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Single-board computer

Small form factor

Toradex’ (Switzerland) Viola carrier board is compatible with the Colibri ARM family of computer-on-modules. It comes with the smallest form factor among the Colibri carrier boards.

The carrier board offers an external real-time clock with battery backup (Photo: Toradex)

MEASURING 74 MM x 74 MM AT AND AVAILABLE AT €16, Viola is one of the smallest, lowest cost single-board computer equivalent solutions on the market. Sharing a similar feature set to the Raspberry Pi and Beagle Board, the board is targeted at the embedded and industrial markets with long lifetime, availability, and support. This carrier board is not intended for evaluation purpose, as offering debug and development environment increases the bill of materials costs.

The carrier board supports interfaces provided by the Colibri modules, using a combination of real-world connectors, card slots, and 2,54 mm pitch pin headers. CAN is among these interfaces. Communication interfaces also include USB 2.0 host and 100 Mbit Ethernet. Support for industrial interfaces including I2C, SPI, UART, and GPIO makes the carrier board suited for industrial and embedded applications. Support for LCD panels and touch interfaces is provided through the Unified Interface Display.

For development and evaluation projects on Colibri modules, it is advisable to use the Colibri Evaluation Board or Iris Carrier Board. The board is designed to be used with the Colibri T20 and T30 (based on NVIDIA Tegra 2/Tegra 3 SoCs), the Colibri VF50 and VF61 (based on Freescale Vybrid VF50 and VF61 SoCs), and the Colibri iMX6 (based on the Freescale i.MX 6 SoCs) Computer-on-modules.

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