Dear Alan, I am not speaking about the 'Max Transfers' instead I am talking about the MAX bottom most row. I did not understand how is max bandwidth jumped to 187500 value. Please see the row containing the following fields:
Bandwidth Bytes/Frame (Usefull data) Max 187500 187 Regards, Mukund Jampala >-----Original Message----- >From: Alan Stern [mailto:[EMAIL PROTECTED] >Sent: Monday, February 27, 2006 8:50 PM >To: Mukund JB. >Cc: [EMAIL PROTECTED]; Randy.Dunlap >Subject: Re: Analyse the USB Control tranfer limits Table please.. > >On Mon, 27 Feb 2006, Mukund JB. wrote: > >> Dear All, >> >> I am trying to design a USB stack of my own and I am writing for my own >> Real time OS. >> >> I have read through the USB 2.0 Specifications and am not able to >> understand the last row i.e "MAX" row in the low-speed control transfer >> Limits table. (Table 5.1) >> >> I understand it suggests that it supports (187500*8) = 1.5Mb/s data >> rate. >> In that case what are the values of 'Data payload' and 'Max Transfers'? >> >> I will derive the rest of then based on this answer. > >Didn't you see my previous email about this? > >http://marc.theaimsgroup.com/?l=linux-usb-devel&m=114019267711808&w=2 > >Data payload is the number of data bytes you want to send in the control >transfer. > >Max transfers is the maximum number of such transfers that can fit in a >single frame. > >Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid0944&bid$1720&dat1642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel