are contiguous in both X and Y directions to allow the host software to display "gapless" bar graphs in horizontal or vertical directions
  • Fully decoded keypad: any key combination is valid and unique
  • Robust packet-based communications protocol with 16-bit CRC
  • Built-in re-programmable microcontroller (factory operation)
  • Non-volatile memory capability ("EEPROM"):
    • Customize the "power-on" display settings
    • 16-byte "scratch" register for storing IP, netmask, system serial number
  • Expandable firmware and configurable hardware that can be customized to add specific features for your system needs:
    • Hardware or software watchdog can provide system reset
    • Other analog or digital I/O
    • Provide "dongle" functionality for software copy protection
    • Autonomous hardware monitoring
    • Fan control and monitoring, temperature monitoring
    (Tooling fee may apply for custom firmware and hardware)

Download:

Windows compatible test/demonstration program with source code.
Linux compatible command-line demonstration program with C source code (8K)
Windows USB driver and installation instructions.
Supported by CrystalControl freeware

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Intelligent USB LCD Modules
CFA631RMFKU2
CFA631RMFKU2 WRUSBY11
  • CFA-631 USB LCD 20x2 +Keypad
  • Red LED Backlight
  • STN Negative, Blue
  • Transmissive 0°C - +50°C 12:00
  • Includes Items:
    • WRUSBY11
      • Motherboard header to 2mm Cable USB Displays, approximately 27" length
      • RoHS Compliant
Quantity in Cart
Price Each
N/A
Item Total
N/A
Qty 1+ 10+ 20+ 50+* 100+* 200+* 500+* 1000+*
Price 62.60 58.50 54.50 50.40 46.30 42.30 38.20 34.10
* These quantities may be subject to 4-10 weeks lead time.
System Cooling Accessory Board
SCAB
SCAB
  • System Cooling Accessory Board
Quantity in Cart
Price Each
N/A
Item Total
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Qty 1+ 10+ 20+ 50+* 100+* 200+* 500+* 1000+*
Price 10.34 10.23 10.17 10.11 10.06 10.00 9.06 8.92
* These quantities may be subject to 4-10 weeks lead time.
UBERSCAB
UBERSCAB SCABWRPWRY12WRDOWY17WRFANX01WREXTY15WREXTY19
  • System Cooling Accessory Board with all optional cables.
  • Includes Items:
    • SCAB
      • System Cooling Accessory Board
    • WRPWRY12
      • 4 pin hard drive to floppy connector and hard drive splitter cable
      • RoHS Compliant
      • Add a "3 1/2 floppy" power connector to your system or supply power to a CFA-633 or CFA-633 USB LCD module.
    • WRDOWY17x4
      • Dallas One Wire DS18B20 32" temperature sensor cable featuring the Dallas/Maxim DS18B20 that can connect multiple sensors to one cable
      • Easy connection of up to 32 temperature sensors for 633, 633USB modules and the 631 and 635 modules with SCAB attached
      • RoHS compliant
    • WRFANX01x4
      • 16" 3-pin Fan Extension Cable
      • RoHS Compliant
    • WREXTY15
      • 16" 16-pin CFA-631/635 to SCAB connector cable
      • RoHS Compliant
    • WREXTY19
      • 3.5" 16-pin CFA-631/635 to SCAB connector cable
      • RoHS Compliant
Quantity in Cart
Price Each
N/A
Item Total
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Qty 1+ 10+ 20+ 50+* 100+* 200+* 500+* 1000+*
Price 34.00 33.63 33.44 33.26 33.07 32.89 31.82 31.55
* These quantities may be subject to 4-10 weeks lead time.
Cables
WRDOWY17
WRDOWY17
  • Dallas One Wire DS18B20 32" temperature sensor cable featuring the Dallas/Maxim DS18B20 that can connect multiple sensors to one cable
  • Easy connection of up to 32 temperature sensors for 633, 633USB modules and the 631 and 635 modules with SCAB attached
  • RoHS compliant
Quantity in Cart
Price Each
N/A
Item Total
N/A
Qty 1+ 4+ 500+*
Price 9.00 5.00 4.00
* These quantities may be subject to 4-10 weeks lead time.
WREXTY15
WREXTY15
  • 16" 16-pin CFA-631/635 to SCAB connector cable
  • RoHS Compliant
Quantity in Cart
Price Each
N/A
Item Total
N/A
Qty 1+ 25+ 50+*
Price 5.00 4.00 3.00
* These quantities may be subject to 4-10 weeks lead time.
WREXTY19
WREXTY19
  • 3.5" 16-pin CFA-631/635 to SCAB connector cable
  • RoHS Compliant
Quantity in Cart
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Item Total
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Qty 1+ 25+ 50+*
Price 5.00 4.00 3.00
* These quantities may be subject to 4-10 weeks lead time.
WRPWRY12
WRPWRY12
  • 4 pin hard drive to floppy connector and hard drive splitter cable
  • RoHS Compliant
  • Add a "3 1/2 floppy" power connector to your system or supply power to a CFA-633 or CFA-633 USB LCD module.
Quantity in Cart
Price Each
N/A
Item Total
N/A
Qty 1+ 25+ 50+*
Price 5.00 4.00 3.50
* These quantities may be subject to 4-10 weeks lead time.
WRPWRY14
WRPWRY14
  • Cable for ATX power functionality for CFA-633 serial and CFA-633 USB, CFA-631, CFA-635 USB LCD modules, and SCAB
  • RoHS Compliant
  • Allows turning an ATX power supply on and off, or power cycling a computer through the CFA-633.
Quantity in Cart
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N/A
Item Total
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Qty 1+ 25+ 50+*
Price 5.00 4.00 3.50
* These quantities may be subject to 4-10 weeks lead time.
WRPWRY24
WRPWRY24
  • Power cable for CFA-RS232 board or CFA-631/CFA-635 modules
  • RoHS Compliant
  • PC power supply to 16 pin connector cable
  • Connect power directly from the power supply to the CFA-631 or CFA-635 LCD module. Note that JP2 will need to be opened on the module when used with this cable to avoid back-powering the USB bus
  • Approximate length 26"
Quantity in Cart
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Qty 1+ 25+ 50+*
Price 5.00 4.00 3.50
* These quantities may be subject to 4-10 weeks lead time.
WRPWRY25
WRPWRY25
  • ATX Power cable for CFA-631/CFA-635 modules
  • RoHS Compliant
  • PC power supply to 16 pin connector cable used to connect power directly from the power supply to the CFA-631 or CFA-635 LCD module
  • Allows for ATX power switch functionality for the CFA-631 and CFA-635 series LCD modules without the use of a SCAB. Note that JP2 will need to be opened on the module when used with this cable to avoid back-powering the USB bus
  • Approximate length 11"
Quantity in Cart
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N/A
Item Total
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Qty 1+ 25+ 50+*
Price 5.00 4.00 3.50
* These quantities may be subject to 4-10 weeks lead time.
WRUSBY03
WRUSBY03
  • USB-A to 2mm Cable for all USB Displays
  • RoHS Compliant
Quantity in Cart
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Item Total
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Qty 1+ 25+ 50+*
Price 5.00 4.00 3.00
* These quantities may be subject to 4-10 weeks lead time.
WRUSBY11
WRUSBY11
  • Motherboard header to 2mm Cable USB Displays, approximately 27" length
  • RoHS Compliant
Quantity in Cart
Price Each
N/A
Item Total
N/A
Qty 1+ 25+ 50+*
Price 5.00 4.00 3.50
* These quantities may be subject to 4-10 weeks lead time.

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Physical Characteristics

Characters x Lines 20 x 2
Module Overall
width height depth
millimeters 101.6 25.4 93.1
inches 4 1 3.67
PCB Outline
width height depth
millimeters 101.6 25.4 93.1
inches 4 1 3.67
Viewing Area
width height
millimeters 66 13.8
inches 2.6 0.54
Active Area
width height
millimeters 63.55 10.35
inches 2.5 0.41
Character Size
width height
millimeters 2.6 4.5
inches 0.1 0.18
Character Pitch
width height
millimeters 3.18 5.2
inches 0.13 0.2
Dot Size
width height
millimeters 0.48 0.6
inches 0.02 0.02
Dot Pitch
width height
millimeters 0.53 0.65
inches 0.02 0.03
Weight 80g
Keystroke Travel 2mm

Optical Characteristics

Glass Type/Glass Color STN/Blue
Polarizer Transmissive
View Direction 12:00
Backlight Color Red
Backlight Type LED
Mode Negative

Environmental

Operating Temperatures
min max
Celsius 0° 50°
Farenheit 32° 122°
Storage Temperatures
min max
Celsius -10° 60°
Farenheit 14° 140°
Humidity
min max
Non-condensing 0% 90%

Electronics

Interface USB

Datasheets

Current Version

CFA631-RMF-KU_v2.0a.pdf (2MB)
Datasheet: rev 2.0a, Hardware: v2.0, Firmware: v2.0
Previous Versions
CFA_631_v2.0.pdf (1MB)
CFA_631_v1.0.pdf (654KB)

Other Documents

Block Diagram (13KB)
1 to 1 Template (36KB)

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Quick View: Metric Scale Drawing
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