The CFA835 family of modules are intelligent graphic LCDs. They offer an outstanding package: a display, six button keypad, GPIOs, LEDs, multiple interface choices and memory in an attractive stainless-steel bezel. The display on this module has a light background with dark blue font.
Buck-boost switching supply allows wide supply voltage range (3.3v to 5.0v)
CFA10052 Crystalfontz custom hardware
Separate switching LED brightness controllers for keypad and LCD backlights
6 button backlit fully decoded keypad
4 bi-color (red/green) LEDs
USB, RS232, Logic Level Serial interface
Multiple serial/SPI/I2C/CAN interfaces (depending on GPIO use)
Packet based communication with a 61-command set
Command include tools to draw lines, rectangles, and circles
12 o'clock viewing angle
microSD card slot
Up to 20 general purpose IO pins (GPIOs)
Operating Temperatures: -20 to 70°
Edge-lit backlight with 12 LEDs, 6 per side
Add one of two types of mountings brackets
Add CFA-FBSCABs to customize your order for temperature sensing and fan controls (up to 256 temperature sensors and 64 fans)
The CFA835 has versatile and reliable packet-based communications with a set of 61 commands that simplify programming. The commands include tools to draw lines, rectangles, and circles. This means putting graphs, tables, and charts on your display is simple. For example, create a chart to display temperature fluctuations over time.
The entire USB LCD module only needs a single power supply. The buck-boost switching supply means the module can operate on a wide power supply voltage range from +3.3v to +5.0v, making it perfect for embedded systems.
This module was made for the demands of a commercial environment. It's wide operating temperature range means this module keeps going in temperatures between -20°C and +70°C.
The fully decoded 6-button keypad allows any combination of key presses to be valid and unique. The keypad is backlit and the large translucent silicone keys are responsive.
The LCD backlight and contrast are adjustable. Both are fully voltage regulated over the power supply range. The LCD backlight comprises 12 LEDs edge lighting the LCD. The keypad LEDs are separately controllable.
As part of our continuous improvement program, the CFA735 and CFA835 series displays are being revised.
Components have been updated to ensure the long-term availability of the modules.
The LCD glass used has been changed to improve contrast.
Samples will be available in November 2018.
Last time buys of the current design may be made until January 2019.
Part Change Notice #10669: CFA635, CFA735, and CFA835 displays with ATX (power on / off / reset) functionality enabled serial cable bundle change.
CFA835-TML, CFA835-TFK, CFA835-YYK
July 29, 2015
CFA635, CFA735, and CFA835 displays with ATX (power on / off / reset) functionality enabled serial cable bundle change.
As part of our continuous improvement process, CFA635 KS, CFA735 KT, and CFA835 display modules with the ATX (power on / off / reset) functionality enabled will have their RS-232 SERIAL cable bundle options changed from a serial cable and WRPWRY24 to a serial cable and a WRPWRY25. With TX (power on / off / reset) functionality enabled, additional
The WRPWRY24 is a power only cable and suitable for powering the CFA635, CFA735, and CFA835 when properly configured. When the displays are configured for ATX (power on / off / reset) functionality additional connections are necessary for proper operation. The WRPWRY25 offers the additional connections.
Full functionality will now be available as the part is shipped.
There is no price change associated with this change.
Product Update #10582: (New Product) CFA835-TFK
February 3, 2014
(New Product) CFA835-TFK
Intelligent USB LCD Modules: USB+Serial Graphic LCD Module, Keypad, White LED Backlight, FSTN Positive, Transflective, -20°C to +70°C, 12:00.