CMU_HFXOInit_TypeDef Struct Reference
HFXO initialization structure.
#include <em_cmu.h>
Data Fields |
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| CMU_HfxoCbLsbTimeout_TypeDef | timeoutCbLsb |
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Core bias change timeout.
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| CMU_HfxoSteadyStateTimeout_TypeDef | timeoutSteadyFirstLock |
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Steady state timeout duration for first lock.
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| CMU_HfxoSteadyStateTimeout_TypeDef | timeoutSteady |
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Steady state timeout duration.
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| uint8_t | ctuneXoStartup |
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XO pin startup tuning capacitance.
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| uint8_t | ctuneXiStartup |
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XI pin startup tuning capacitance.
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| uint8_t | coreBiasStartup |
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Core bias startup current.
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| uint8_t | imCoreBiasStartup |
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Core bias intermediate startup current.
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| CMU_HfxoCoreDegen_TypeDef | coreDegenAna |
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Core degeneration control.
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| CMU_HfxoCtuneFixCap_TypeDef | ctuneFixAna |
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Fixed tuning capacitance on XI/XO.
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| uint8_t | ctuneXoAna |
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Tuning capacitance on XO.
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| uint8_t | ctuneXiAna |
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Tuning capacitance on XI.
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| uint8_t | coreBiasAna |
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Core bias current.
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| bool | enXiDcBiasAna |
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Enable XI internal DC bias.
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| CMU_HfxoOscMode_TypeDef | mode |
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Oscillator mode.
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| bool | forceXo2GndAna |
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Force XO pin to ground.
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| bool | forceXi2GndAna |
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Force XI pin to ground.
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| bool | disOnDemand |
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Disable on-demand requests.
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| bool | forceEn |
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Force oscillator enable.
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| bool | regLock |
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Lock register access.
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HFXO initialization structure.
Init values should be obtained from a configuration tool, app. note or xtal datasheet.
Field Documentation
◆ timeoutCbLsb
| CMU_HfxoCbLsbTimeout_TypeDef CMU_HFXOInit_TypeDef::timeoutCbLsb |
Core bias change timeout.
◆ timeoutSteadyFirstLock
| CMU_HfxoSteadyStateTimeout_TypeDef CMU_HFXOInit_TypeDef::timeoutSteadyFirstLock |
Steady state timeout duration for first lock.
◆ timeoutSteady
| CMU_HfxoSteadyStateTimeout_TypeDef CMU_HFXOInit_TypeDef::timeoutSteady |
Steady state timeout duration.
◆ ctuneXoStartup
| uint8_t CMU_HFXOInit_TypeDef::ctuneXoStartup |
XO pin startup tuning capacitance.
◆ ctuneXiStartup
| uint8_t CMU_HFXOInit_TypeDef::ctuneXiStartup |
XI pin startup tuning capacitance.
◆ coreBiasStartup
| uint8_t CMU_HFXOInit_TypeDef::coreBiasStartup |
Core bias startup current.
◆ imCoreBiasStartup
| uint8_t CMU_HFXOInit_TypeDef::imCoreBiasStartup |
Core bias intermediate startup current.
◆ coreDegenAna
| CMU_HfxoCoreDegen_TypeDef CMU_HFXOInit_TypeDef::coreDegenAna |
Core degeneration control.
◆ ctuneFixAna
| CMU_HfxoCtuneFixCap_TypeDef CMU_HFXOInit_TypeDef::ctuneFixAna |
Fixed tuning capacitance on XI/XO.
◆ ctuneXoAna
| uint8_t CMU_HFXOInit_TypeDef::ctuneXoAna |
Tuning capacitance on XO.
◆ ctuneXiAna
| uint8_t CMU_HFXOInit_TypeDef::ctuneXiAna |
Tuning capacitance on XI.
◆ coreBiasAna
| uint8_t CMU_HFXOInit_TypeDef::coreBiasAna |
Core bias current.
◆ enXiDcBiasAna
| bool CMU_HFXOInit_TypeDef::enXiDcBiasAna |
Enable XI internal DC bias.
◆ mode
| CMU_HfxoOscMode_TypeDef CMU_HFXOInit_TypeDef::mode |
Oscillator mode.
◆ forceXo2GndAna
| bool CMU_HFXOInit_TypeDef::forceXo2GndAna |
Force XO pin to ground.
◆ forceXi2GndAna
| bool CMU_HFXOInit_TypeDef::forceXi2GndAna |
Force XI pin to ground.
◆ disOnDemand
| bool CMU_HFXOInit_TypeDef::disOnDemand |
Disable on-demand requests.
◆ forceEn
| bool CMU_HFXOInit_TypeDef::forceEn |
Force oscillator enable.
◆ regLock
| bool CMU_HFXOInit_TypeDef::regLock |
Lock register access.