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Last commit 20 Feb 2019 by 
mbed official
targets/hal/TARGET_Atmel/config/conf_clocks.h@579:53297373a894, 2015-07-01 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Jul 01 09:45:11 2015 +0100
- Revision:
- 579:53297373a894
- Child:
- 592:a274ee790e56
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081
Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/
Initial version of drivers for SAMR21
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 579:53297373a894 | 1 | /** |
| mbed_official | 579:53297373a894 | 2 | * \file |
| mbed_official | 579:53297373a894 | 3 | * |
| mbed_official | 579:53297373a894 | 4 | * \brief SAM R21 Clock configuration |
| mbed_official | 579:53297373a894 | 5 | * |
| mbed_official | 579:53297373a894 | 6 | * Copyright (C) 2014 Atmel Corporation. All rights reserved. |
| mbed_official | 579:53297373a894 | 7 | * |
| mbed_official | 579:53297373a894 | 8 | * \asf_license_start |
| mbed_official | 579:53297373a894 | 9 | * |
| mbed_official | 579:53297373a894 | 10 | * \page License |
| mbed_official | 579:53297373a894 | 11 | * |
| mbed_official | 579:53297373a894 | 12 | * Redistribution and use in source and binary forms, with or without |
| mbed_official | 579:53297373a894 | 13 | * modification, are permitted provided that the following conditions are met: |
| mbed_official | 579:53297373a894 | 14 | * |
| mbed_official | 579:53297373a894 | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 579:53297373a894 | 16 | * this list of conditions and the following disclaimer. |
| mbed_official | 579:53297373a894 | 17 | * |
| mbed_official | 579:53297373a894 | 18 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 579:53297373a894 | 19 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 579:53297373a894 | 20 | * and/or other materials provided with the distribution. |
| mbed_official | 579:53297373a894 | 21 | * |
| mbed_official | 579:53297373a894 | 22 | * 3. The name of Atmel may not be used to endorse or promote products derived |
| mbed_official | 579:53297373a894 | 23 | * from this software without specific prior written permission. |
| mbed_official | 579:53297373a894 | 24 | * |
| mbed_official | 579:53297373a894 | 25 | * 4. This software may only be redistributed and used in connection with an |
| mbed_official | 579:53297373a894 | 26 | * Atmel microcontroller product. |
| mbed_official | 579:53297373a894 | 27 | * |
| mbed_official | 579:53297373a894 | 28 | * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED |
| mbed_official | 579:53297373a894 | 29 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| mbed_official | 579:53297373a894 | 30 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| mbed_official | 579:53297373a894 | 31 | * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR |
| mbed_official | 579:53297373a894 | 32 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 579:53297373a894 | 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| mbed_official | 579:53297373a894 | 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| mbed_official | 579:53297373a894 | 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| mbed_official | 579:53297373a894 | 36 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| mbed_official | 579:53297373a894 | 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| mbed_official | 579:53297373a894 | 38 | * POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 579:53297373a894 | 39 | * |
| mbed_official | 579:53297373a894 | 40 | * \asf_license_stop |
| mbed_official | 579:53297373a894 | 41 | * |
| mbed_official | 579:53297373a894 | 42 | */ |
| mbed_official | 579:53297373a894 | 43 | /** |
| mbed_official | 579:53297373a894 | 44 | * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> |
| mbed_official | 579:53297373a894 | 45 | */ |
| mbed_official | 579:53297373a894 | 46 | #include <clock.h> |
| mbed_official | 579:53297373a894 | 47 | |
| mbed_official | 579:53297373a894 | 48 | #ifndef CONF_CLOCKS_H_INCLUDED |
| mbed_official | 579:53297373a894 | 49 | # define CONF_CLOCKS_H_INCLUDED |
| mbed_official | 579:53297373a894 | 50 | |
| mbed_official | 579:53297373a894 | 51 | /* System clock bus configuration */ |
| mbed_official | 579:53297373a894 | 52 | # define CONF_CLOCK_CPU_CLOCK_FAILURE_DETECT false |
| mbed_official | 579:53297373a894 | 53 | # define CONF_CLOCK_FLASH_WAIT_STATES 0 |
| mbed_official | 579:53297373a894 | 54 | # define CONF_CLOCK_CPU_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1 |
| mbed_official | 579:53297373a894 | 55 | # define CONF_CLOCK_APBA_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1 |
| mbed_official | 579:53297373a894 | 56 | # define CONF_CLOCK_APBB_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1 |
| mbed_official | 579:53297373a894 | 57 | |
| mbed_official | 579:53297373a894 | 58 | /* SYSTEM_CLOCK_SOURCE_OSC8M configuration - Internal 8MHz oscillator */ |
| mbed_official | 579:53297373a894 | 59 | # define CONF_CLOCK_OSC8M_PRESCALER SYSTEM_OSC8M_DIV_1 |
| mbed_official | 579:53297373a894 | 60 | # define CONF_CLOCK_OSC8M_ON_DEMAND true |
| mbed_official | 579:53297373a894 | 61 | # define CONF_CLOCK_OSC8M_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 62 | |
| mbed_official | 579:53297373a894 | 63 | /* SYSTEM_CLOCK_SOURCE_XOSC configuration - External clock/oscillator */ |
| mbed_official | 579:53297373a894 | 64 | # define CONF_CLOCK_XOSC_ENABLE false |
| mbed_official | 579:53297373a894 | 65 | # define CONF_CLOCK_XOSC_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL |
| mbed_official | 579:53297373a894 | 66 | # define CONF_CLOCK_XOSC_EXTERNAL_FREQUENCY 12000000UL |
| mbed_official | 579:53297373a894 | 67 | # define CONF_CLOCK_XOSC_STARTUP_TIME SYSTEM_XOSC_STARTUP_32768 |
| mbed_official | 579:53297373a894 | 68 | # define CONF_CLOCK_XOSC_AUTO_GAIN_CONTROL true |
| mbed_official | 579:53297373a894 | 69 | # define CONF_CLOCK_XOSC_ON_DEMAND true |
| mbed_official | 579:53297373a894 | 70 | # define CONF_CLOCK_XOSC_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 71 | |
| mbed_official | 579:53297373a894 | 72 | /* SYSTEM_CLOCK_SOURCE_XOSC32K configuration - External 32KHz crystal/clock oscillator */ |
| mbed_official | 579:53297373a894 | 73 | # define CONF_CLOCK_XOSC32K_ENABLE false |
| mbed_official | 579:53297373a894 | 74 | # define CONF_CLOCK_XOSC32K_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL |
| mbed_official | 579:53297373a894 | 75 | # define CONF_CLOCK_XOSC32K_STARTUP_TIME SYSTEM_XOSC32K_STARTUP_65536 |
| mbed_official | 579:53297373a894 | 76 | # define CONF_CLOCK_XOSC32K_AUTO_AMPLITUDE_CONTROL false |
| mbed_official | 579:53297373a894 | 77 | # define CONF_CLOCK_XOSC32K_ENABLE_1KHZ_OUPUT false |
| mbed_official | 579:53297373a894 | 78 | # define CONF_CLOCK_XOSC32K_ENABLE_32KHZ_OUTPUT true |
| mbed_official | 579:53297373a894 | 79 | # define CONF_CLOCK_XOSC32K_ON_DEMAND true |
| mbed_official | 579:53297373a894 | 80 | # define CONF_CLOCK_XOSC32K_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 81 | |
| mbed_official | 579:53297373a894 | 82 | /* SYSTEM_CLOCK_SOURCE_OSC32K configuration - Internal 32KHz oscillator */ |
| mbed_official | 579:53297373a894 | 83 | # define CONF_CLOCK_OSC32K_ENABLE false |
| mbed_official | 579:53297373a894 | 84 | # define CONF_CLOCK_OSC32K_STARTUP_TIME SYSTEM_OSC32K_STARTUP_130 |
| mbed_official | 579:53297373a894 | 85 | # define CONF_CLOCK_OSC32K_ENABLE_1KHZ_OUTPUT true |
| mbed_official | 579:53297373a894 | 86 | # define CONF_CLOCK_OSC32K_ENABLE_32KHZ_OUTPUT true |
| mbed_official | 579:53297373a894 | 87 | # define CONF_CLOCK_OSC32K_ON_DEMAND true |
| mbed_official | 579:53297373a894 | 88 | # define CONF_CLOCK_OSC32K_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 89 | |
| mbed_official | 579:53297373a894 | 90 | /* SYSTEM_CLOCK_SOURCE_DFLL configuration - Digital Frequency Locked Loop */ |
| mbed_official | 579:53297373a894 | 91 | # define CONF_CLOCK_DFLL_ENABLE false |
| mbed_official | 579:53297373a894 | 92 | # define CONF_CLOCK_DFLL_LOOP_MODE SYSTEM_CLOCK_DFLL_LOOP_MODE_OPEN |
| mbed_official | 579:53297373a894 | 93 | # define CONF_CLOCK_DFLL_ON_DEMAND false |
| mbed_official | 579:53297373a894 | 94 | |
| mbed_official | 579:53297373a894 | 95 | /* DFLL open loop mode configuration */ |
| mbed_official | 579:53297373a894 | 96 | # define CONF_CLOCK_DFLL_COARSE_VALUE (0x1f / 4) |
| mbed_official | 579:53297373a894 | 97 | # define CONF_CLOCK_DFLL_FINE_VALUE (0xff / 4) |
| mbed_official | 579:53297373a894 | 98 | |
| mbed_official | 579:53297373a894 | 99 | /* DFLL closed loop mode configuration */ |
| mbed_official | 579:53297373a894 | 100 | # define CONF_CLOCK_DFLL_SOURCE_GCLK_GENERATOR GCLK_GENERATOR_1 |
| mbed_official | 579:53297373a894 | 101 | # define CONF_CLOCK_DFLL_MULTIPLY_FACTOR 6 |
| mbed_official | 579:53297373a894 | 102 | # define CONF_CLOCK_DFLL_QUICK_LOCK true |
| mbed_official | 579:53297373a894 | 103 | # define CONF_CLOCK_DFLL_TRACK_AFTER_FINE_LOCK true |
| mbed_official | 579:53297373a894 | 104 | # define CONF_CLOCK_DFLL_KEEP_LOCK_ON_WAKEUP true |
| mbed_official | 579:53297373a894 | 105 | # define CONF_CLOCK_DFLL_ENABLE_CHILL_CYCLE true |
| mbed_official | 579:53297373a894 | 106 | # define CONF_CLOCK_DFLL_MAX_COARSE_STEP_SIZE (0x1f / 4) |
| mbed_official | 579:53297373a894 | 107 | # define CONF_CLOCK_DFLL_MAX_FINE_STEP_SIZE (0xff / 4) |
| mbed_official | 579:53297373a894 | 108 | |
| mbed_official | 579:53297373a894 | 109 | /* SYSTEM_CLOCK_SOURCE_DPLL configuration - Digital Phase-Locked Loop */ |
| mbed_official | 579:53297373a894 | 110 | # define CONF_CLOCK_DPLL_ENABLE false |
| mbed_official | 579:53297373a894 | 111 | # define CONF_CLOCK_DPLL_ON_DEMAND true |
| mbed_official | 579:53297373a894 | 112 | # define CONF_CLOCK_DPLL_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 113 | # define CONF_CLOCK_DPLL_LOCK_BYPASS false |
| mbed_official | 579:53297373a894 | 114 | # define CONF_CLOCK_DPLL_WAKE_UP_FAST false |
| mbed_official | 579:53297373a894 | 115 | # define CONF_CLOCK_DPLL_LOW_POWER_ENABLE false |
| mbed_official | 579:53297373a894 | 116 | |
| mbed_official | 579:53297373a894 | 117 | # define CONF_CLOCK_DPLL_LOCK_TIME SYSTEM_CLOCK_SOURCE_DPLL_LOCK_TIME_NO_TIMEOUT |
| mbed_official | 579:53297373a894 | 118 | # define CONF_CLOCK_DPLL_REFERENCE_CLOCK SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_REF0 |
| mbed_official | 579:53297373a894 | 119 | # define CONF_CLOCK_DPLL_FILTER SYSTEM_CLOCK_SOURCE_DPLL_FILTER_DEFAULT |
| mbed_official | 579:53297373a894 | 120 | |
| mbed_official | 579:53297373a894 | 121 | # define CONF_CLOCK_DPLL_REFERENCE_FREQUENCY 32768 |
| mbed_official | 579:53297373a894 | 122 | # define CONF_CLOCK_DPLL_REFEREMCE_DIVIDER 1 |
| mbed_official | 579:53297373a894 | 123 | # define CONF_CLOCK_DPLL_OUTPUT_FREQUENCY 48000000 |
| mbed_official | 579:53297373a894 | 124 | |
| mbed_official | 579:53297373a894 | 125 | /* Set this to true to configure the GCLK when running clocks_init. If set to |
| mbed_official | 579:53297373a894 | 126 | * false, none of the GCLK generators will be configured in clocks_init(). */ |
| mbed_official | 579:53297373a894 | 127 | # define CONF_CLOCK_CONFIGURE_GCLK true |
| mbed_official | 579:53297373a894 | 128 | |
| mbed_official | 579:53297373a894 | 129 | /* Configure GCLK generator 0 (Main Clock) */ |
| mbed_official | 579:53297373a894 | 130 | # define CONF_CLOCK_GCLK_0_ENABLE true |
| mbed_official | 579:53297373a894 | 131 | # define CONF_CLOCK_GCLK_0_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 132 | # define CONF_CLOCK_GCLK_0_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M |
| mbed_official | 579:53297373a894 | 133 | # define CONF_CLOCK_GCLK_0_PRESCALER 1 |
| mbed_official | 579:53297373a894 | 134 | # define CONF_CLOCK_GCLK_0_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 135 | |
| mbed_official | 579:53297373a894 | 136 | /* Configure GCLK generator 1 */ |
| mbed_official | 579:53297373a894 | 137 | # define CONF_CLOCK_GCLK_1_ENABLE false |
| mbed_official | 579:53297373a894 | 138 | # define CONF_CLOCK_GCLK_1_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 139 | # define CONF_CLOCK_GCLK_1_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M |
| mbed_official | 579:53297373a894 | 140 | # define CONF_CLOCK_GCLK_1_PRESCALER 1 |
| mbed_official | 579:53297373a894 | 141 | # define CONF_CLOCK_GCLK_1_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 142 | |
| mbed_official | 579:53297373a894 | 143 | /* Configure GCLK generator 2 (RTC) */ |
| mbed_official | 579:53297373a894 | 144 | # define CONF_CLOCK_GCLK_2_ENABLE false |
| mbed_official | 579:53297373a894 | 145 | # define CONF_CLOCK_GCLK_2_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 146 | # define CONF_CLOCK_GCLK_2_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC32K |
| mbed_official | 579:53297373a894 | 147 | # define CONF_CLOCK_GCLK_2_PRESCALER 32 |
| mbed_official | 579:53297373a894 | 148 | # define CONF_CLOCK_GCLK_2_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 149 | |
| mbed_official | 579:53297373a894 | 150 | /* Configure GCLK generator 3 */ |
| mbed_official | 579:53297373a894 | 151 | # define CONF_CLOCK_GCLK_3_ENABLE false |
| mbed_official | 579:53297373a894 | 152 | # define CONF_CLOCK_GCLK_3_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 153 | # define CONF_CLOCK_GCLK_3_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M |
| mbed_official | 579:53297373a894 | 154 | # define CONF_CLOCK_GCLK_3_PRESCALER 1 |
| mbed_official | 579:53297373a894 | 155 | # define CONF_CLOCK_GCLK_3_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 156 | |
| mbed_official | 579:53297373a894 | 157 | /* Configure GCLK generator 4 */ |
| mbed_official | 579:53297373a894 | 158 | # define CONF_CLOCK_GCLK_4_ENABLE false |
| mbed_official | 579:53297373a894 | 159 | # define CONF_CLOCK_GCLK_4_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 160 | # define CONF_CLOCK_GCLK_4_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M |
| mbed_official | 579:53297373a894 | 161 | # define CONF_CLOCK_GCLK_4_PRESCALER 1 |
| mbed_official | 579:53297373a894 | 162 | # define CONF_CLOCK_GCLK_4_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 163 | |
| mbed_official | 579:53297373a894 | 164 | /* Configure GCLK generator 5 */ |
| mbed_official | 579:53297373a894 | 165 | # define CONF_CLOCK_GCLK_5_ENABLE false |
| mbed_official | 579:53297373a894 | 166 | # define CONF_CLOCK_GCLK_5_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 167 | # define CONF_CLOCK_GCLK_5_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M |
| mbed_official | 579:53297373a894 | 168 | # define CONF_CLOCK_GCLK_5_PRESCALER 1 |
| mbed_official | 579:53297373a894 | 169 | # define CONF_CLOCK_GCLK_5_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 170 | |
| mbed_official | 579:53297373a894 | 171 | /* Configure GCLK generator 6 */ |
| mbed_official | 579:53297373a894 | 172 | # define CONF_CLOCK_GCLK_6_ENABLE false |
| mbed_official | 579:53297373a894 | 173 | # define CONF_CLOCK_GCLK_6_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 174 | # define CONF_CLOCK_GCLK_6_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M |
| mbed_official | 579:53297373a894 | 175 | # define CONF_CLOCK_GCLK_6_PRESCALER 1 |
| mbed_official | 579:53297373a894 | 176 | # define CONF_CLOCK_GCLK_6_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 177 | |
| mbed_official | 579:53297373a894 | 178 | /* Configure GCLK generator 7 */ |
| mbed_official | 579:53297373a894 | 179 | # define CONF_CLOCK_GCLK_7_ENABLE false |
| mbed_official | 579:53297373a894 | 180 | # define CONF_CLOCK_GCLK_7_RUN_IN_STANDBY false |
| mbed_official | 579:53297373a894 | 181 | # define CONF_CLOCK_GCLK_7_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M |
| mbed_official | 579:53297373a894 | 182 | # define CONF_CLOCK_GCLK_7_PRESCALER 1 |
| mbed_official | 579:53297373a894 | 183 | # define CONF_CLOCK_GCLK_7_OUTPUT_ENABLE false |
| mbed_official | 579:53297373a894 | 184 | |
| mbed_official | 579:53297373a894 | 185 | #endif /* CONF_CLOCKS_H_INCLUDED */ |
| mbed_official | 579:53297373a894 | 186 |
