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Original question:

AWR1243BOOST: HostINT of AWR1243BOOST seems to be pulled up by default

AWR1243BOOST: HostINT of AWR1243 seems to be pulled up by default?

Dan Jia
Intellectual 480 points
Part Number: AWR1243BOOST
Other Parts Discussed in Thread: AWR1243

board : 4AWR1243 (AWRx Cascaded Radar RF Evaluation Module)+ARM MCU ,Connection between External Processor MCU  and master AWR1243 .

SPI_CLK_1 SPI_CS_1 MOSI_1  MISO_1   SOP Control:  functional mode, as TDO =1, SYNC_OUT = 0, PMIC_CLKOUT = 0

NRESET:

mmwave-example-nonos is running in MCU  ,using the functional SOP mode, so SOP 2/1  0V , SOP 0  3.3V before the nRST goes high.

but HostINT of AWR1243  is always high?

  • 0
    TI__Genius 13675 points

    Hi,

               by Default the HOSTINTR is pulled down(weak) in the hardware. The HOST needs to pull it up during ongoing communication. Can you please confirm if some SPI activity(CLK , data) is also happening while you scope HOSTINTR?

    regards

  • 0 in reply to Abhed Misra
    Intellectual 480 points

    HI,we have solved this problem and got ACK from AWR1243,it goes well untill  Sensorstart commond, 

       mmwl_bSensorStarted = 0U;
        retVal = rlSensorStart(deviceMap);
    #ifndef ENABLE_TEST_SOURCE
        if ((rfDevCfg.aeControl & 0x1) == 0x0)
        {
            while (mmwl_bSensorStarted == 0U)
            {
                osiSleep(1); /*Sleep 1 msec*/
                timeOutCnt++;
                if (timeOutCnt > MMWL_API_RF_INIT_TIMEOUT)
                {
                    retVal = RL_RET_CODE_RESP_TIMEOUT;
                    break;
                }
            }
        }
    I can't got a mmwl_bSensorStarted  ACK?please help me what's the probelm，PS： AWR1243 CSI2  lane is not connected with MCU.