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12/26/00 22:20
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#7528 - IDE Command timing...
Hello again =)

Ive build a test board to interface my
microcontroller with an IDE-ATA device
(currently a big fat slow cdrom drive)

But im not sure if ive got the timing
of the DIOW/DIOR (Device IO Write/Read)correct.
If im correct, these are the strobing
lines to strobe the data/commands in and out.

Is my sequence correct(?):

(reading from IDE device)
1. Setup DA0..DA2
2. Setup CS0, CS1
3. Strobe DIOR
4. Read Command/Data

Do i have to READ the value from the
IDE device while DIOR is still high?

Thanks in advance.




List of 14 messages in thread
TopicAuthorDate
IDE Command timing...            01/01/70 00:00      
   ide            01/01/70 00:00      
      RE: ide            01/01/70 00:00      
RE: IDE Command timing...            01/01/70 00:00      
RE: Michael Schmitt            01/01/70 00:00      
RE: Michael Schmitt            01/01/70 00:00      
RE: Michael Schmitt            01/01/70 00:00      
RE: Michael Schmitt            01/01/70 00:00      
RE: Michael Schmitt            01/01/70 00:00      
To: Alexander Adi Wijaya            01/01/70 00:00      
RE: IDE Command timing...            01/01/70 00:00      
Easy RS232 toward I2C conversion.            01/01/70 00:00      
   RE: Easy RS232 toward I2C conversion.            01/01/70 00:00      
      RE: Easy RS232 toward I2C conversion.            01/01/70 00:00      

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