Difference between revisions of "LinuxLibre:ISDB USB ZINWELL"
From LibrePlanet
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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). | 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). | ||
| − | 5a57:4210 Zinwell | + | 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 | It is very similar to this reference design from Somagic: http://www.somagic.cn/english/product_info.asp?id=57 | ||
Revision as of 07:43, 11 March 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 1100000
- Exact datasheet not available but must be similar to MAX2160
MA50159
demodulator
Who is working on a free firmware implementation?
- Felipe Sanches
- Lucas Villa Real
We are not writing code yet. We need to discover the MCU architecture first. But we are actively trying to figure out info about this device and we have one of these in hands to make some tests.
