OSC Register Masks

Macros
#define	OSC_BASE   (0x40065000u)
#define	OSC   ((OSC_Type *)OSC_BASE)
#define	OSC_BASE_ADDRS   { OSC_BASE }
#define	OSC_BASE_PTRS   { OSC }

CR - OSC Control Register
#define	OSC_CR_SC16P_MASK   (0x1U)
#define	OSC_CR_SC16P_SHIFT   (0U)
#define	OSC_CR_SC16P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)
#define	OSC_CR_SC8P_MASK   (0x2U)
#define	OSC_CR_SC8P_SHIFT   (1U)
#define	OSC_CR_SC8P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)
#define	OSC_CR_SC4P_MASK   (0x4U)
#define	OSC_CR_SC4P_SHIFT   (2U)
#define	OSC_CR_SC4P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)
#define	OSC_CR_SC2P_MASK   (0x8U)
#define	OSC_CR_SC2P_SHIFT   (3U)
#define	OSC_CR_SC2P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)
#define	OSC_CR_EREFSTEN_MASK   (0x20U)
#define	OSC_CR_EREFSTEN_SHIFT   (5U)
#define	OSC_CR_EREFSTEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)
#define	OSC_CR_ERCLKEN_MASK   (0x80U)
#define	OSC_CR_ERCLKEN_SHIFT   (7U)
#define	OSC_CR_ERCLKEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)
#define	OSC_CR_SC16P_MASK   0x1u
#define	OSC_CR_SC16P_SHIFT   0
#define	OSC_CR_SC8P_MASK   0x2u
#define	OSC_CR_SC8P_SHIFT   1
#define	OSC_CR_SC4P_MASK   0x4u
#define	OSC_CR_SC4P_SHIFT   2
#define	OSC_CR_SC2P_MASK   0x8u
#define	OSC_CR_SC2P_SHIFT   3
#define	OSC_CR_EREFSTEN_MASK   0x20u
#define	OSC_CR_EREFSTEN_SHIFT   5
#define	OSC_CR_ERCLKEN_MASK   0x80u
#define	OSC_CR_ERCLKEN_SHIFT   7
#define	OSC_CR_SC16P_MASK   (0x1U)
#define	OSC_CR_SC16P_SHIFT   (0U)
#define	OSC_CR_SC16P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)
#define	OSC_CR_SC8P_MASK   (0x2U)
#define	OSC_CR_SC8P_SHIFT   (1U)
#define	OSC_CR_SC8P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)
#define	OSC_CR_SC4P_MASK   (0x4U)
#define	OSC_CR_SC4P_SHIFT   (2U)
#define	OSC_CR_SC4P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)
#define	OSC_CR_SC2P_MASK   (0x8U)
#define	OSC_CR_SC2P_SHIFT   (3U)
#define	OSC_CR_SC2P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)
#define	OSC_CR_EREFSTEN_MASK   (0x20U)
#define	OSC_CR_EREFSTEN_SHIFT   (5U)
#define	OSC_CR_EREFSTEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)
#define	OSC_CR_ERCLKEN_MASK   (0x80U)
#define	OSC_CR_ERCLKEN_SHIFT   (7U)
#define	OSC_CR_ERCLKEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)
#define	OSC_CR_SC16P_MASK   (0x1U)
#define	OSC_CR_SC16P_SHIFT   (0U)
#define	OSC_CR_SC16P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)
#define	OSC_CR_SC8P_MASK   (0x2U)
#define	OSC_CR_SC8P_SHIFT   (1U)
#define	OSC_CR_SC8P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)
#define	OSC_CR_SC4P_MASK   (0x4U)
#define	OSC_CR_SC4P_SHIFT   (2U)
#define	OSC_CR_SC4P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)
#define	OSC_CR_SC2P_MASK   (0x8U)
#define	OSC_CR_SC2P_SHIFT   (3U)
#define	OSC_CR_SC2P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)
#define	OSC_CR_EREFSTEN_MASK   (0x20U)
#define	OSC_CR_EREFSTEN_SHIFT   (5U)
#define	OSC_CR_EREFSTEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)
#define	OSC_CR_ERCLKEN_MASK   (0x80U)
#define	OSC_CR_ERCLKEN_SHIFT   (7U)
#define	OSC_CR_ERCLKEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)
#define	OSC_CR_SC16P_MASK   (0x1U)
#define	OSC_CR_SC16P_SHIFT   (0U)
#define	OSC_CR_SC16P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)
#define	OSC_CR_SC8P_MASK   (0x2U)
#define	OSC_CR_SC8P_SHIFT   (1U)
#define	OSC_CR_SC8P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)
#define	OSC_CR_SC4P_MASK   (0x4U)
#define	OSC_CR_SC4P_SHIFT   (2U)
#define	OSC_CR_SC4P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)
#define	OSC_CR_SC2P_MASK   (0x8U)
#define	OSC_CR_SC2P_SHIFT   (3U)
#define	OSC_CR_SC2P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)
#define	OSC_CR_EREFSTEN_MASK   (0x20U)
#define	OSC_CR_EREFSTEN_SHIFT   (5U)
#define	OSC_CR_EREFSTEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)
#define	OSC_CR_ERCLKEN_MASK   (0x80U)
#define	OSC_CR_ERCLKEN_SHIFT   (7U)
#define	OSC_CR_ERCLKEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)
#define	OSC_CR_SC16P_MASK   (0x1U)
#define	OSC_CR_SC16P_SHIFT   (0U)
#define	OSC_CR_SC16P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)
#define	OSC_CR_SC8P_MASK   (0x2U)
#define	OSC_CR_SC8P_SHIFT   (1U)
#define	OSC_CR_SC8P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)
#define	OSC_CR_SC4P_MASK   (0x4U)
#define	OSC_CR_SC4P_SHIFT   (2U)
#define	OSC_CR_SC4P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)
#define	OSC_CR_SC2P_MASK   (0x8U)
#define	OSC_CR_SC2P_SHIFT   (3U)
#define	OSC_CR_SC2P(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)
#define	OSC_CR_EREFSTEN_MASK   (0x20U)
#define	OSC_CR_EREFSTEN_SHIFT   (5U)
#define	OSC_CR_EREFSTEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)
#define	OSC_CR_ERCLKEN_MASK   (0x80U)
#define	OSC_CR_ERCLKEN_SHIFT   (7U)
#define	OSC_CR_ERCLKEN(x)   (((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)

DIV - OSC_DIV
#define	OSC_DIV_ERPS_MASK   (0xC0U)
#define	OSC_DIV_ERPS_SHIFT   (6U)
#define	OSC_DIV_ERPS(x)   (((uint8_t)(((uint8_t)(x)) << OSC_DIV_ERPS_SHIFT)) & OSC_DIV_ERPS_MASK)
#define	OSC_DIV_ERPS_MASK   (0xC0U)
#define	OSC_DIV_ERPS_SHIFT   (6U)
#define	OSC_DIV_ERPS(x)   (((uint8_t)(((uint8_t)(x)) << OSC_DIV_ERPS_SHIFT)) & OSC_DIV_ERPS_MASK)
#define	OSC_DIV_ERPS_MASK   (0xC0U)
#define	OSC_DIV_ERPS_SHIFT   (6U)
#define	OSC_DIV_ERPS(x)   (((uint8_t)(((uint8_t)(x)) << OSC_DIV_ERPS_SHIFT)) & OSC_DIV_ERPS_MASK)

Macro Definition Documentation

OSC

#define OSC   ((OSC_Type *)OSC_BASE)

Peripheral OSC base pointer

OSC_BASE

#define OSC_BASE   (0x40065000u)

Peripheral OSC base address

OSC_BASE_ADDRS

#define OSC_BASE_ADDRS   { OSC_BASE }

Array initializer of OSC peripheral base addresses

OSC_BASE_PTRS

#define OSC_BASE_PTRS   { OSC }

Array initializer of OSC peripheral base pointers

OSC_CR_ERCLKEN [1/5]

#define OSC_CR_ERCLKEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)

ERCLKEN - External Reference Enable 0b0..External reference clock is inactive. 0b1..External reference clock is enabled.

OSC_CR_ERCLKEN [2/5]

#define OSC_CR_ERCLKEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)

ERCLKEN - External Reference Enable 0b0..External reference clock is inactive. 0b1..External reference clock is enabled.

OSC_CR_ERCLKEN [3/5]

#define OSC_CR_ERCLKEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)

ERCLKEN - External Reference Enable 0b0..External reference clock is inactive. 0b1..External reference clock is enabled.

OSC_CR_ERCLKEN [4/5]

#define OSC_CR_ERCLKEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)

ERCLKEN - External Reference Enable 0b0..External reference clock is inactive. 0b1..External reference clock is enabled.

OSC_CR_ERCLKEN [5/5]

#define OSC_CR_ERCLKEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_ERCLKEN_SHIFT)) & OSC_CR_ERCLKEN_MASK)

ERCLKEN - External Reference Enable 0b0..External reference clock is inactive. 0b1..External reference clock is enabled.

OSC_CR_EREFSTEN [1/5]

#define OSC_CR_EREFSTEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)

EREFSTEN - External Reference Stop Enable 0b0..External reference clock is disabled in Stop mode. 0b1..External reference clock stays enabled in Stop mode if ERCLKEN is set before entering Stop mode.

OSC_CR_EREFSTEN [2/5]

#define OSC_CR_EREFSTEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)

EREFSTEN - External Reference Stop Enable 0b0..External reference clock is disabled in Stop mode. 0b1..External reference clock stays enabled in Stop mode if ERCLKEN is set before entering Stop mode.

OSC_CR_EREFSTEN [3/5]

#define OSC_CR_EREFSTEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)

EREFSTEN - External Reference Stop Enable 0b0..External reference clock is disabled in Stop mode. 0b1..External reference clock stays enabled in Stop mode if ERCLKEN is set before entering Stop mode.

OSC_CR_EREFSTEN [4/5]

#define OSC_CR_EREFSTEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)

EREFSTEN - External Reference Stop Enable 0b0..External reference clock is disabled in Stop mode. 0b1..External reference clock stays enabled in Stop mode if ERCLKEN is set before entering Stop mode.

OSC_CR_EREFSTEN [5/5]

#define OSC_CR_EREFSTEN

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_EREFSTEN_SHIFT)) & OSC_CR_EREFSTEN_MASK)

EREFSTEN - External Reference Stop Enable 0b0..External reference clock is disabled in Stop mode. 0b1..External reference clock stays enabled in Stop mode if ERCLKEN is set before entering Stop mode.

OSC_CR_SC16P [1/5]

#define OSC_CR_SC16P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)

SC16P - Oscillator 16 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 16 pF capacitor to the oscillator load.

OSC_CR_SC16P [2/5]

#define OSC_CR_SC16P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)

SC16P - Oscillator 16 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 16 pF capacitor to the oscillator load.

OSC_CR_SC16P [3/5]

#define OSC_CR_SC16P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)

SC16P - Oscillator 16 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 16 pF capacitor to the oscillator load.

OSC_CR_SC16P [4/5]

#define OSC_CR_SC16P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)

SC16P - Oscillator 16 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 16 pF capacitor to the oscillator load.

OSC_CR_SC16P [5/5]

#define OSC_CR_SC16P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC16P_SHIFT)) & OSC_CR_SC16P_MASK)

SC16P - Oscillator 16 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 16 pF capacitor to the oscillator load.

OSC_CR_SC2P [1/5]

#define OSC_CR_SC2P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)

SC2P - Oscillator 2 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 2 pF capacitor to the oscillator load.

OSC_CR_SC2P [2/5]

#define OSC_CR_SC2P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)

SC2P - Oscillator 2 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 2 pF capacitor to the oscillator load.

OSC_CR_SC2P [3/5]

#define OSC_CR_SC2P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)

SC2P - Oscillator 2 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 2 pF capacitor to the oscillator load.

OSC_CR_SC2P [4/5]

#define OSC_CR_SC2P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)

SC2P - Oscillator 2 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 2 pF capacitor to the oscillator load.

OSC_CR_SC2P [5/5]

#define OSC_CR_SC2P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC2P_SHIFT)) & OSC_CR_SC2P_MASK)

SC2P - Oscillator 2 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 2 pF capacitor to the oscillator load.

OSC_CR_SC4P [1/5]

#define OSC_CR_SC4P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)

SC4P - Oscillator 4 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 4 pF capacitor to the oscillator load.

OSC_CR_SC4P [2/5]

#define OSC_CR_SC4P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)

SC4P - Oscillator 4 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 4 pF capacitor to the oscillator load.

OSC_CR_SC4P [3/5]

#define OSC_CR_SC4P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)

SC4P - Oscillator 4 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 4 pF capacitor to the oscillator load.

OSC_CR_SC4P [4/5]

#define OSC_CR_SC4P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)

SC4P - Oscillator 4 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 4 pF capacitor to the oscillator load.

OSC_CR_SC4P [5/5]

#define OSC_CR_SC4P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC4P_SHIFT)) & OSC_CR_SC4P_MASK)

SC4P - Oscillator 4 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 4 pF capacitor to the oscillator load.

OSC_CR_SC8P [1/5]

#define OSC_CR_SC8P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)

SC8P - Oscillator 8 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 8 pF capacitor to the oscillator load.

OSC_CR_SC8P [2/5]

#define OSC_CR_SC8P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)

SC8P - Oscillator 8 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 8 pF capacitor to the oscillator load.

OSC_CR_SC8P [3/5]

#define OSC_CR_SC8P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)

SC8P - Oscillator 8 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 8 pF capacitor to the oscillator load.

OSC_CR_SC8P [4/5]

#define OSC_CR_SC8P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)

SC8P - Oscillator 8 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 8 pF capacitor to the oscillator load.

OSC_CR_SC8P [5/5]

#define OSC_CR_SC8P

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_CR_SC8P_SHIFT)) & OSC_CR_SC8P_MASK)

SC8P - Oscillator 8 pF Capacitor Load Configure 0b0..Disable the selection. 0b1..Add 8 pF capacitor to the oscillator load.

OSC_DIV_ERPS [1/3]

#define OSC_DIV_ERPS

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_DIV_ERPS_SHIFT)) & OSC_DIV_ERPS_MASK)

ERPS 0b00..The divisor ratio is 1. 0b01..The divisor ratio is 2. 0b10..The divisor ratio is 4. 0b11..The divisor ratio is 8.

OSC_DIV_ERPS [2/3]

#define OSC_DIV_ERPS

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_DIV_ERPS_SHIFT)) & OSC_DIV_ERPS_MASK)

ERPS 0b00..The divisor ratio is 1. 0b01..The divisor ratio is 2. 0b10..The divisor ratio is 4. 0b11..The divisor ratio is 8.

OSC_DIV_ERPS [3/3]

#define OSC_DIV_ERPS

(

x

)

(((uint8_t)(((uint8_t)(x)) << OSC_DIV_ERPS_SHIFT)) & OSC_DIV_ERPS_MASK)

ERPS 0b00..The divisor ratio is 1. 0b01..The divisor ratio is 2. 0b10..The divisor ratio is 4. 0b11..The divisor ratio is 8.