Difference between revisions of "LinuxLibre:ISDB USB ZINWELL"
From LibrePlanet
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| − | We | + | We have some experimental code available [http://lucasvr.gobolinux.org/projects/trunk/zinwell/ on subversion]. |
Revision as of 08:53, 27 May 2010
It is a Digital TV receiver (USB dongle) manufactured by Zinwell Inc. and sold in Brazil by IBAYO. It is compliant with the ISDB-T 1Seg DTV standard (japanese standard adopted in Brazil).
device ID: 5a57:4210 Zinwell
It is very similar to this reference design from Somagic: http://www.somagic.cn/english/product_info.asp?id=57
Contents
photos of the device board
- http://www.lucasvr.gobolinux.org/etc/zinwell-up.jpg
- http://www.lucasvr.gobolinux.org/etc/zinwell-down.jpg
ICs used in the device board
Somagic SMI-2020CBE
http://www.somagic-hz.com/product_info.asp?id=60
- Unknown microcontroller
- SPI and I2C interfaces for controling an external tuner and modulator
- USB interface (used to communicate with the PC)
Maxim MAX2163
- Tuner
- Controlled through configuration/status registers accessible at I2C address 0xc0 (write) and 0xc1 (read)
- Datasheet available here
MA50159
demodulator
Who is working on a free firmware implementation?
- Felipe Sanches
- Lucas Villa Real
We have some experimental code available on subversion.
