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???
07/19/07 17:11
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#142042 - This shows you how to use the HW SPI
Responding to: ???'s previous message
Just look at this Keil example:
Keil said:
AT89S8252, AT89S53 SPI Example Program
This example program shows how to configure and use the SPI in master mode for the following microcontrollers:

ATMEL AT89S53
ATMEL AT89S8252
To run this program...

Choose your target
Build the project (Project Menu, Build Target)
Start the debugger (Debug Menu, Start/Stop Debug Session)
View the Serial Window (View Menu, Serial Window #1)
View the SPI peripheral (Peripheral Menu, SPI)
View the Port 1 (Peripheral Menu, I/O Port)
Display the memory area X:0x700000
Run the program (Debug Menu, Go)
A debug script (SPI_AT250X0.ini) includes debugger signal functions that simulate an Atmel AT250X0 SPI memory device. This device is simulated using a simple state machine implemented with switch statements.

See: http://www.keil.com/download/docs/226.asp


Bernd Nollmeyer said:
Show me how to use the HW SPI in case of the ENC, you have DIN, DOUT, CLK

And the memories in that example have 3 pins: SI, SO, and SCK - equivalent to the ENC's DIN, DOUT, and CLK !

List of 25 messages in thread
TopicAuthorDate
AT89S52 and ENC28J60            01/01/70 00:00      
   Principles - again            01/01/70 00:00      
   Yes, I'm using the ENC28J60            01/01/70 00:00      
   AT89S52 and ENC28J60 schematic first            01/01/70 00:00      
      what kind of schematic            01/01/70 00:00      
         So there is no need to drive a car            01/01/70 00:00      
   you should do what you want to do            01/01/70 00:00      
      echoes of Mr. Ludd            01/01/70 00:00      
         who is Mr. Ludd ?            01/01/70 00:00      
            your ancestor            01/01/70 00:00      
               yes, thats why Ben is still using an AT89S52            01/01/70 00:00      
                  HUH            01/01/70 00:00      
            Is that true??            01/01/70 00:00      
         Speed?            01/01/70 00:00      
            for a while            01/01/70 00:00      
      Why would you not use it??            01/01/70 00:00      
      This shows you how to use the HW SPI            01/01/70 00:00      
   have a look here            01/01/70 00:00      
      Both of which do use the HW SPI!            01/01/70 00:00      
         get it            01/01/70 00:00      
   SPI port at AT89S52 with ENC28J60            01/01/70 00:00      
      HW SPI in AT89Sxxx?            01/01/70 00:00      
         HW SPI in AT89SXX            01/01/70 00:00      
            Ethernet connector with filters            01/01/70 00:00      
               The answer is in the link            01/01/70 00:00      

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