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[usb] USB 1.1 questions

To: <usb@opencores.org>
Subject: [usb] USB 1.1 questions
From: "Vivek Kangralkar" <vivek.kangralkar@ittiam.com>
Date: Wed, 26 Jun 2002 10:34:25 +0530
Reply-To: usb@opencores.org
Sender: owner-usb@opencores.org
Thread-Index: AcIczvEboWX4PGWJRZ2Nu8K1jDbrJA==
Thread-Topic: USB 1.1 questions

Hi,
I am very new to USB. I am reading USB 1.1 specs from www.usb.org. 
i have a basic question.

if i am using USB 1.1 & if i want to transfer data to/from device, do i need to take care of USB CRC, ACK, NAK, STALL etc? or USB itself will take care of it?
do i need to implement CRC algorithms while writing device driver?

waiting for answers,
Vivek
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