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NRF9160-SIBA-R Datasheet(PDF) 76 Page - Nordic Semiconductor |
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NRF9160-SIBA-R Datasheet(HTML) 76 Page - Nordic Semiconductor |
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76 / 400 page ![]() Power and clock management Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID B A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ID R/W Field Value ID Value Description A R SRC Active clock source HFINT 0 HFINT - 64 MHz on-chip oscillator HFXO 1 HFXO - 64 MHz clock derived from external 32 MHz crystal oscillator B R STATE HFCLK state NotRunning 0 HFXO has not been started or HFCLKSTOP task has been triggered Running 1 HFXO has been started (HFCLKSTARTED event has been generated) 5.3.2.1.19 LFCLKRUN Address offset: 0x414 Status indicating that LFCLKSTART task has been triggered Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ID R/W Field Value ID Value Description A R STATUS LFCLKSTART task triggered or not NotTriggered 0 Task not triggered Triggered 1 Task triggered 5.3.2.1.20 LFCLKSTAT Address offset: 0x418 The register shows which LFCLK source has been requested (SRC) when triggering LFCLKSTART task and if the source has been started (STATE) Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID B A A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ID R/W Field Value ID Value Description A R SRC Active clock source RFU 0 Reserved for future use LFRC 1 32.768 kHz RC oscillator LFXO 2 32.768 kHz crystal oscillator B R STATE LFCLK state NotRunning 0 Requested LFCLK source has not been started or LFCLKSTOP task has been triggered Running 1 Requested LFCLK source has been started (LFCLKSTARTED event has been generated) 5.3.2.1.21 LFCLKSRCCOPY Address offset: 0x41C Copy of LFCLKSRC register, set after LFCLKSTART task has been triggered 4418_1315 v2.0 76 |
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