| 전자부품 데이터시트 검색엔진 |
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NRF52810-QFAA-R 데이터시트(PDF) 91 Page - Nordic Semiconductor |
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NRF52810-QFAA-R 데이터시트(HTML) 91 Page - Nordic Semiconductor |
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91 / 483 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 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 RW Field Value Id Value Description A R SRC Source of LFCLK RC 0 32.768 kHz RC oscillator Xtal 1 32.768 kHz crystal oscillator Synth 2 32.768 kHz synthesized from HFCLK B R STATE LFCLK state NotRunning 0 LFCLK not running Running 1 LFCLK running 5.4.3.7 LFCLKSRCCOPY Address offset: 0x41C Copy of LFCLKSRC register, set when LFCLKSTART task was 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 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 RW Field Value Id Value Description A R SRC Clock source RC 0 32.768 kHz RC oscillator Xtal 1 32.768 kHz crystal oscillator Synth 2 32.768 kHz synthesized from HFCLK 5.4.3.8 LFCLKSRC Address offset: 0x518 Clock source for the LFCLK 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 C 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 RW Field Value Id Value Description A RW SRC Clock source RC 0 32.768 kHz RC oscillator Xtal 1 32.768 kHz crystal oscillator Synth 2 32.768 kHz synthesized from HFCLK B RW BYPASS Enable or disable bypass of LFCLK crystal oscillator with external clock source Disabled 0 Disable (use with Xtal or low-swing external source) Enabled 1 Enable (use with rail-to-rail external source) C RW EXTERNAL Enable or disable external source for LFCLK Disabled 0 Disable external source (use with Xtal) Enabled 1 Enable use of external source instead of Xtal (SRC needs to be set to Xtal) 5.4.3.9 CTIV ( Retained ) Address offset: 0x538 This register is a retained register 4430_161 v1.0 91 |
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