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NRF9160-SICA-R7 Datasheet(PDF) 70 Page - Nordic Semiconductor |
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NRF9160-SICA-R7 Datasheet(HTML) 70 Page - Nordic Semiconductor |
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70 / 400 page  Power and clock management 5.3.2 CLOCK — Clock control The CLOCK module provides one of the interfaces to power and clock management configuration settings. Through CLOCK module it is able to configure the following: • LFCLK clock source setup • LFCLK and HFCLK status • Tasks and events • Interrupts • Reset Note: Registers INTEN on page 74, INTENSET on page 74, and INTENCLR on page 74 are the same registers (at the same address) as corresponding registers in POWER — Power control on page 64. 5.3.2.1 Registers Base address Peripheral Instance Secure mapping DMA security Description Configuration 0x50005000 0x40005000 CLOCK CLOCK : S CLOCK : NS US NA Clock control Table 23: Instances Register Offset Security Description TASKS_HFCLKSTART 0x000 Start HFCLK source TASKS_HFCLKSTOP 0x004 Stop HFCLK source TASKS_LFCLKSTART 0x008 Start LFCLK source TASKS_LFCLKSTOP 0x00C Stop LFCLK source SUBSCRIBE_HFCLKSTART 0x080 Subscribe configuration for task HFCLKSTART SUBSCRIBE_HFCLKSTOP 0x084 Subscribe configuration for task HFCLKSTOP SUBSCRIBE_LFCLKSTART 0x088 Subscribe configuration for task LFCLKSTART SUBSCRIBE_LFCLKSTOP 0x08C Subscribe configuration for task LFCLKSTOP EVENTS_HFCLKSTARTED 0x100 HFCLK oscillator started EVENTS_LFCLKSTARTED 0x104 LFCLK started PUBLISH_HFCLKSTARTED 0x180 Publish configuration for event HFCLKSTARTED PUBLISH_LFCLKSTARTED 0x184 Publish configuration for event LFCLKSTARTED INTEN 0x300 Enable or disable interrupt INTENSET 0x304 Enable interrupt INTENCLR 0x308 Disable interrupt INTPEND 0x30C Pending interrupts HFCLKRUN 0x408 Status indicating that HFCLKSTART task has been triggered HFCLKSTAT 0x40C The register shows if HFXO has been requested by triggering HFCLKSTART task and if it has been started (STATE) LFCLKRUN 0x414 Status indicating that LFCLKSTART task has been triggered LFCLKSTAT 0x418 The register shows which LFCLK source has been requested (SRC) when triggering LFCLKSTART task and if the source has been started (STATE) LFCLKSRCCOPY 0x41C Copy of LFCLKSRC register, set after LFCLKSTART task has been triggered LFCLKSRC 0x518 Clock source for the LFCLK. LFCLKSTART task starts starts a clock source selected with this register. Table 24: Register overview 4418_1315 v2.0 70 |
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