Description CM-A20 is System on Chip module, which contains Allwinner A20 Dual Core Cortex-A7 processor, Power managment Unit AXP209, Ethernet PHY LAN8710A, 1GB DDR3 memory and 8GB NAND Flash. All Allwinner A20 signals are available on 2 connectors x 100 pin and 1 connector x 40 pin with 1.27mm picth. Features * SoC – AllWinner A20 ARM Cortex A7 Dual-Core CPU @ 1GHz + Mali-400 GPU * System Memory – 1GB DDR3 DRAM, up to 2GB DDR3 DRAM @ 480Mhz * Storage – 8GB Nand Flash * Ethernet – 10/100 Mbps * Connector - 2 connectors x 100pin, 1 connector x 40pin(No welding) * Size - 70 x 50mm Features * 1GB DDR3 SDRAM & 2GB DDR3 SDRAM * TX indicator LED use for debug * Power Management Unit - AXP209 * 8GB Nand Flash & eMMC FLASH * Power Indicator LED * Allwinner A20 ARM Cortex A7 Dual-Core @ 1Ghz + Mali-400 GPU * 10/100M Ethernet PHY - LAN8710A * J1, expansion 50x2 pin 1.27MM * J3, expansion 20x2 pin 1.27MM * J2, expansion 50x2 pin 1.27MM Package content * CM-A20 Documents * CM-A10&A20-V2SCH * SOM-A10&A20SCH for more information, you can visit marsboard.com https://elecena.pl/product/5231575/marsboard-cm-a20 2015-07-07 https://elecena.pl/product/5231575/marsboard-cm-a20 2015-09-16