Sergey Solodunov / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/config/conf_clocks.h@15:a81a8d6c1dfe, 2015-11-04 (annotated)

Committer:
mbed_official
Date:
Wed Nov 04 16:30:11 2015 +0000
Revision:
15:a81a8d6c1dfe
Synchronized with git revision 46af745ef4405614c3fa49abbd9a706a362ea514



Full URL: https://github.com/mbedmicro/mbed/commit/46af745ef4405614c3fa49abbd9a706a362ea514/



Renamed TARGET_SAM_CortexM0+ to TARGET_SAM_CortexM0P for compatiblity with online compiler

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 15:a81a8d6c1dfe 1 /**
mbed_official 15:a81a8d6c1dfe 2 * \file
mbed_official 15:a81a8d6c1dfe 3 *
mbed_official 15:a81a8d6c1dfe 4 * \brief SAM R21 Clock configuration
mbed_official 15:a81a8d6c1dfe 5 *
mbed_official 15:a81a8d6c1dfe 6 * Copyright (C) 2014-2015 Atmel Corporation. All rights reserved.
mbed_official 15:a81a8d6c1dfe 7 *
mbed_official 15:a81a8d6c1dfe 8 * \asf_license_start
mbed_official 15:a81a8d6c1dfe 9 *
mbed_official 15:a81a8d6c1dfe 10 * \page License
mbed_official 15:a81a8d6c1dfe 11 *
mbed_official 15:a81a8d6c1dfe 12 * Redistribution and use in source and binary forms, with or without
mbed_official 15:a81a8d6c1dfe 13 * modification, are permitted provided that the following conditions are met:
mbed_official 15:a81a8d6c1dfe 14 *
mbed_official 15:a81a8d6c1dfe 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 15:a81a8d6c1dfe 16 * this list of conditions and the following disclaimer.
mbed_official 15:a81a8d6c1dfe 17 *
mbed_official 15:a81a8d6c1dfe 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 15:a81a8d6c1dfe 19 * this list of conditions and the following disclaimer in the documentation
mbed_official 15:a81a8d6c1dfe 20 * and/or other materials provided with the distribution.
mbed_official 15:a81a8d6c1dfe 21 *
mbed_official 15:a81a8d6c1dfe 22 * 3. The name of Atmel may not be used to endorse or promote products derived
mbed_official 15:a81a8d6c1dfe 23 * from this software without specific prior written permission.
mbed_official 15:a81a8d6c1dfe 24 *
mbed_official 15:a81a8d6c1dfe 25 * 4. This software may only be redistributed and used in connection with an
mbed_official 15:a81a8d6c1dfe 26 * Atmel microcontroller product.
mbed_official 15:a81a8d6c1dfe 27 *
mbed_official 15:a81a8d6c1dfe 28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
mbed_official 15:a81a8d6c1dfe 29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 15:a81a8d6c1dfe 30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
mbed_official 15:a81a8d6c1dfe 31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
mbed_official 15:a81a8d6c1dfe 32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 15:a81a8d6c1dfe 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
mbed_official 15:a81a8d6c1dfe 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
mbed_official 15:a81a8d6c1dfe 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
mbed_official 15:a81a8d6c1dfe 36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
mbed_official 15:a81a8d6c1dfe 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbed_official 15:a81a8d6c1dfe 38 * POSSIBILITY OF SUCH DAMAGE.
mbed_official 15:a81a8d6c1dfe 39 *
mbed_official 15:a81a8d6c1dfe 40 * \asf_license_stop
mbed_official 15:a81a8d6c1dfe 41 *
mbed_official 15:a81a8d6c1dfe 42 */
mbed_official 15:a81a8d6c1dfe 43 /*
mbed_official 15:a81a8d6c1dfe 44 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
mbed_official 15:a81a8d6c1dfe 45 */
mbed_official 15:a81a8d6c1dfe 46 #include <clock.h>
mbed_official 15:a81a8d6c1dfe 47
mbed_official 15:a81a8d6c1dfe 48 #ifndef CONF_CLOCKS_H_INCLUDED
mbed_official 15:a81a8d6c1dfe 49 # define CONF_CLOCKS_H_INCLUDED
mbed_official 15:a81a8d6c1dfe 50
mbed_official 15:a81a8d6c1dfe 51 /* System clock bus configuration */
mbed_official 15:a81a8d6c1dfe 52 # define CONF_CLOCK_CPU_CLOCK_FAILURE_DETECT false
mbed_official 15:a81a8d6c1dfe 53 # define CONF_CLOCK_FLASH_WAIT_STATES 0
mbed_official 15:a81a8d6c1dfe 54 # define CONF_CLOCK_CPU_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
mbed_official 15:a81a8d6c1dfe 55 # define CONF_CLOCK_APBA_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
mbed_official 15:a81a8d6c1dfe 56 # define CONF_CLOCK_APBB_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
mbed_official 15:a81a8d6c1dfe 57 # define CONF_CLOCK_APBC_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
mbed_official 15:a81a8d6c1dfe 58
mbed_official 15:a81a8d6c1dfe 59 /* SYSTEM_CLOCK_SOURCE_OSC8M configuration - Internal 8MHz oscillator */
mbed_official 15:a81a8d6c1dfe 60 # define CONF_CLOCK_OSC8M_PRESCALER SYSTEM_OSC8M_DIV_1
mbed_official 15:a81a8d6c1dfe 61 # define CONF_CLOCK_OSC8M_ON_DEMAND true
mbed_official 15:a81a8d6c1dfe 62 # define CONF_CLOCK_OSC8M_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 63
mbed_official 15:a81a8d6c1dfe 64 /* SYSTEM_CLOCK_SOURCE_XOSC configuration - External clock/oscillator */
mbed_official 15:a81a8d6c1dfe 65 # define CONF_CLOCK_XOSC_ENABLE false
mbed_official 15:a81a8d6c1dfe 66 # define CONF_CLOCK_XOSC_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL
mbed_official 15:a81a8d6c1dfe 67 # define CONF_CLOCK_XOSC_EXTERNAL_FREQUENCY 12000000UL
mbed_official 15:a81a8d6c1dfe 68 # define CONF_CLOCK_XOSC_STARTUP_TIME SYSTEM_XOSC_STARTUP_32768
mbed_official 15:a81a8d6c1dfe 69 # define CONF_CLOCK_XOSC_AUTO_GAIN_CONTROL true
mbed_official 15:a81a8d6c1dfe 70 # define CONF_CLOCK_XOSC_ON_DEMAND true
mbed_official 15:a81a8d6c1dfe 71 # define CONF_CLOCK_XOSC_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 72
mbed_official 15:a81a8d6c1dfe 73 /* SYSTEM_CLOCK_SOURCE_XOSC32K configuration - External 32KHz crystal/clock oscillator */
mbed_official 15:a81a8d6c1dfe 74 # define CONF_CLOCK_XOSC32K_ENABLE false
mbed_official 15:a81a8d6c1dfe 75 # define CONF_CLOCK_XOSC32K_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL
mbed_official 15:a81a8d6c1dfe 76 # define CONF_CLOCK_XOSC32K_STARTUP_TIME SYSTEM_XOSC32K_STARTUP_65536
mbed_official 15:a81a8d6c1dfe 77 # define CONF_CLOCK_XOSC32K_AUTO_AMPLITUDE_CONTROL false
mbed_official 15:a81a8d6c1dfe 78 # define CONF_CLOCK_XOSC32K_ENABLE_1KHZ_OUPUT false
mbed_official 15:a81a8d6c1dfe 79 # define CONF_CLOCK_XOSC32K_ENABLE_32KHZ_OUTPUT true
mbed_official 15:a81a8d6c1dfe 80 # define CONF_CLOCK_XOSC32K_ON_DEMAND true
mbed_official 15:a81a8d6c1dfe 81 # define CONF_CLOCK_XOSC32K_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 82
mbed_official 15:a81a8d6c1dfe 83 //! [oscillator_settings]
mbed_official 15:a81a8d6c1dfe 84 /* SYSTEM_CLOCK_SOURCE_OSC32K configuration - Internal 32KHz oscillator */
mbed_official 15:a81a8d6c1dfe 85 # define CONF_CLOCK_OSC32K_ENABLE true
mbed_official 15:a81a8d6c1dfe 86 # define CONF_CLOCK_OSC32K_STARTUP_TIME SYSTEM_OSC32K_STARTUP_130
mbed_official 15:a81a8d6c1dfe 87 # define CONF_CLOCK_OSC32K_ENABLE_1KHZ_OUTPUT true
mbed_official 15:a81a8d6c1dfe 88 # define CONF_CLOCK_OSC32K_ENABLE_32KHZ_OUTPUT true
mbed_official 15:a81a8d6c1dfe 89 # define CONF_CLOCK_OSC32K_ON_DEMAND true
mbed_official 15:a81a8d6c1dfe 90 # define CONF_CLOCK_OSC32K_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 91 //! [oscillator_settings]
mbed_official 15:a81a8d6c1dfe 92
mbed_official 15:a81a8d6c1dfe 93 /* SYSTEM_CLOCK_SOURCE_DFLL configuration - Digital Frequency Locked Loop */
mbed_official 15:a81a8d6c1dfe 94 # define CONF_CLOCK_DFLL_ENABLE false
mbed_official 15:a81a8d6c1dfe 95 # define CONF_CLOCK_DFLL_LOOP_MODE SYSTEM_CLOCK_DFLL_LOOP_MODE_OPEN
mbed_official 15:a81a8d6c1dfe 96 # define CONF_CLOCK_DFLL_ON_DEMAND false
mbed_official 15:a81a8d6c1dfe 97
mbed_official 15:a81a8d6c1dfe 98 /* DFLL open loop mode configuration */
mbed_official 15:a81a8d6c1dfe 99 # define CONF_CLOCK_DFLL_FINE_VALUE (0xff / 4)
mbed_official 15:a81a8d6c1dfe 100
mbed_official 15:a81a8d6c1dfe 101 /* DFLL closed loop mode configuration */
mbed_official 15:a81a8d6c1dfe 102 # define CONF_CLOCK_DFLL_SOURCE_GCLK_GENERATOR GCLK_GENERATOR_1
mbed_official 15:a81a8d6c1dfe 103 # define CONF_CLOCK_DFLL_MULTIPLY_FACTOR 6
mbed_official 15:a81a8d6c1dfe 104 # define CONF_CLOCK_DFLL_QUICK_LOCK true
mbed_official 15:a81a8d6c1dfe 105 # define CONF_CLOCK_DFLL_TRACK_AFTER_FINE_LOCK true
mbed_official 15:a81a8d6c1dfe 106 # define CONF_CLOCK_DFLL_KEEP_LOCK_ON_WAKEUP true
mbed_official 15:a81a8d6c1dfe 107 # define CONF_CLOCK_DFLL_ENABLE_CHILL_CYCLE true
mbed_official 15:a81a8d6c1dfe 108 # define CONF_CLOCK_DFLL_MAX_COARSE_STEP_SIZE (0x1f / 4)
mbed_official 15:a81a8d6c1dfe 109 # define CONF_CLOCK_DFLL_MAX_FINE_STEP_SIZE (0xff / 4)
mbed_official 15:a81a8d6c1dfe 110
mbed_official 15:a81a8d6c1dfe 111 /* SYSTEM_CLOCK_SOURCE_DPLL configuration - Digital Phase-Locked Loop */
mbed_official 15:a81a8d6c1dfe 112 # define CONF_CLOCK_DPLL_ENABLE false
mbed_official 15:a81a8d6c1dfe 113 # define CONF_CLOCK_DPLL_ON_DEMAND true
mbed_official 15:a81a8d6c1dfe 114 # define CONF_CLOCK_DPLL_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 115 # define CONF_CLOCK_DPLL_LOCK_BYPASS false
mbed_official 15:a81a8d6c1dfe 116 # define CONF_CLOCK_DPLL_WAKE_UP_FAST false
mbed_official 15:a81a8d6c1dfe 117 # define CONF_CLOCK_DPLL_LOW_POWER_ENABLE false
mbed_official 15:a81a8d6c1dfe 118
mbed_official 15:a81a8d6c1dfe 119 # define CONF_CLOCK_DPLL_LOCK_TIME SYSTEM_CLOCK_SOURCE_DPLL_LOCK_TIME_DEFAULT
mbed_official 15:a81a8d6c1dfe 120 # define CONF_CLOCK_DPLL_REFERENCE_CLOCK SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_XOSC32K
mbed_official 15:a81a8d6c1dfe 121 # define CONF_CLOCK_DPLL_FILTER SYSTEM_CLOCK_SOURCE_DPLL_FILTER_DEFAULT
mbed_official 15:a81a8d6c1dfe 122
mbed_official 15:a81a8d6c1dfe 123 # define CONF_CLOCK_DPLL_REFERENCE_FREQUENCY 32768
mbed_official 15:a81a8d6c1dfe 124 # define CONF_CLOCK_DPLL_REFERENCE_DIVIDER 1
mbed_official 15:a81a8d6c1dfe 125 # define CONF_CLOCK_DPLL_OUTPUT_FREQUENCY 48000000
mbed_official 15:a81a8d6c1dfe 126
mbed_official 15:a81a8d6c1dfe 127 /* DPLL GCLK reference configuration */
mbed_official 15:a81a8d6c1dfe 128 # define CONF_CLOCK_DPLL_REFERENCE_GCLK_GENERATOR GCLK_GENERATOR_1
mbed_official 15:a81a8d6c1dfe 129 /* DPLL GCLK lock timer configuration */
mbed_official 15:a81a8d6c1dfe 130 # define CONF_CLOCK_DPLL_LOCK_GCLK_GENERATOR GCLK_GENERATOR_1
mbed_official 15:a81a8d6c1dfe 131
mbed_official 15:a81a8d6c1dfe 132 /* Set this to true to configure the GCLK when running clocks_init. If set to
mbed_official 15:a81a8d6c1dfe 133 * false, none of the GCLK generators will be configured in clocks_init(). */
mbed_official 15:a81a8d6c1dfe 134 # define CONF_CLOCK_CONFIGURE_GCLK true
mbed_official 15:a81a8d6c1dfe 135
mbed_official 15:a81a8d6c1dfe 136 /* Configure GCLK generator 0 (Main Clock) */
mbed_official 15:a81a8d6c1dfe 137 # define CONF_CLOCK_GCLK_0_ENABLE true
mbed_official 15:a81a8d6c1dfe 138 # define CONF_CLOCK_GCLK_0_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 139 # define CONF_CLOCK_GCLK_0_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 140 # define CONF_CLOCK_GCLK_0_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 141 # define CONF_CLOCK_GCLK_0_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 142
mbed_official 15:a81a8d6c1dfe 143 /* Configure GCLK generator 1 */
mbed_official 15:a81a8d6c1dfe 144 # define CONF_CLOCK_GCLK_1_ENABLE false
mbed_official 15:a81a8d6c1dfe 145 # define CONF_CLOCK_GCLK_1_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 146 # define CONF_CLOCK_GCLK_1_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 147 # define CONF_CLOCK_GCLK_1_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 148 # define CONF_CLOCK_GCLK_1_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 149
mbed_official 15:a81a8d6c1dfe 150 //! [gclk_settings]
mbed_official 15:a81a8d6c1dfe 151 /* Configure GCLK generator 2 (RTC) */
mbed_official 15:a81a8d6c1dfe 152 # define CONF_CLOCK_GCLK_2_ENABLE true
mbed_official 15:a81a8d6c1dfe 153 # define CONF_CLOCK_GCLK_2_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 154 # define CONF_CLOCK_GCLK_2_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC32K
mbed_official 15:a81a8d6c1dfe 155 # define CONF_CLOCK_GCLK_2_PRESCALER 32
mbed_official 15:a81a8d6c1dfe 156 # define CONF_CLOCK_GCLK_2_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 157 //! [gclk_settings]
mbed_official 15:a81a8d6c1dfe 158
mbed_official 15:a81a8d6c1dfe 159 /* Configure GCLK generator 3 */
mbed_official 15:a81a8d6c1dfe 160 # define CONF_CLOCK_GCLK_3_ENABLE false
mbed_official 15:a81a8d6c1dfe 161 # define CONF_CLOCK_GCLK_3_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 162 # define CONF_CLOCK_GCLK_3_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 163 # define CONF_CLOCK_GCLK_3_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 164 # define CONF_CLOCK_GCLK_3_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 165
mbed_official 15:a81a8d6c1dfe 166 /* Configure GCLK generator 4 */
mbed_official 15:a81a8d6c1dfe 167 # define CONF_CLOCK_GCLK_4_ENABLE false
mbed_official 15:a81a8d6c1dfe 168 # define CONF_CLOCK_GCLK_4_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 169 # define CONF_CLOCK_GCLK_4_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 170 # define CONF_CLOCK_GCLK_4_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 171 # define CONF_CLOCK_GCLK_4_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 172
mbed_official 15:a81a8d6c1dfe 173 /* Configure GCLK generator 5 */
mbed_official 15:a81a8d6c1dfe 174 # define CONF_CLOCK_GCLK_5_ENABLE false
mbed_official 15:a81a8d6c1dfe 175 # define CONF_CLOCK_GCLK_5_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 176 # define CONF_CLOCK_GCLK_5_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 177 # define CONF_CLOCK_GCLK_5_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 178 # define CONF_CLOCK_GCLK_5_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 179
mbed_official 15:a81a8d6c1dfe 180 /* Configure GCLK generator 6 */
mbed_official 15:a81a8d6c1dfe 181 # define CONF_CLOCK_GCLK_6_ENABLE false
mbed_official 15:a81a8d6c1dfe 182 # define CONF_CLOCK_GCLK_6_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 183 # define CONF_CLOCK_GCLK_6_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 184 # define CONF_CLOCK_GCLK_6_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 185 # define CONF_CLOCK_GCLK_6_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 186
mbed_official 15:a81a8d6c1dfe 187 /* Configure GCLK generator 7 */
mbed_official 15:a81a8d6c1dfe 188 # define CONF_CLOCK_GCLK_7_ENABLE false
mbed_official 15:a81a8d6c1dfe 189 # define CONF_CLOCK_GCLK_7_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 190 # define CONF_CLOCK_GCLK_7_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 191 # define CONF_CLOCK_GCLK_7_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 192 # define CONF_CLOCK_GCLK_7_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 193
mbed_official 15:a81a8d6c1dfe 194 /* Configure GCLK generator 8 */
mbed_official 15:a81a8d6c1dfe 195 # define CONF_CLOCK_GCLK_8_ENABLE false
mbed_official 15:a81a8d6c1dfe 196 # define CONF_CLOCK_GCLK_8_RUN_IN_STANDBY false
mbed_official 15:a81a8d6c1dfe 197 # define CONF_CLOCK_GCLK_8_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
mbed_official 15:a81a8d6c1dfe 198 # define CONF_CLOCK_GCLK_8_PRESCALER 1
mbed_official 15:a81a8d6c1dfe 199 # define CONF_CLOCK_GCLK_8_OUTPUT_ENABLE false
mbed_official 15:a81a8d6c1dfe 200
mbed_official 15:a81a8d6c1dfe 201 #endif /* CONF_CLOCKS_H_INCLUDED */
mbed_official 15:a81a8d6c1dfe 202