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TARGET_SAMR21G18A/TOOLCHAIN_ARM_STD/conf_clocks.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
TARGET_SAMR21G18A/TARGET_Atmel/TARGET_SAM_CortexM0P/config/TARGET_SAMR21/conf_clocks.h@111:4336505e4b1c 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 111:4336505e4b1c 1 /**
Kojto 111:4336505e4b1c 2 * \file
Kojto 111:4336505e4b1c 3 *
Kojto 111:4336505e4b1c 4 * \brief SAM R21 Clock configuration
Kojto 111:4336505e4b1c 5 *
Kojto 111:4336505e4b1c 6 * Copyright (C) 2014-2015 Atmel Corporation. All rights reserved.
Kojto 111:4336505e4b1c 7 *
Kojto 111:4336505e4b1c 8 * \asf_license_start
Kojto 111:4336505e4b1c 9 *
Kojto 111:4336505e4b1c 10 * \page License
Kojto 111:4336505e4b1c 11 *
Kojto 111:4336505e4b1c 12 * Redistribution and use in source and binary forms, with or without
Kojto 111:4336505e4b1c 13 * modification, are permitted provided that the following conditions are met:
Kojto 111:4336505e4b1c 14 *
Kojto 111:4336505e4b1c 15 * 1. Redistributions of source code must retain the above copyright notice,
Kojto 111:4336505e4b1c 16 * this list of conditions and the following disclaimer.
Kojto 111:4336505e4b1c 17 *
Kojto 111:4336505e4b1c 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
Kojto 111:4336505e4b1c 19 * this list of conditions and the following disclaimer in the documentation
Kojto 111:4336505e4b1c 20 * and/or other materials provided with the distribution.
Kojto 111:4336505e4b1c 21 *
Kojto 111:4336505e4b1c 22 * 3. The name of Atmel may not be used to endorse or promote products derived
Kojto 111:4336505e4b1c 23 * from this software without specific prior written permission.
Kojto 111:4336505e4b1c 24 *
Kojto 111:4336505e4b1c 25 * 4. This software may only be redistributed and used in connection with an
Kojto 111:4336505e4b1c 26 * Atmel microcontroller product.
Kojto 111:4336505e4b1c 27 *
Kojto 111:4336505e4b1c 28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
Kojto 111:4336505e4b1c 29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
Kojto 111:4336505e4b1c 30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
Kojto 111:4336505e4b1c 31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
Kojto 111:4336505e4b1c 32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Kojto 111:4336505e4b1c 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
Kojto 111:4336505e4b1c 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
Kojto 111:4336505e4b1c 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
Kojto 111:4336505e4b1c 36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
Kojto 111:4336505e4b1c 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 111:4336505e4b1c 38 * POSSIBILITY OF SUCH DAMAGE.
Kojto 111:4336505e4b1c 39 *
Kojto 111:4336505e4b1c 40 * \asf_license_stop
Kojto 111:4336505e4b1c 41 *
Kojto 111:4336505e4b1c 42 */
Kojto 111:4336505e4b1c 43 /*
Kojto 111:4336505e4b1c 44 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
Kojto 111:4336505e4b1c 45 */
Kojto 111:4336505e4b1c 46 #include <clock.h>
Kojto 111:4336505e4b1c 47
Kojto 111:4336505e4b1c 48 #ifndef CONF_CLOCKS_H_INCLUDED
Kojto 111:4336505e4b1c 49 # define CONF_CLOCKS_H_INCLUDED
Kojto 111:4336505e4b1c 50
Kojto 111:4336505e4b1c 51 /* System clock bus configuration */
Kojto 111:4336505e4b1c 52 # define CONF_CLOCK_CPU_CLOCK_FAILURE_DETECT false
Kojto 111:4336505e4b1c 53 # define CONF_CLOCK_FLASH_WAIT_STATES 0
Kojto 111:4336505e4b1c 54 # define CONF_CLOCK_CPU_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
Kojto 111:4336505e4b1c 55 # define CONF_CLOCK_APBA_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
Kojto 111:4336505e4b1c 56 # define CONF_CLOCK_APBB_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
Kojto 111:4336505e4b1c 57 # define CONF_CLOCK_APBC_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
Kojto 111:4336505e4b1c 58
Kojto 111:4336505e4b1c 59 /* SYSTEM_CLOCK_SOURCE_OSC8M configuration - Internal 8MHz oscillator */
Kojto 111:4336505e4b1c 60 # define CONF_CLOCK_OSC8M_PRESCALER SYSTEM_OSC8M_DIV_1
Kojto 111:4336505e4b1c 61 # define CONF_CLOCK_OSC8M_ON_DEMAND true
Kojto 111:4336505e4b1c 62 # define CONF_CLOCK_OSC8M_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 63
Kojto 111:4336505e4b1c 64 /* SYSTEM_CLOCK_SOURCE_XOSC configuration - External clock/oscillator */
Kojto 111:4336505e4b1c 65 # define CONF_CLOCK_XOSC_ENABLE false
Kojto 111:4336505e4b1c 66 # define CONF_CLOCK_XOSC_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL
Kojto 111:4336505e4b1c 67 # define CONF_CLOCK_XOSC_EXTERNAL_FREQUENCY 12000000UL
Kojto 111:4336505e4b1c 68 # define CONF_CLOCK_XOSC_STARTUP_TIME SYSTEM_XOSC_STARTUP_32768
Kojto 111:4336505e4b1c 69 # define CONF_CLOCK_XOSC_AUTO_GAIN_CONTROL true
Kojto 111:4336505e4b1c 70 # define CONF_CLOCK_XOSC_ON_DEMAND true
Kojto 111:4336505e4b1c 71 # define CONF_CLOCK_XOSC_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 72
Kojto 111:4336505e4b1c 73 /* SYSTEM_CLOCK_SOURCE_XOSC32K configuration - External 32KHz crystal/clock oscillator */
Kojto 111:4336505e4b1c 74 # define CONF_CLOCK_XOSC32K_ENABLE false
Kojto 111:4336505e4b1c 75 # define CONF_CLOCK_XOSC32K_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL
Kojto 111:4336505e4b1c 76 # define CONF_CLOCK_XOSC32K_STARTUP_TIME SYSTEM_XOSC32K_STARTUP_65536
Kojto 111:4336505e4b1c 77 # define CONF_CLOCK_XOSC32K_AUTO_AMPLITUDE_CONTROL false
Kojto 111:4336505e4b1c 78 # define CONF_CLOCK_XOSC32K_ENABLE_1KHZ_OUPUT false
Kojto 111:4336505e4b1c 79 # define CONF_CLOCK_XOSC32K_ENABLE_32KHZ_OUTPUT true
Kojto 111:4336505e4b1c 80 # define CONF_CLOCK_XOSC32K_ON_DEMAND true
Kojto 111:4336505e4b1c 81 # define CONF_CLOCK_XOSC32K_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 82
Kojto 111:4336505e4b1c 83 //! [oscillator_settings]
Kojto 111:4336505e4b1c 84 /* SYSTEM_CLOCK_SOURCE_OSC32K configuration - Internal 32KHz oscillator */
Kojto 111:4336505e4b1c 85 # define CONF_CLOCK_OSC32K_ENABLE true
Kojto 111:4336505e4b1c 86 # define CONF_CLOCK_OSC32K_STARTUP_TIME SYSTEM_OSC32K_STARTUP_130
Kojto 111:4336505e4b1c 87 # define CONF_CLOCK_OSC32K_ENABLE_1KHZ_OUTPUT true
Kojto 111:4336505e4b1c 88 # define CONF_CLOCK_OSC32K_ENABLE_32KHZ_OUTPUT true
Kojto 111:4336505e4b1c 89 # define CONF_CLOCK_OSC32K_ON_DEMAND true
Kojto 111:4336505e4b1c 90 # define CONF_CLOCK_OSC32K_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 91 //! [oscillator_settings]
Kojto 111:4336505e4b1c 92
Kojto 111:4336505e4b1c 93 /* SYSTEM_CLOCK_SOURCE_DFLL configuration - Digital Frequency Locked Loop */
Kojto 111:4336505e4b1c 94 # define CONF_CLOCK_DFLL_ENABLE false
Kojto 111:4336505e4b1c 95 # define CONF_CLOCK_DFLL_LOOP_MODE SYSTEM_CLOCK_DFLL_LOOP_MODE_OPEN
Kojto 111:4336505e4b1c 96 # define CONF_CLOCK_DFLL_ON_DEMAND false
Kojto 111:4336505e4b1c 97
Kojto 111:4336505e4b1c 98 /* DFLL open loop mode configuration */
Kojto 111:4336505e4b1c 99 # define CONF_CLOCK_DFLL_FINE_VALUE (0xff / 4)
Kojto 111:4336505e4b1c 100
Kojto 111:4336505e4b1c 101 /* DFLL closed loop mode configuration */
Kojto 111:4336505e4b1c 102 # define CONF_CLOCK_DFLL_SOURCE_GCLK_GENERATOR GCLK_GENERATOR_1
Kojto 111:4336505e4b1c 103 # define CONF_CLOCK_DFLL_MULTIPLY_FACTOR 6
Kojto 111:4336505e4b1c 104 # define CONF_CLOCK_DFLL_QUICK_LOCK true
Kojto 111:4336505e4b1c 105 # define CONF_CLOCK_DFLL_TRACK_AFTER_FINE_LOCK true
Kojto 111:4336505e4b1c 106 # define CONF_CLOCK_DFLL_KEEP_LOCK_ON_WAKEUP true
Kojto 111:4336505e4b1c 107 # define CONF_CLOCK_DFLL_ENABLE_CHILL_CYCLE true
Kojto 111:4336505e4b1c 108 # define CONF_CLOCK_DFLL_MAX_COARSE_STEP_SIZE (0x1f / 4)
Kojto 111:4336505e4b1c 109 # define CONF_CLOCK_DFLL_MAX_FINE_STEP_SIZE (0xff / 4)
Kojto 111:4336505e4b1c 110
Kojto 111:4336505e4b1c 111 /* SYSTEM_CLOCK_SOURCE_DPLL configuration - Digital Phase-Locked Loop */
Kojto 111:4336505e4b1c 112 # define CONF_CLOCK_DPLL_ENABLE false
Kojto 111:4336505e4b1c 113 # define CONF_CLOCK_DPLL_ON_DEMAND true
Kojto 111:4336505e4b1c 114 # define CONF_CLOCK_DPLL_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 115 # define CONF_CLOCK_DPLL_LOCK_BYPASS false
Kojto 111:4336505e4b1c 116 # define CONF_CLOCK_DPLL_WAKE_UP_FAST false
Kojto 111:4336505e4b1c 117 # define CONF_CLOCK_DPLL_LOW_POWER_ENABLE false
Kojto 111:4336505e4b1c 118
Kojto 111:4336505e4b1c 119 # define CONF_CLOCK_DPLL_LOCK_TIME SYSTEM_CLOCK_SOURCE_DPLL_LOCK_TIME_DEFAULT
Kojto 111:4336505e4b1c 120 # define CONF_CLOCK_DPLL_REFERENCE_CLOCK SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_XOSC32K
Kojto 111:4336505e4b1c 121 # define CONF_CLOCK_DPLL_FILTER SYSTEM_CLOCK_SOURCE_DPLL_FILTER_DEFAULT
Kojto 111:4336505e4b1c 122
Kojto 111:4336505e4b1c 123 # define CONF_CLOCK_DPLL_REFERENCE_FREQUENCY 32768
Kojto 111:4336505e4b1c 124 # define CONF_CLOCK_DPLL_REFERENCE_DIVIDER 1
Kojto 111:4336505e4b1c 125 # define CONF_CLOCK_DPLL_OUTPUT_FREQUENCY 48000000
Kojto 111:4336505e4b1c 126
Kojto 111:4336505e4b1c 127 /* DPLL GCLK reference configuration */
Kojto 111:4336505e4b1c 128 # define CONF_CLOCK_DPLL_REFERENCE_GCLK_GENERATOR GCLK_GENERATOR_1
Kojto 111:4336505e4b1c 129 /* DPLL GCLK lock timer configuration */
Kojto 111:4336505e4b1c 130 # define CONF_CLOCK_DPLL_LOCK_GCLK_GENERATOR GCLK_GENERATOR_1
Kojto 111:4336505e4b1c 131
Kojto 111:4336505e4b1c 132 /* Set this to true to configure the GCLK when running clocks_init. If set to
Kojto 111:4336505e4b1c 133 * false, none of the GCLK generators will be configured in clocks_init(). */
Kojto 111:4336505e4b1c 134 # define CONF_CLOCK_CONFIGURE_GCLK true
Kojto 111:4336505e4b1c 135
Kojto 111:4336505e4b1c 136 /* Configure GCLK generator 0 (Main Clock) */
Kojto 111:4336505e4b1c 137 # define CONF_CLOCK_GCLK_0_ENABLE true
Kojto 111:4336505e4b1c 138 # define CONF_CLOCK_GCLK_0_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 139 # define CONF_CLOCK_GCLK_0_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 140 # define CONF_CLOCK_GCLK_0_PRESCALER 1
Kojto 111:4336505e4b1c 141 # define CONF_CLOCK_GCLK_0_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 142
Kojto 111:4336505e4b1c 143 /* Configure GCLK generator 1 */
Kojto 111:4336505e4b1c 144 # define CONF_CLOCK_GCLK_1_ENABLE false
Kojto 111:4336505e4b1c 145 # define CONF_CLOCK_GCLK_1_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 146 # define CONF_CLOCK_GCLK_1_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 147 # define CONF_CLOCK_GCLK_1_PRESCALER 1
Kojto 111:4336505e4b1c 148 # define CONF_CLOCK_GCLK_1_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 149
Kojto 111:4336505e4b1c 150 //! [gclk_settings]
Kojto 111:4336505e4b1c 151 /* Configure GCLK generator 2 (RTC) */
Kojto 111:4336505e4b1c 152 # define CONF_CLOCK_GCLK_2_ENABLE true
Kojto 111:4336505e4b1c 153 # define CONF_CLOCK_GCLK_2_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 154 # define CONF_CLOCK_GCLK_2_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC32K
Kojto 111:4336505e4b1c 155 # define CONF_CLOCK_GCLK_2_PRESCALER 32
Kojto 111:4336505e4b1c 156 # define CONF_CLOCK_GCLK_2_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 157 //! [gclk_settings]
Kojto 111:4336505e4b1c 158
Kojto 111:4336505e4b1c 159 /* Configure GCLK generator 3 */
Kojto 111:4336505e4b1c 160 # define CONF_CLOCK_GCLK_3_ENABLE false
Kojto 111:4336505e4b1c 161 # define CONF_CLOCK_GCLK_3_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 162 # define CONF_CLOCK_GCLK_3_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 163 # define CONF_CLOCK_GCLK_3_PRESCALER 1
Kojto 111:4336505e4b1c 164 # define CONF_CLOCK_GCLK_3_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 165
Kojto 111:4336505e4b1c 166 /* Configure GCLK generator 4 */
Kojto 111:4336505e4b1c 167 # define CONF_CLOCK_GCLK_4_ENABLE false
Kojto 111:4336505e4b1c 168 # define CONF_CLOCK_GCLK_4_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 169 # define CONF_CLOCK_GCLK_4_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 170 # define CONF_CLOCK_GCLK_4_PRESCALER 1
Kojto 111:4336505e4b1c 171 # define CONF_CLOCK_GCLK_4_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 172
Kojto 111:4336505e4b1c 173 /* Configure GCLK generator 5 */
Kojto 111:4336505e4b1c 174 # define CONF_CLOCK_GCLK_5_ENABLE false
Kojto 111:4336505e4b1c 175 # define CONF_CLOCK_GCLK_5_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 176 # define CONF_CLOCK_GCLK_5_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 177 # define CONF_CLOCK_GCLK_5_PRESCALER 1
Kojto 111:4336505e4b1c 178 # define CONF_CLOCK_GCLK_5_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 179
Kojto 111:4336505e4b1c 180 /* Configure GCLK generator 6 */
Kojto 111:4336505e4b1c 181 # define CONF_CLOCK_GCLK_6_ENABLE false
Kojto 111:4336505e4b1c 182 # define CONF_CLOCK_GCLK_6_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 183 # define CONF_CLOCK_GCLK_6_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 184 # define CONF_CLOCK_GCLK_6_PRESCALER 1
Kojto 111:4336505e4b1c 185 # define CONF_CLOCK_GCLK_6_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 186
Kojto 111:4336505e4b1c 187 /* Configure GCLK generator 7 */
Kojto 111:4336505e4b1c 188 # define CONF_CLOCK_GCLK_7_ENABLE false
Kojto 111:4336505e4b1c 189 # define CONF_CLOCK_GCLK_7_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 190 # define CONF_CLOCK_GCLK_7_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 191 # define CONF_CLOCK_GCLK_7_PRESCALER 1
Kojto 111:4336505e4b1c 192 # define CONF_CLOCK_GCLK_7_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 193
Kojto 111:4336505e4b1c 194 /* Configure GCLK generator 8 */
Kojto 111:4336505e4b1c 195 # define CONF_CLOCK_GCLK_8_ENABLE false
Kojto 111:4336505e4b1c 196 # define CONF_CLOCK_GCLK_8_RUN_IN_STANDBY false
Kojto 111:4336505e4b1c 197 # define CONF_CLOCK_GCLK_8_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
Kojto 111:4336505e4b1c 198 # define CONF_CLOCK_GCLK_8_PRESCALER 1
Kojto 111:4336505e4b1c 199 # define CONF_CLOCK_GCLK_8_OUTPUT_ENABLE false
Kojto 111:4336505e4b1c 200
Kojto 111:4336505e4b1c 201 #endif /* CONF_CLOCKS_H_INCLUDED */
Kojto 111:4336505e4b1c 202