interfacing with usb without using a built in usb chip

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rchathuranga

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usb chip without the case

pls ,some one tell me how to connect analogue & digital i/p to pc via usb, and how to write the usb protocol for that application[/b]

Added after 16 minutes:

if you know somthing
(or anything) about it please be kind enough to let me know
 

It's not easy without Hardware
 
pigyong801 said:
It's not easy without Hardware
Click to expand...


hard ware need to be used , but the thing is there we are only allowed to use chips which don't have built in usb protocols
 

Hai

There are two options,

1. USB to RS232 (serial port)

2. Implementation of software USB

The second one is somewhat same as usb but with less dificulties

Reagards
Nandhu
 
nandhu015 said:
Hai

There are two options,

1. USB to RS232 (serial port)

2. Implementation of software USB

The second one is somewhat same as usb but with less dificulties

Reagards
Nandhu
Click to expand...

thank you Nandhu can you help me in the case, how can i implement software usb
 

Hai

I dont know what micro you are using.

If it is AVR then you try this

**broken link removed**

i think there is a site for PIC too
use google to find it

Regards
nandhu
 
nandhu015 said:
Hai

I dont know what micro you are using.

If it is AVR then you try this

**broken link removed**

i think there is a site for PIC too
use google to find it

Regards
nandhu
Click to expand...

thank you
i sent you a email describing my project
 

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