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Forum Post: DS1248 EVM and SPI problem

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Hello,

I am using DS 1248 EVM board and trying to receive some data through SPI. 

I am using PIC18f97j94 controller as master.

I am writing following sequence to receive at least some data from the DS 1248 board , in order to initialize some project. I am writing following sequence to the SPI.

0x01  //Wakeup

1 second delay

0x42;   // Write to Reg - MUX1

0x23; // TEMP sensor selected

0x14; // READ Continously
0xFF; // NOP
0xFF; // NOP
0xFF; // NOP

But I can not see any data from the EVM board.

I am controlling Chip Select signal from master. And I can also see DRDY signal toggelling on the logic analyzer but still dont see any data from the DS 1248 on the Dout line.

Please give me some suggestion to solve this problem.


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