Olimex A20-SOM-EVB
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| Reference Design Board for A20 SOM | |||||||||||||
| Homepage | Product page | ||||||||||||
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| 3rd Party Firmware | |||||||||||||
| dd-wrt | Status Unknown | ||||||||||||
| OpenWrt | Status Unknown | ||||||||||||
| Tomato any flavor | Incompatible | ||||||||||||
| Platform | |||||||||||||
| Brand • Model • Rev | Olimex A20-SOM-EVB Rev B | ||||||||||||
| Type | single-board computer | ||||||||||||
| CPU1 | 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 | ||||||||||||
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| 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) | ||||||||||||
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Flags: | |||||||||||||
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Additional chips | |||||||||||||
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| Retail | |||||||||||||
| (Est.) release date | June 2013 | ||||||||||||
| Country of manuf | Bulgaria | ||||||||||||
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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
- CPU: Allwinner A20 2x @1.0GHz
- SoC: Dual-Core ARM (Cortex-A7)
- GPU: Mali-400
- 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
- Olimex A20-OLinuXino Prototype, AllWinner A20 SoM on CNX|Software
- Olimex A20-OLinuXino-Micro on Linux-SunXi Wiki