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LLCC68 データシート(PDF) 80 Page - Semtech Corporation |
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LLCC68 データシート(HTML) 80 Page - Semtech Corporation |
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80 / 111 page  LLCC68 Data Sheet Rev. 1.1 DS.LLCC68.W.APP Dec 2024 80 of 111 Semtech LLCC68 www.semtech.com 13.3.5 SetDIO2AsRfSwitchCtrl This command is used to configure DIO2 so that it can be used to control an external RF switch. When controlling the external RX switch, the pin DIO2 toggles accordingly to the internal state machine. DIO2 is asserted high a few microseconds before the ramp-up of the PA and is set to zero after the ramp-down of the PA. The enable byte definition is given as follows: Table 13-32: SetDIO2AsRfSwitchCtrl SPI Transaction Byte 0 1 Data from host Opcode = 0x9D enable Table 13-33: Enable Configuration Definition Enable Description 0 DIO2 is free to be used as an IRQ 1 DIO2 is selected to be used to control an RF switch. In this case: DIO2 = 0 in SLEEP, STDBY_RX, STDBY_XOSC, FS and RX modes, DIO2 = 1 in TX mode |
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