atmega328p/Clock_8h_source.html

#ifndef ATMEGA328P_DEFINITIONS_CLOCK_H

#define ATMEGA328P_DEFINITIONS_CLOCK_H


#include <stdint.h>

#include "Config.h"

#include "Pin.h"


namespace atmega328p

{


    namespace clock

    {


        enum class Source : uint8_t

        {

            ExternalClock,

            LowPowerCrystal,

            FullSwingCrystal,

            LowFrequencyCrystal,

            InternalCalibratedRC,

            Internal128kHzRC,

        };


        enum class Domain : uint8_t

        {

            CPU,

            IO,

            Flash,

            ADC,

        };


        enum class CKSELCode : uint8_t

        {

            ExternalClock = 0x00,

            Reserved = 0x01,

            InternalCalibratedRC = 0x02,

            Internal128kHzRC = 0x03,

            LowFrequencyCrystalMinimum = 0x04,

            LowFrequencyCrystalMaximum = 0x05,

            FullSwingCrystalMinimum = 0x06,

            FullSwingCrystalMaximum = 0x07,

            LowPowerCrystalMinimum = 0x08,

            LowPowerCrystalMaximum = 0x0F,

        };


        enum class SUTCode : uint8_t

        {

            SUT00 = 0,

            SUT01 = 1,

            SUT10 = 2,

            SUT11 = 3,

        };


        enum class Prescaler : uint16_t

        {

            Divide1 = 1,

            Divide2 = 2,

            Divide4 = 4,

            Divide8 = 8,

            Divide16 = 16,

            Divide32 = 32,

            Divide64 = 64,

            Divide128 = 128,

            Divide256 = 256,

        };


        enum : uint32_t

        {

            internal_calibrated_rc_hz = 8000000UL,

            internal_rc_nominal_hz = 8000000UL,

            family_datasheet_internal_rc_user_calibrated_min_hz = 7300000UL,

            family_datasheet_internal_rc_user_calibrated_max_hz = 8100000UL,

            internal_128khz_rc_hz = 128000UL,

            timer2_async_crystal_hz = 32768UL,

            factory_default_oscillator_hz = 8000000UL,

            factory_default_cpu_hz = 1000000UL,

        };


        enum : uint16_t

        {

            factory_default_divisor = 8U,

            system_prescaler_count = 9U,

            startup_delay_from_reset_cycles = 19U,

            factory_default_startup_additional_delay_ms = 65U,

            rstdisbl_sut00_additional_delay_ms = 4U,

            startup_delay_corrected_from_14_to_19_ck = 1,

        };


        enum : uint32_t

        {

            standard_max_cpu_hz_at_1v8 = 4000000UL,

            standard_max_cpu_hz_at_2v7 = 10000000UL,

            standard_max_cpu_hz_at_4v5 = 20000000UL,

            automotive_max_cpu_hz_at_2v7 = 8000000UL,

            automotive_max_cpu_hz_at_4v5 = 16000000UL,

        };


        enum : uint8_t

        {

            timer2_tosc1_pin_value = 0x06U,

            timer2_tosc2_pin_value = 0x07U,

            clock_output_pin_value = 0x00U,

            internal_rc_frequency_depends_on_voltage_and_temperature = 1,

            internal_rc_factory_calibration_provided = 1,

            internal_rc_user_calibration_supported = 1,

            osccal_width_bits = 7U,

            osccal_max_value = 0x7FU,

            internal_rc_factory_accuracy_percent = 10U,

            internal_rc_user_accuracy_percent = 1U,

        };


        enum : uint16_t

        {

            internal_rc_factory_calibration_vcc_mv = 3000U,

            internal_rc_user_min_vcc_mv = 1800U,

            internal_rc_user_max_vcc_mv = 5500U,

            internal_128khz_rc_nominal_vcc_mv = 3000U,

        };


        enum : int16_t

        {

            internal_rc_factory_calibration_temperature_c = 25,

            internal_rc_user_min_temperature_c = -40,

            internal_rc_user_max_temperature_c = 85,

            internal_128khz_rc_nominal_temperature_c = 25,

        };

    }


}


#endif

Config.h
Selects the ATmega328P package and operating grade.

Pin.h
Logical GPIO pin and port identifiers.

atmega328p::clock
Clock source and prescaler definitions.
Definition Clock.h:18

atmega328p::clock::standard_max_cpu_hz_at_2v7
@ standard_max_cpu_hz_at_2v7
Standard max CPU hz at 2v7.
Definition Clock.h:102

atmega328p::clock::automotive_max_cpu_hz_at_4v5
@ automotive_max_cpu_hz_at_4v5
Automotive max CPU hz at 4v5.
Definition Clock.h:105

atmega328p::clock::standard_max_cpu_hz_at_4v5
@ standard_max_cpu_hz_at_4v5
Standard max CPU hz at 4v5.
Definition Clock.h:103

atmega328p::clock::standard_max_cpu_hz_at_1v8
@ standard_max_cpu_hz_at_1v8
Standard max CPU hz at 1v8.
Definition Clock.h:101

atmega328p::clock::automotive_max_cpu_hz_at_2v7
@ automotive_max_cpu_hz_at_2v7
Automotive max CPU hz at 2v7.
Definition Clock.h:104

atmega328p::clock::family_datasheet_internal_rc_user_calibrated_max_hz
@ family_datasheet_internal_rc_user_calibrated_max_hz
Family datasheet internal RC user calibrated max (Hz).
Definition Clock.h:82

atmega328p::clock::factory_default_cpu_hz
@ factory_default_cpu_hz
Factory default CPU (Hz).
Definition Clock.h:86

atmega328p::clock::family_datasheet_internal_rc_user_calibrated_min_hz
@ family_datasheet_internal_rc_user_calibrated_min_hz
Family datasheet internal RC user calibrated min (Hz).
Definition Clock.h:81

atmega328p::clock::internal_128khz_rc_hz
@ internal_128khz_rc_hz
Internal 128khz RC (Hz).
Definition Clock.h:83

atmega328p::clock::internal_rc_nominal_hz
@ internal_rc_nominal_hz
Internal RC nominal (Hz).
Definition Clock.h:80

atmega328p::clock::factory_default_oscillator_hz
@ factory_default_oscillator_hz
Factory default oscillator (Hz).
Definition Clock.h:85

atmega328p::clock::timer2_async_crystal_hz
@ timer2_async_crystal_hz
Timer2 async crystal (Hz).
Definition Clock.h:84

atmega328p::clock::internal_calibrated_rc_hz
@ internal_calibrated_rc_hz
Internal calibrated RC (Hz).
Definition Clock.h:79

atmega328p::clock::Domain
Domain
Clock domains.
Definition Clock.h:32

atmega328p::clock::Domain::CPU
@ CPU
CPU clock domain.
Definition Clock.h:33

atmega328p::clock::Domain::ADC
@ ADC
ADC clock domain.
Definition Clock.h:36

atmega328p::clock::Domain::Flash
@ Flash
Flash memory clock domain.
Definition Clock.h:35

atmega328p::clock::Domain::IO
@ IO
I/O peripheral clock domain.
Definition Clock.h:34

atmega328p::clock::CKSELCode
CKSELCode
Clock-source fuse encodings.
Definition Clock.h:41

atmega328p::clock::CKSELCode::LowPowerCrystalMaximum
@ LowPowerCrystalMaximum
0x0F - Low-power crystal selection, upper code.
Definition Clock.h:51

atmega328p::clock::CKSELCode::LowFrequencyCrystalMaximum
@ LowFrequencyCrystalMaximum
0x05 - Low-frequency crystal selection, upper code.
Definition Clock.h:47

atmega328p::clock::CKSELCode::LowPowerCrystalMinimum
@ LowPowerCrystalMinimum
0x08 - Low-power crystal selection, lower code.
Definition Clock.h:50

atmega328p::clock::CKSELCode::LowFrequencyCrystalMinimum
@ LowFrequencyCrystalMinimum
0x04 - Low-frequency crystal selection, lower code.
Definition Clock.h:46

atmega328p::clock::CKSELCode::FullSwingCrystalMinimum
@ FullSwingCrystalMinimum
0x06 - Full-swing crystal selection, lower code.
Definition Clock.h:48

atmega328p::clock::CKSELCode::Reserved
@ Reserved
0x01 - Reserved clock selection.
Definition Clock.h:43

atmega328p::clock::CKSELCode::FullSwingCrystalMaximum
@ FullSwingCrystalMaximum
0x07 - Full-swing crystal selection, upper code.
Definition Clock.h:49

atmega328p::clock::timer2_tosc1_pin_value
@ timer2_tosc1_pin_value
Timer2 tosc1 logical pin encoding.
Definition Clock.h:110

atmega328p::clock::internal_rc_factory_calibration_provided
@ internal_rc_factory_calibration_provided
Internal RC factory calibration provided.
Definition Clock.h:114

atmega328p::clock::osccal_max_value
@ osccal_max_value
OSCCAL max value.
Definition Clock.h:117

atmega328p::clock::timer2_tosc2_pin_value
@ timer2_tosc2_pin_value
Timer2 tosc2 logical pin encoding.
Definition Clock.h:111

atmega328p::clock::internal_rc_frequency_depends_on_voltage_and_temperature
@ internal_rc_frequency_depends_on_voltage_and_temperature
Internal RC frequency depends on voltage and temperature.
Definition Clock.h:113

atmega328p::clock::internal_rc_factory_accuracy_percent
@ internal_rc_factory_accuracy_percent
Internal RC factory accuracy percent.
Definition Clock.h:118

atmega328p::clock::osccal_width_bits
@ osccal_width_bits
OSCCAL width width (bits).
Definition Clock.h:116

atmega328p::clock::internal_rc_user_accuracy_percent
@ internal_rc_user_accuracy_percent
Internal RC user accuracy percent.
Definition Clock.h:119

atmega328p::clock::clock_output_pin_value
@ clock_output_pin_value
Clock output logical pin encoding.
Definition Clock.h:112

atmega328p::clock::internal_rc_user_calibration_supported
@ internal_rc_user_calibration_supported
Internal RC user calibration supported.
Definition Clock.h:115

atmega328p::clock::Prescaler
Prescaler
Clock prescaler selections.
Definition Clock.h:65

atmega328p::clock::Prescaler::Divide64
@ Divide64
64 - Divide system clock by 64.
Definition Clock.h:72

atmega328p::clock::Prescaler::Divide4
@ Divide4
4 - Divide system clock by 4.
Definition Clock.h:68

atmega328p::clock::Prescaler::Divide16
@ Divide16
16 - Divide system clock by 16.
Definition Clock.h:70

atmega328p::clock::Prescaler::Divide1
@ Divide1
1 - Divide system clock by 1.
Definition Clock.h:66

atmega328p::clock::Prescaler::Divide8
@ Divide8
8 - Divide system clock by 8.
Definition Clock.h:69

atmega328p::clock::Prescaler::Divide128
@ Divide128
128 - Divide system clock by 128.
Definition Clock.h:73

atmega328p::clock::Prescaler::Divide32
@ Divide32
32 - Divide system clock by 32.
Definition Clock.h:71

atmega328p::clock::Prescaler::Divide256
@ Divide256
256 - Divide system clock by 256.
Definition Clock.h:74

atmega328p::clock::Prescaler::Divide2
@ Divide2
2 - Divide system clock by 2.
Definition Clock.h:67

atmega328p::clock::SUTCode
SUTCode
Startup-time fuse encodings.
Definition Clock.h:56

atmega328p::clock::SUTCode::SUT11
@ SUT11
3 - Startup time encoding 11.
Definition Clock.h:60

atmega328p::clock::SUTCode::SUT10
@ SUT10
2 - Startup time encoding 10.
Definition Clock.h:59

atmega328p::clock::SUTCode::SUT01
@ SUT01
1 - Startup time encoding 01.
Definition Clock.h:58

atmega328p::clock::SUTCode::SUT00
@ SUT00
0 - Startup time encoding 00.
Definition Clock.h:57

atmega328p::clock::internal_128khz_rc_nominal_vcc_mv
@ internal_128khz_rc_nominal_vcc_mv
Internal 128khz RC nominal VCC (mV).
Definition Clock.h:127

atmega328p::clock::internal_rc_user_min_vcc_mv
@ internal_rc_user_min_vcc_mv
Internal RC user min VCC (mV).
Definition Clock.h:125

atmega328p::clock::internal_rc_factory_calibration_vcc_mv
@ internal_rc_factory_calibration_vcc_mv
Internal RC factory calibration VCC (mV).
Definition Clock.h:124

atmega328p::clock::internal_rc_user_max_vcc_mv
@ internal_rc_user_max_vcc_mv
Internal RC user max VCC (mV).
Definition Clock.h:126

atmega328p::clock::Source
Source
Clock or interrupt source identifiers.
Definition Clock.h:21

atmega328p::clock::Source::ExternalClock
@ ExternalClock
External clock on XTAL1.
Definition Clock.h:22

atmega328p::clock::Source::Internal128kHzRC
@ Internal128kHzRC
Internal nominal 128 kHz RC oscillator.
Definition Clock.h:27

atmega328p::clock::Source::FullSwingCrystal
@ FullSwingCrystal
Full-swing crystal oscillator.
Definition Clock.h:24

atmega328p::clock::Source::InternalCalibratedRC
@ InternalCalibratedRC
Calibrated internal RC oscillator.
Definition Clock.h:26

atmega328p::clock::Source::LowFrequencyCrystal
@ LowFrequencyCrystal
Low-frequency crystal oscillator.
Definition Clock.h:25

atmega328p::clock::Source::LowPowerCrystal
@ LowPowerCrystal
Low-power crystal oscillator.
Definition Clock.h:23

atmega328p::clock::internal_rc_factory_calibration_temperature_c
@ internal_rc_factory_calibration_temperature_c
Internal RC factory calibration temperature c.
Definition Clock.h:132

atmega328p::clock::internal_128khz_rc_nominal_temperature_c
@ internal_128khz_rc_nominal_temperature_c
Internal 128khz RC nominal temperature c.
Definition Clock.h:135

atmega328p::clock::internal_rc_user_max_temperature_c
@ internal_rc_user_max_temperature_c
Internal RC user max temperature c.
Definition Clock.h:134

atmega328p::clock::internal_rc_user_min_temperature_c
@ internal_rc_user_min_temperature_c
Internal RC user min temperature c.
Definition Clock.h:133

atmega328p::clock::startup_delay_corrected_from_14_to_19_ck
@ startup_delay_corrected_from_14_to_19_ck
Startup delay corrected from 14 to 19 ck.
Definition Clock.h:96

atmega328p::clock::factory_default_divisor
@ factory_default_divisor
Factory default divisor.
Definition Clock.h:91

atmega328p::clock::rstdisbl_sut00_additional_delay_ms
@ rstdisbl_sut00_additional_delay_ms
RSTDISBL sut00 additional delay (ms).
Definition Clock.h:95

atmega328p::clock::system_prescaler_count
@ system_prescaler_count
Number of system prescaler.
Definition Clock.h:92

atmega328p::clock::factory_default_startup_additional_delay_ms
@ factory_default_startup_additional_delay_ms
Factory default startup additional delay (ms).
Definition Clock.h:94

atmega328p::clock::startup_delay_from_reset_cycles
@ startup_delay_from_reset_cycles
Startup delay from reset (clock cycles).
Definition Clock.h:93

atmega328p
Device-specific definitions for the ATmega328P.
Definition ADC.h:14