Product information:
http://www.shooting.com.hk/product_d...tg_id=&pID=478

Does this toy have a generic 64-bit driver? Chip has the name 8GL5 ...


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Man-wai Chang ToDie (33.6k) wrote:
> Product information:
> http://www.shooting.com.hk/product_d...tg_id=&pID=478
>
>
> Does this toy have a generic 64-bit driver? Chip has the name 8GL5 ...
>
>

The 8GL5 is not the only chip in the design. It is one of multiple
chips.

LGS-8GL5 GB20600-2006 Demodulator
http://www.legendsilicon.com/?t=2&m=3&v=,6

This drawing shows the basic concept. The chip on the left is
the tuner. The middle chip is the demodulator. It demodulates
the baseband signal (differential I/Q) to an MPEG2 stream. The
third chip, is a USB2 controller. It has two ports. One
port carries the MPEG2 stream, to be DMA transferred into system
memory (as USB2 packets). The other interface is a serial control
bus (SDA,SCL) which is used to program the components.

http://www.maxim-ic.com/images/appno.../4174Fig02.pdf

For example, to change channels, the USB2 chip loads the registers
on the tuner chip, with the frequency to be synthesized. The
demodulator may need to be programmed as well, according to
the modulation scheme being used on that channel.

So the driver is not likely to be perfectly generic. The driver
needs to know the I2C address map, and also know the registers
of the various chips. There could even be an IR input port on
the stick, for usage with a remote control, which would be another
device to connect to the serial control bus.

There seem to be multiple suppliers of DMB-TH tuner
sticks, so keep looking until you find one with a
64 bit driver. I tried KWorld, but their driver looks
to be 32 bit.

I was not able to find the MIX web site, to look for
drivers.

Paul

> There seem to be multiple suppliers of DMB-TH tuner
> sticks, so keep looking until you find one with a
> 64 bit driver. I tried KWorld, but their driver looks
> to be 32 bit.
>
> I was not able to find the MIX web site, to look for
> drivers.

Don't wanna be burnt again. I will wait till 2012 before
buying another DMB-TH tuner.

I wonder whether HK government would buy the poor (those
who're getting social security) HDTV set-top boxes
since traditional TV tuners cannot function by 2012 when
all TV broadcasting go digital....

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> Don't wanna be burnt again. I will wait till 2012 before
> buying another DMB-TH tuner.

.... lost HK$330 this burn....

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