Product
Green 16x2 Character USB Display Module
Part Number: CFA633-YYH-KU
16x2 USB character LCD module, Fans support, 6 button keypad, RoHS / REACH compliant, Yellow-Green LED Backlight, STN Positive, Yellow-Green, Transflective, -20°C to +70°C, 6:00 viewing angle.
- Robust packet based communications protocol with 16-bit CRC.
- Compact size: fits in a 1U rack mount case (35 mm overall height).
- Advanced digital GPIO control with PWM output.
- Four fan connectors with RPM monitoring or variable PWM fan power control.
NOTE: Not recommended for use with 4-Wire fans. - Available in a 5.25" half-height LCD drive bay kit.
- ATX power supply control functionality allows the buttons on the CFA-633 to replace the "power" and "reset" buttons on your system, simplifying your front panel design.
- Temperature monitoring: up to 32 channels at up to 0.5 deg C absolute accuracy. Ready-to-use WRDOWY17 Dallas Semiconductor 1-Wire temperature sensors are optional. Alternatively, you can create your own sensors using DS1822 or DS18B20 parts and the tutorial on creating temperature sensors.
- Integrated LED backlit 6-button translucent silicon keypad with screened legend.
- "Fail-Safe" fan power setting allows safe host fan control based on temperature.
- Non-volatile memory ("EEPROM") capability: Customize the "power-on" display settings plus a 16-byte "scratch" register for storing IP, netmask, system serial number, etc.
Currently Shipping: HW Version 2.1, Firmware Version: U2v1
Product Variations
Interfaces | RS232USB |
|---|
Colors | Dark on Light Gray White LED BacklightRed on Dark Red LED BacklightWhite on Blue White LED BacklightDark on Yellow-Green Yellow-Green LED Backlight |
|---|
Other components worth considering
Additional Resources
Part Change Notices
Subscribe to Part Change Notices by email 
or RSS 
- text_snippet
End-Of-Life #11262: End-Of-Life Notification
- text_snippet
Part Change Notice #11243: Keypad LED Change
- text_snippet
Part Change Notice #10730: CFA633 series Firmware revision 2.1 to 2.2
- text_snippet
Part Change Notice #10729: CFA633 series Hardware revision 2.0 to 2.1
- text_snippet
Part Change Notice #10658: Deprecation of "Drive Bay Kit Configurator" / New part numbers for drive bay kits.
Products Affected: CFA631-RMF-KU1, CFA631-RMF-KU2, CFA631-RMF-KU, CFA633-YYB-KS, CFA633-TMC-KS, CFA633-RMC-KS, CFA633-YYB-KU, CFA633-TMC-KU, CFA633-RMC-KU, CFA635-YYE-KS, CFA635-TMF-KS, CFA635-TFE-KS, CFA635-TMF-KL, CFA635-TFE-KL, CFA631-TMF-KU, CFA635-TFE-KU, CFA635-YYE-KL, CFA635-TMF-KU, CFA635-YYE-KU, DS635-AL, DS635-BG, DS635-BK, DS635-AK, CFA533-YYH-KS, CFA533-YYH-KU, CFA533-TMI-KS, CFA533-TMI-KU, CFA533-YYH-KL, CFA533-TMI-KL, CFA533-YYH-KC, CFA533-TMI-KC, CFA533-YYH-KI, CFA633-YYH-KS, CFA633-TMI-KS, CFA633-YYH-KU, CFA633-TMI-KU, CFA632-YFH-KS, CFA632-YDI-KS, CFA632-YFH-KU, CFA632-YDI-KU, CFA634-TFH-KS, CFA634-TMI-KS, CFA634-YFH-KS, CFA634-YDI-KS, CFA634-TFH-KU, CFA634-TMI-KU, CFA634-YFH-KU, CFA634-YDI-KU, CFA633-RDI-KU, CFA633-RDI-KS, CFA533-TFH-KU, CFA533-TFH-KS, CFA633-TFH-KU, CFA633-TFH-KS, CFA533-TFH-KL, CFA533-TFH-KC, CFA735-TFK-KR, CFA735-TFK-KT, CFA735-TML-KR, CFA735-TML-KT, CFA735-YYK-KR, CFA735-YYK-KT, CFA631-RMF-KU32, CFA631-RMF-KU128, CFA631-RMF-KU160, CFA631-RMF-KU33, CFA631-RMF-KU129, CFA631-RMF-KU161, CFA631-RMF-KU-162, CFA632-YDI-KL, CFA632-YDI-KN, CFA632-YDI-KC, CFA632-YDI-KP, CFA632-YFH-KL, CFA632-YFH-KN, CFA632-YFH-KC, CFA632-YFH-KP, CFA634-YDI-KC, CFA634-TMI-KC, CFA634-YFH-KC, CFA634-TFH-KC, CFA634-YFH-KL, CFA634-TFH-KL, CFA634-TMI-KL, CFA634-YDI-KL, CFA634-TFH-KP, CFA634-YFH-KP, CFA634-TMI-KP, CFA634-YDI-KP, CFA634-TFH-KN, CFA634-YFH-KN, CFA634-TMI-KN, CFA634-YDI-KN, CFA631P-TMF-KU Date Issued: July 1, 2015 Summary: Deprecation of "Drive Bay Kit Configurator" / New part numbers for drive bay kits. Description: Starting August 1, 2015 the "Drive Bay Kit Configurator" located at https://www.crystalfontz.com/products/select_kit.html will no longer be functional for ordering one of our Serial or USB displays (CFA533, CFA631, CFA632, CFA633, CFA634, CFA635, and CFA735) in a bracket or SLED. This functionality is being moved to the Customize and Add to Cart process when checking out. This will allow for further customization by our customers to better fit their needs.
This change will eliminate the current "kits", but will add options not previously available such as pre-configured ATX functionality, and ALL the currently available interfaces will be orderable in a drive bay bracket or SLED.
The new part numbers will have the bracket / SLED and overlay type as a PREFIX to the configured part number. The choice for bracket / SLED to a display order will be via the cart options. Our CFA835 displays were introduced with these configuration options.
To see how the new options will look, and what the new part numbers will look like, please see one of our CFA835 parts:
https://www.crystalfontz.com/cart/addtocart.php?product_id=2277&qty=1
NOTE: The SLED is only available for the CFA635, CFA735, and CFA835 products.
Reason: As part of our continuous improvement process, we are integrating the ordering of displays in drive bay and SLED kits as part of the display ordering process. Impact: Drive bay kits in their current configuration will no longer be available. Recommendation: Place orders prior to 2015-08-01 for upcoming production needs via our website or by contacting our logistics department via email: sales@crystalfontz.com, or by calling 1-888-206-9720 (International call +1-509-892-1200).
After the 2015-08-01, please contact our engineering department via support@crystalfontz.com to assist you with ordering your bracket / SLED kits.
Availability: Starting 2015-08-01, the bracket and SLED options for our serial and USB display will be part of the ordering process for the displays Price Change: Pricing bracket / SLED configurations will reflect manufacturing costs. - text_snippet
Product Update #10430: Parts bundled with, and options for WRUSBY11 will now be bundled with and have options for WRUSBY33.
Products Affected: CFA635-TFE-KU, CFA635-TMF-KU, CFA635-YYE-KU, CFA633-YYH-KU, CFA633-TMI-KU, CFA632-NFG-KU, CFA632-YFH-KU, CFA632-YDI-KU, CFA633-RDI-KU, CFA633-TFH-KU Date Issued: September 25, 2012 Summary: Parts bundled with, and options for WRUSBY11 will now be bundled with and have options for WRUSBY33. Description: The WRUSBY33 cable is replacing the WRUSBY11 cable as our standard offering for product bundles and cable options for an internal USB connection for our line of intelligent modules.
The WRUSBY11 has four individual connectors for +5v, -Data, +Data, and Ground. WRUSBY11 Product Page: https://www.crystalfontz.com/product/wrusby11-usb-motherboard-cable
Reason
Based on customer requests and feedback, the WRUSBY33 has a much simpler connection to the main board of a system with a 0.100" standard USB header. The mainboard end of the WRUSBY33 is a single piece 4 pin connector, vs the individual single pin connectors on the WRUSBY11.
The WRUSBY33 has a single connector for +5v, -Data, +Data, and Ground that follows the standard pin out configuration. WRUSBY33 Product Page:
https://www.crystalfontz.com/product/wrusby33-2mm-lcd-usb-cableReason: Based on customer requests and feedback, the WRUSBY33 has a much simpler connection to the main board of a system with a 0.100" standard USB header. The mainboard end of the WRUSBY33 is a single piece 4 pin connector, vs the individual single pin connectors on the WRUSBY11. Impact: The change should have no fit, form, or function change if the system board being used has a standard 0.100" four pin header for USB connectivity that follows the the standard pin out configuration.
Semi-Custom, or Defined Part (DP) numbers will not be affected.
Recommendation: Continue to order your parts with internal USB cable as normal.
If you currently use a Semi-Custom, or Defined Part (DP) number and would like to change to the WRUSBY33 for your part, please contact Engineering Services via support@crystalfontz.com and request the change.Availability: The WRUSBY33 will be replacing the WRUSBY11 effective 2012-09-25. Price Change: There is no price change associated with this product update notice. - text_snippet
Part Change Notice #10402: CFA633 Firmware 2v1
Products Affected: CFA633-YYB-KS, CFA633-TMC-KS, CFA633-RMC-KS, CFA633-YYB-KU, CFA633-TMC-KU, CFA633-RMC-KU, CFA633-YYH-KS, CFA633-TMI-KS, CFA633-YYH-KU, CFA633-TMI-KU, CFA633-RDI-KU, CFA633-RDI-KS, CFA633-TFH-KU, CFA633-TFH-KS Date Issued: February 13, 2012 Summary: CFA633 Firmware 2v1 Last revision: v2.0 Description: As part of our continuous improvement process, Crystalfontz America, Inc. is releasing a new version of firmware for the 2v0 hardware based CFA633 family of intelligent modules. Reason: Fixes:
Command 10 (0x0A) Read 8 Bytes of LCD Memory.
Corrected the range of data[0] to reflect the native addressing of the LCD controller.
Command 11 (0x0B) Set LCD Cursor position.
Updated algorithm used for updating cursor location.
Corrects potential power-up corruption of boot state with the serial interface (-KS).
Enhancements:
Command 4 (0x04) Store current state as boot state.
Firmware compares stored stated and current state. Returns error if there is a difference.
Command 28 (0x1C) Set ATX Power switch functionality.
Added auto polarity switch. Improved pulse length functionality, and added feature to hold until system off during power down.
Updates:
Command 1 (0x01) Get Hardware & Firmware Version.
Modules with the serial interface, KS, will report: "CFA633:h2.0,s2v1"
Modules with the USB interface, KU, will report: "CFA633:h2.0,u2v1"Impact: All CFA633 modules are impacted by the new firmware release. Recommendation: It is recommended that all customers migrate to this new firmware release. Availability: Starting 2012-03-01 all standard modules will ship with this new version of the firmware.
Customers with Defined Part (DP) numbers will not have their modules shipped with this new firmware automatically. Please contact our engineering support team at support@crystalfontz.com.
Price Change: This update to the firmware does not affect the pricing of the CFA633 family of modules. - text_snippet
Part Change Notice #10298: Firmware Changes
Products Affected: CFA633-YYH-KS, CFA633-TMI-KS, CFA633-YYH-KU, CFA633-TMI-KU Date Issued: November 23, 2010 Summary: Firmware Changes Description: As announced in a PCN 10286 https://www.crystalfontz.com/news/pcn.php?id=10286 on 2010/10/06, the new CFA633 hardware v2.0 / Firmware version 2.0 ("s2.0" for serial modules and "u2.0" for USB modules) is fit, form, and function compatible with previous versions of the CFA633 series (hardware versions 1.5x).
Data Sheet. v0.1 was published 2010/11/22 for CFA633 hardware v2.0 / Firmware s2.0/u2.0. The Data Sheet includes descriptions of two command changes:
- In command 5 (0x05): Reboot CFA633, Reset Host, or Power Off Host, the module now knows if it is coming from a power up or from a reset. This in turn improves the bootup sequence. A note was added to describe the brief delay at bootup when more than one of the optional fans are on.
- In command 12 (0x0C): Set LCD Cursor Style, cursor style choice "3" changed from "3 = blinking block plus underscore" to "3 = blinking underscore cursor." The rate at which the cursor blinks is faster than in previous CFA633 versions (HW v1.x).
For information on additional changes, please see the Data Sheet’s Revision History. For a technical bulletin comparing CFA633 modules by version number, see PCN 10291 at https://www.crystalfontz.com/news/pcn.php?id=10291 published 2010/11/10.
- text_snippet
Part Change Notice #10291: Technical Bulletin TB01: Comparison of CFA533 and CFA633 Modules by Version Number
Products Affected: CFA633-YYB-KS, CFA633-TMC-KS, CFA633-YYB-KU, CFA633-TMC-KU, CFA633-RMC-KU, CFA533-YYH-KS, CFA533-YYH-KU, CFA533-TMI-KS, CFA533-TMI-KU, CFA533-YYH-KL, CFA533-TMI-KL, CFA533-YYH-KC, CFA533-TMI-KC, CFA533-YYH-KI, CFA633-YYH-KS, CFA633-TMI-KS, CFA633-YYH-KU, CFA633-TMI-KU, CFA633-RDI-KU, CFA633-RDI-KS Date Issued: November 10, 2010 Summary: Technical Bulletin TB01: Comparison of CFA533 and CFA633 Modules by Version Number Description: The attached PDF file describes differences between our CFA633 v1.5x and CFA633 v2.0 intelligent display module series. We also list the CFA533 series as a comparison for customers who do not require the fan control available in the CFA633 series. Hardware version numbers are silk screened on the back of the PCBs.
Additional information can be found in supporting documents for PCN:
https://www.crystalfontz.com/products/document/2371/CFA633_v1-5a_to_v1-5c_changes.pdf
https://www.crystalfontz.com/products/pcnfile/10286/PCN_CFA633_2-0.pdfReason: Clarify the differences between the different modules. Impact: None. Attachment: TB01_Comparison_of_CFA533_and_CFA633_Modules.pdf (86KB)
