The single chip embedded Linux boardDesigned by petit_miner, Ships from Germany
What is it? Blueberry PI Another fruit single board computer (SBC), based on the Allwinner V3s system on a chip (SoC). The Allwinner V3s comes in an easy to solder 128pin TQFP package. Processor...Read More…
Another fruit single board computer (SBC), based on the Allwinner V3s system on a chip (SoC).
The Allwinner V3s comes in an easy to solder 128pin TQFP package.
SD / MMC Interface
up to two PWM channels
up to 24 MHz output frequency
Still capture resolution up to 5M with parallel interface
Video capture resolution up to 1080p @ 30fps with parallel interface
two audio DAC channels
one differential microphone input
one stereo headphone output
one low-noise analog microphone bias output
One USB 2.0 OTG controller with integrated PHY
Support High-speed, Full-speed and Low-speed in host-mode
Integrated an internal 10/100M PHY
support full-duplex and half-duplex operation
Full-duplex synchronous serial interface
Master / slave configurable
Mode 0-3 are supported
up to two I²C controller
support Standard and Fast mode
The Blueberry PI features:
The Blueberry PI comes fully assembled, except for the SPI Flash and the NS2009 touch IC. You will have to get them on your own.
The Blueberry PI can boot from an SD card or SPI Flash. Since the V3s doesn't have a standard video output, I'm planning on creating a video addon board which provides VGA or HDMI. In combination with the ADV7611 it is possible to capture HDMI.
Almost all of the interfaces of the V3s are supported in mainline U-boot and mainline Linux kernel. Have a look at my repository on Github or have a look at the Linux mainlining effort at sunxi.
The V3s is one of the only SOCs which have built-in RAM (64 MB) and built-in Ethernet. In order to get the V3s up and running you basically only need a SD-card holder, one 24Mhz cyrstal, a 32kHz watch cyrstal and some passive components. The V3s needs 4 voltage rails: 3,3V; 3V; 1,8V and 1,2V. So it is very easy to embed the V3s in your custom project.
As you can see in the photos the footprint of the USB Host isn't correct and was patched with wires. The reset line of the OV7670 camera is wrongly connected to GND, it needs to be connected to VCC (3,3V).
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I'm studying electrical engineering at HBRS Sankt Augustin.