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SI4320-J1-FTR Datasheet(PDF) 7 Page - Silicon Laboratories |
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SI4320-J1-FTR Datasheet(HTML) 7 Page - Silicon Laboratories |
7 / 15 page 400 West Cesar Chavez, Austin, TX 78701 (512) 416-8500 FAX (512) 416-9669 www.silabs.com for(delay=0;delay<10000;delay++); } //SW reset SpiWriteRegister(0x07, 0x80); //write 0x80 to the Operating & Function Control1 register //wait for POR interrupt from the radio (while the nIRQ pin is high) while ( NIRQ == 1); //read interrupt status registers to clear the interrupt flags and release NIRQ pin ItStatus1 = SpiReadRegister(0x03); //read the Interrupt Status1 register ItStatus2 = SpiReadRegister(0x04); //read the Interrupt Status2 register //wait for chip ready interrupt from the radio (while the nIRQ pin is high) while ( NIRQ == 1); //read interrupt status registers to clear the interrupt flags and release NIRQ pin ItStatus1 = SpiReadRegister(0x03); //read the Interrupt Status1 register ItStatus2 = SpiReadRegister(0x04); //read the Interrupt Status2 register // Setup Wake Up Timer to wake up every 1/2 second SpiWriteRegister(0x14, 0x00); SpiWriteRegister(0x15, 0x10); SpiWriteRegister(0x16, 0x00); // Setup Low Duty Cycle ON Period SpiWriteRegister(0x19, 0x01); // Set LBDT (Low Battery Detect) Threshold SpiWriteRegister(0x1A, 0x14); // Store LBDT for comparison with Battery Voltage Register LBDT = SpiReadRegister(0x1A); //Write Interrupt Enable Registers, SpiWriteRegister(0x05, 0x00); //write 0x00 to the Interrupt Enable 1 register SpiWriteRegister(0x06, 0x04); //write 0x04 to the Interrupt Enable 2 register // Delay |
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