[LINUX] Preliminary research on Allwinner F1C100s / 200s
What is F1C100s / 200s?
Alliwinner's super cheap Soc. It has a built-in memory of 32M (F1C100s) or 64M (F1C200s). You can run Linux just by adding the following parts to it.
--EMMC chip or SD card as storage
- Power supply --I / O such as serial and USB --Capacitor
The F1C200s is available from AliExpress for around 3 to 400 yen, and the F1C100s and Taobao for around 100 yen.
(The price on the capture is in Chinese yuan, as of 2020/07/03 15-16 yen / yuan)
In the Makers area, it is common to make oleore boards based on Arduino. Making boards with ATMEGA32 chips is a great way to get started with Makers, both as a CAD experience and as a soldering experience. In the same way, with F1C100s / 200s, it will be possible to quickly make an oleore board that runs Linux.
Preliminary research to make a board.
Official page http://www.allwinnertech.com/index.php?c=product&a=index&id=74
Product comparison http://www.allwinnertech.com/index.php?c=product&a=index&pid=4
The above says eLQFP128, but the mistake of QFN88
Linux Sunxi (user community) https://linux-sunxi.org/Main_Page
Datasheet published on Linux Sunxi
- https://linux-sunxi.org/images/b/ba/F1C100s_Datasheet_V1.0.pdf
- https://linux-sunxi.org/images/1/11/Allwinner_F1C200s_Datasheet_V1.0.pdf
the difference
The F1C100s and F1C200s have the following differences.
| F1C100s | F1C200s | |
|---|---|---|
| On-chip memory | 32MB | 64MB |
| Video Playback | 720p | 1080p |
Example using F1C100S
- Sipeed Lichee Nano
Official page? http://nano.lichee.pro/ SwitchScience sales page https://www.switch-science.com/catalog/5705/ Circuit diagram, etc. https://dl.sipeed.com/LICHEE/Nano/HDK
@ sat0ken's article "Getting Started with Lichee Pi Nano" https://qiita.com/sat0ken/items/bdbe149c91349a892013
--Linux business card
Schematic https://www.thirtythreeforty.net/posts/2019/12/my-business-card-runs-linux/businesscard.pdf
- PocketGo
http://nuneno.cocolog-nifty.com/blog/2020/03/index.html
Allwinner
https://www.slideshare.net/shimadah/allwinneros-65719676 @shimadah's "Let's make an OS for Allwinner tablets (second part)"
--Allwinner and tablet makers are repeatedly violating the GPL
- http://linux-sunxi.org/GPL_Violations --Isn't Backdoor included in the vendor's Kernel? There is a story
- "Allwinner has also been accused of including a backdoor in its published version of the Linux kernel."
- https://en.wikipedia.org/wiki/Allwinner_Technology
So far, no GPL violations have been confirmed with the F1C100S / 200S.
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