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MMA8653FC read data error

Question asked by roy sit on Dec 3, 2013
Latest reply on Dec 4, 2013 by roy sit


     I set the ODR to 50HZ, and use INT1 ping to trigger a data read. Since my CPU can only set to use rising/falling edge interrupt. so I need to read data several time before INT1 pin go high. Everything go whell when I only read back data and return the interrupt quickly. But if I Insert a data calculate function in the interrupt service function the chip would  be  not ACK for I2C data read after server Interrupt.

    Is there something wrong?


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