A20-SOM-EVB (Olimex) REFERENCE DESIGN FOR A20-SOM ON 2 LAYER BOARD

https://www.olimex.com/Products/SOM/A20/A20-SOM-EVB/open-source-hardware

Description

A20-SOM-EVB is a reference design of a 2-layer board for A20-SOM. It expands the features of A20-SOM by adding VGA connector, HDMI connector, audio In/Out, LCD connector, 2 Mpix camera, gigabit Ethernet, SATA, USB-OTG and 2 USB hosts. The hardware sources are available as Eagle CAD files, so everyone can modify and tailor according to his needs. The board's hardware design is open source and available as Eagle CAD files, so everyone can modify and tailor it according to the specific needs. Templates for A20-SOM-EVB receiptacle are available for Eagle and KiCAD.

FEATURES

• Includes A20-SOM-4GB
• A20-SOM(-4GB) matching connectors
• Power barrel jack, +6V to +16V DC
• VGA output with a connector
• HDMI output with a connector
• LCD output on a row-of-pins
• Gigabit interface with a connector
• Camera 2 Mpix
• 2 × UEXT connectors
• SATA connector and SATA power connector
• USB-OTG with power control and current limiter
• LiPo Battery connector with battery-charging capabilities
• Microphone input and headphones output with connectors
• Android 7 buttons
• SD-MMC connector
• UART0 connector for console debug
• 5 GPIO connectors × 40 pin at 0.1" step
• Status LEDs
• 4 × M3 × 8mm screws and 4 × M3 × 6mm metal spacers
• Dimensions of the SOM part: (3200×2200)mil ~ (55.88×81.28)mm
• Dimensions of the EVB part: (5300×4050)mil ~ (134.62×102.87)mm