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Discussion Groups | Analog Devices DSPs | flash memory to ADSP-21065L

Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).

  

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flash memory to ADSP-21065L - "Allia Donna D. Go" - Jun 26 11:21:27 2007



Hi!

I'm planning to use a flash drive for memory expansion of ADSP-21065L.
To interface this (flash drive) to the DSP board, I will use a USB
female port to 9 pin female serial port connector. The 9 pin female
serial port is to be connected to the EMAFE of the DSP board and the
USB female port to the flash drive. 

How can I connect the USB port to the serial port? Will that be a
simple pin to pin connections? Also, how can I interface the serial
port to the EMAFE of the DSP board?

Any help would be much appreciated.


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Re: flash memory to ADSP-21065L - Mike Rosing - Jun 26 14:18:44 2007

Howdy Allia,

If it's really USB to RS232 serial, then get a USB to serial adaptor like
the CP-US-03.  I don't know what the EMAFE is, so I can't help you there.

USB is a complicated pain in the butt, the signalling is far different
than the signalling on an RS232 line.  You can't just connect them.

Patience, persistence, truth,
Dr. mike

On Tue, 26 Jun 2007, Allia Donna D. Go wrote:

> Hi!
>
> I'm planning to use a flash drive for memory expansion of ADSP-21065L.
> To interface this (flash drive) to the DSP board, I will use a USB
> female port to 9 pin female serial port connector. The 9 pin female
> serial port is to be connected to the EMAFE of the DSP board and the
> USB female port to the flash drive.
>
> How can I connect the USB port to the serial port? Will that be a
> simple pin to pin connections? Also, how can I interface the serial
> port to the EMAFE of the DSP board?
>
> Any help would be much appreciated.
>


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Re: flash memory to ADSP-21065L - Samuel - Jun 26 14:18:58 2007

Allia Donna D. Go wrote:
> Hi!
> 
> I'm planning to use a flash drive for memory expansion of ADSP-21065L.
> To interface this (flash drive) to the DSP board, I will use a USB
> female port to 9 pin female serial port connector. The 9 pin female
> serial port is to be connected to the EMAFE of the DSP board and the
> USB female port to the flash drive. 
> 
> How can I connect the USB port to the serial port? Will that be a
> simple pin to pin connections? Also, how can I interface the serial
> port to the EMAFE of the DSP board?
> 
> Any help would be much appreciated.
>  

Hi!

There is a USB gamepad project [1] that maybe can be useful to you. It
uses a serial port connected directly to a usb port, performing a usb
controller by software. You can find some useful things and
specifications in [2].

Regards,
Samuel

[1] - http://www.raphnet.net/electronique/snes_nes_usb/index_en.php
[2] - http://usb.org


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