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Olimex A20-SOM-EVB

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Reference Design Board for A20 SOM
Homepage Product page
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Incompatible
Platform
BrandModelRev Olimex A20-SOM-EVB Rev B
Type single-board computer
CPU1 checkY Allwinner A20
CPU1 Type ARMv7-A Cortex-A7
CPU1 Speed 1.0 GHz ( 2 cores )
Flash1 Chip SK hynix H27UBG8T2BTR-BC
Flash1 Size 4 GiB 4,096 MiB <br />4,294,967,296 B <br />33,554,432 Kib <br />4,194,304 KiB <br />32,768 Mib <br />
RAM1 Size 1 GiB 1,024 MiB <br />1,073,741,824 B <br />8,388,608 Kib <br />1,048,576 KiB <br />8,192 Mib <br />
RAM1 Chip SK hynix H5TQ4G63AFR-PBC x 2
ETH chip1 Allwinner A20
ETH chip2 Realtek RTL8211CL
Ethernet Port Count 1-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab
Stock bootloader U-Boot 2021.04
Stock FW OS Linux 5.10.180 Debian 11
Expansion IF types USB 2.0, USB 2.0 (OTG), SATA, SD Card slot, Micro SD Card slot
USB ports 3
SD/MMC Slots 2
SATA Ports 1
USB Hub Compatible Untested
Power 6-16 VDC, 3 A
Connector type barrel
5.5 mm (OD)
2.1 mm (ID)
9.5 mm (LEN)
Serial Port (UART) yes, 3-pin header, populated, 3.3V TTL, (115200 8N1)
Flags:
HDMI, VGA out, LCD, Camera 2MP, Audio in (3.5mm), Audio out (3.5mm), SD Card slot, Micro SD Card slot, Li-Po battery connector, UEXT, GPIO

Additional chips
PMIC;X-Powers Limited;AXP209;;1;
2A 18V Synchronous Rectified Step-Down Converter;Monolithic Power Systems;MP1482DS;;1;

Retail
(Est.) release date June 2013
Country of manuf Bulgaria
 CPU1 brandFLA1RAM1
Olimex A20-SOMAllwinner4,096 MiB4,294,967,296 B <br />33,554,432 Kib <br />4,194,304 KiB <br />32,768 Mib <br />4 GiB <br />1,024 MiB1,073,741,824 B <br />8,388,608 Kib <br />1,048,576 KiB <br />8,192 Mib <br />1 GiB <br />
Olimex A20-SOM-EVBAllwinner4,096 MiB4,294,967,296 B <br />33,554,432 Kib <br />4,194,304 KiB <br />32,768 Mib <br />4 GiB <br />1,024 MiB1,073,741,824 B <br />8,388,608 Kib <br />1,048,576 KiB <br />8,192 Mib <br />1 GiB <br />

For a list of all currently documented Allwinner SoC's with specifications, see Allwinner.
For a list of all currently documented Realtek chipsets with specifications, see Realtek.

For a list of all currently documented Olimex devices with specifications, see Olimex.

Overview

Hardware specification

SoC: Dual-Core ARM (Cortex-A7)
GPU: Mali-400
  • Memory: 1GB (DDR3) SDRAM (Micron)
  • Storage: 4GB (NAND) flash (SK hynix),
TF card (max.64GB)/MMC card slot,
SD/SDHC/MMC card slot, SATA port
  • Network: 1x GbE port (RTL8211CL)
  • USB: 1x USB 2.0 (OTG), 2x USB 2.0 ports
  • GPIO: 2x UEXT headers, additional GPIO pins
  • Power Source: 6-16V/3A via barrel or
3.7V LiPo battery or 5V via USB OTG

Links of Interest

Pictures

User Images

See also

Olimex ProductsOlimex Devices
Olimex OLinuXino-MICRO (iMX233)
Olimex OLinuXino-MINI (iMX233)
Olimex OLinuXino-NANO (iMX233)
Olimex A10s-OLinuXino-Micro
Olimex A13-OLinuXino-Micro
Olimex A13-OLinuXino WIFI
Olimex A20-OLinuXino-Lime2
Olimex A20 MICRO 8GB
Olimex A20-SOM204