[linux-dvb] Twinhan(chip 878) performance

Denys Fedoryshchenko nuclearcat at nuclearcat.com
Sat Jul 2 21:28:12 CEST 2005


Jukka Tastula wrote:

>On Saturday 02 July 2005 04:52, Denys Fedoryshchenko wrote:
>  
>
>>I have read about Fusion / BT878 chip, and found that I2S bus can
>>process only 40Mbps. This means transponders with stream rate higher
>>than 40Mbps cannot be received? Or i am wrong?
>>    
>>
>
>I'm wrong too or the data sheet's use of "Mbps" is wrong. Look at section 
>1.2.8 PCI Bus Interface. It says that the PCI bus is 132Mbps and that full 
>size 768x576 PAL RGB32 is 44Mbps ... huh?
>
>Is that megabytes or megabits now?-)
>
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>  
>
As i know... MBps - Bytes, and Mbps - bits... but who knows what is used 
in datasheets... (and there is also Mebibits and etc.)
Complete chaos :(  




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