Re: [usb] usb clarifications

[Ravi Kumar <ravikumar_vlsi@yahoo.co.in>]

hi folks,
It is mentioned in usb 1.1 spec 

'the data payload during isochoronous transfer is 1023
bytes during each frame '

if i connect nearly 5 isochronous device to undertake
transaction .
how the bandwidth wil be allocated ?

a)for each device 1023/5(Five isochronous usb devices)
 = 204 bytes wil be alocated in each frame

or 

b)each device  will take unique frame to tranfer its
data content , therefore consuming 5 frames .

pls clarify 
Regards
Ravikumar


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