Description
It’s a mini HDMI decoder board! So small and simple, you can use this board as an all-in-one display driver for TTL displays, or perhaps decoding HDMI/DVI video for some other project. This breakout features the TFP401 for decoding video, and for the touch version, an AR1100 USB resistive touch screen driver.
The TFP401 is a beefy DVI/HDMI decoder from TI. It can take unencrypted video and pipe out the raw 24-bit color pixel data – HDCP not supported! It will decode any resolution from 25-165MHz pixel clock, basically up to 1080p.
You can power the display and decoder from a USB port. For example, with a 5″ 800×480 display and 50mA backlight current, the current draw is 500mA total. You can reduce that down to 370mA by running the backlight at half-brightness (25mA). With the backlight off, the decoder and display itself draws 250mA. For more backlight control, there’s a PWM input for dimming.
This is the version with touch! Pair it with a screen that has a resistive touch overlay. The USB port acts as both power and data, with the touch screen appearing like a USB mouse. Tested on Mac, Windows, and Debian Linux.
The driver is designed for our 40-pin TTL displays, perfect for single board computers with HDMI output like Raspberry Pi or BeagleBone Black. It supports 4.3″, 5″, or 7″ displays, but 5″ or 7″ 800×480 are recommended.
The board ships with an 800×480 EDID for auto-detection; it can be reprogrammed for advanced users.
This is just a decoder breakout; a display is not included! Recommended compatible displays: 5″ with touch or 7″ with touch.
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