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189 lines
8.9 KiB
C
189 lines
8.9 KiB
C
/**
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* \file
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*
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* \brief SAM D21 Clock configuration
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*
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* Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Subject to your compliance with these terms, you may use Microchip
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* software and any derivatives exclusively with Microchip products.
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* It is your responsibility to comply with third party license terms applicable
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* to your use of third party software (including open source software) that
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* may accompany Microchip software.
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*
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* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
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* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
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* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
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* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
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* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
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* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
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* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
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* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
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* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
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*
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* \asf_license_stop
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*
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*/
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/*
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* Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
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*/
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#include <clock.h>
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#ifndef CONF_CLOCKS_H_INCLUDED
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# define CONF_CLOCKS_H_INCLUDED
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/* System clock bus configuration */
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# define CONF_CLOCK_CPU_CLOCK_FAILURE_DETECT false
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# define CONF_CLOCK_FLASH_WAIT_STATES 0
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# define CONF_CLOCK_CPU_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
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# define CONF_CLOCK_APBA_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
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# define CONF_CLOCK_APBB_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
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# define CONF_CLOCK_APBC_DIVIDER SYSTEM_MAIN_CLOCK_DIV_1
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/* SYSTEM_CLOCK_SOURCE_OSC8M configuration - Internal 8MHz oscillator */
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# define CONF_CLOCK_OSC8M_PRESCALER SYSTEM_OSC8M_DIV_1
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# define CONF_CLOCK_OSC8M_ON_DEMAND true
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# define CONF_CLOCK_OSC8M_RUN_IN_STANDBY false
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/* SYSTEM_CLOCK_SOURCE_XOSC configuration - External clock/oscillator */
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# define CONF_CLOCK_XOSC_ENABLE false
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# define CONF_CLOCK_XOSC_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL
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# define CONF_CLOCK_XOSC_EXTERNAL_FREQUENCY 12000000UL
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# define CONF_CLOCK_XOSC_STARTUP_TIME SYSTEM_XOSC_STARTUP_32768
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# define CONF_CLOCK_XOSC_AUTO_GAIN_CONTROL true
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# define CONF_CLOCK_XOSC_ON_DEMAND true
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# define CONF_CLOCK_XOSC_RUN_IN_STANDBY false
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/* SYSTEM_CLOCK_SOURCE_XOSC32K configuration - External 32KHz crystal/clock oscillator */
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# define CONF_CLOCK_XOSC32K_ENABLE false
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# define CONF_CLOCK_XOSC32K_EXTERNAL_CRYSTAL SYSTEM_CLOCK_EXTERNAL_CRYSTAL
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# define CONF_CLOCK_XOSC32K_STARTUP_TIME SYSTEM_XOSC32K_STARTUP_65536
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# define CONF_CLOCK_XOSC32K_AUTO_AMPLITUDE_CONTROL false
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# define CONF_CLOCK_XOSC32K_ENABLE_1KHZ_OUPUT false
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# define CONF_CLOCK_XOSC32K_ENABLE_32KHZ_OUTPUT true
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# define CONF_CLOCK_XOSC32K_ON_DEMAND true
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# define CONF_CLOCK_XOSC32K_RUN_IN_STANDBY false
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/* SYSTEM_CLOCK_SOURCE_OSC32K configuration - Internal 32KHz oscillator */
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# define CONF_CLOCK_OSC32K_ENABLE false
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# define CONF_CLOCK_OSC32K_STARTUP_TIME SYSTEM_OSC32K_STARTUP_130
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# define CONF_CLOCK_OSC32K_ENABLE_1KHZ_OUTPUT true
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# define CONF_CLOCK_OSC32K_ENABLE_32KHZ_OUTPUT true
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# define CONF_CLOCK_OSC32K_ON_DEMAND true
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# define CONF_CLOCK_OSC32K_RUN_IN_STANDBY false
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/* SYSTEM_CLOCK_SOURCE_DFLL configuration - Digital Frequency Locked Loop */
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# define CONF_CLOCK_DFLL_ENABLE false
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# define CONF_CLOCK_DFLL_LOOP_MODE SYSTEM_CLOCK_DFLL_LOOP_MODE_OPEN
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# define CONF_CLOCK_DFLL_ON_DEMAND false
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/* DFLL open loop mode configuration */
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# define CONF_CLOCK_DFLL_FINE_VALUE (512)
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/* DFLL closed loop mode configuration */
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# define CONF_CLOCK_DFLL_SOURCE_GCLK_GENERATOR GCLK_GENERATOR_1
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# define CONF_CLOCK_DFLL_MULTIPLY_FACTOR (48000000 / 32768)
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# define CONF_CLOCK_DFLL_QUICK_LOCK true
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# define CONF_CLOCK_DFLL_TRACK_AFTER_FINE_LOCK true
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# define CONF_CLOCK_DFLL_KEEP_LOCK_ON_WAKEUP true
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# define CONF_CLOCK_DFLL_ENABLE_CHILL_CYCLE true
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# define CONF_CLOCK_DFLL_MAX_COARSE_STEP_SIZE (0x1f / 4)
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# define CONF_CLOCK_DFLL_MAX_FINE_STEP_SIZE (0xff / 4)
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/* SYSTEM_CLOCK_SOURCE_DPLL configuration - Digital Phase-Locked Loop */
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# define CONF_CLOCK_DPLL_ENABLE false
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# define CONF_CLOCK_DPLL_ON_DEMAND true
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# define CONF_CLOCK_DPLL_RUN_IN_STANDBY false
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# define CONF_CLOCK_DPLL_LOCK_BYPASS false
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# define CONF_CLOCK_DPLL_WAKE_UP_FAST false
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# define CONF_CLOCK_DPLL_LOW_POWER_ENABLE false
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# define CONF_CLOCK_DPLL_LOCK_TIME SYSTEM_CLOCK_SOURCE_DPLL_LOCK_TIME_DEFAULT
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# define CONF_CLOCK_DPLL_REFERENCE_CLOCK SYSTEM_CLOCK_SOURCE_DPLL_REFERENCE_CLOCK_XOSC32K
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# define CONF_CLOCK_DPLL_FILTER SYSTEM_CLOCK_SOURCE_DPLL_FILTER_DEFAULT
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# define CONF_CLOCK_DPLL_REFERENCE_FREQUENCY 32768
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# define CONF_CLOCK_DPLL_REFERENCE_DIVIDER 1
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# define CONF_CLOCK_DPLL_OUTPUT_FREQUENCY 48000000
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/* DPLL GCLK reference configuration */
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# define CONF_CLOCK_DPLL_REFERENCE_GCLK_GENERATOR GCLK_GENERATOR_1
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/* DPLL GCLK lock timer configuration */
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# define CONF_CLOCK_DPLL_LOCK_GCLK_GENERATOR GCLK_GENERATOR_1
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/* Set this to true to configure the GCLK when running clocks_init. If set to
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* false, none of the GCLK generators will be configured in clocks_init(). */
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# define CONF_CLOCK_CONFIGURE_GCLK true
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/* Configure GCLK generator 0 (Main Clock) */
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# define CONF_CLOCK_GCLK_0_ENABLE true
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# define CONF_CLOCK_GCLK_0_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_0_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
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# define CONF_CLOCK_GCLK_0_PRESCALER 1
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# define CONF_CLOCK_GCLK_0_OUTPUT_ENABLE false
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/* Configure GCLK generator 1 */
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# define CONF_CLOCK_GCLK_1_ENABLE false
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# define CONF_CLOCK_GCLK_1_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_1_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_XOSC32K
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# define CONF_CLOCK_GCLK_1_PRESCALER 1
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# define CONF_CLOCK_GCLK_1_OUTPUT_ENABLE false
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/* Configure GCLK generator 2 (RTC) */
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# define CONF_CLOCK_GCLK_2_ENABLE false
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# define CONF_CLOCK_GCLK_2_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_2_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC32K
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# define CONF_CLOCK_GCLK_2_PRESCALER 32
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# define CONF_CLOCK_GCLK_2_OUTPUT_ENABLE false
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/* Configure GCLK generator 3 */
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# define CONF_CLOCK_GCLK_3_ENABLE false
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# define CONF_CLOCK_GCLK_3_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_3_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
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# define CONF_CLOCK_GCLK_3_PRESCALER 1
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# define CONF_CLOCK_GCLK_3_OUTPUT_ENABLE false
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/* Configure GCLK generator 4 */
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# define CONF_CLOCK_GCLK_4_ENABLE false
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# define CONF_CLOCK_GCLK_4_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_4_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
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# define CONF_CLOCK_GCLK_4_PRESCALER 1
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# define CONF_CLOCK_GCLK_4_OUTPUT_ENABLE false
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/* Configure GCLK generator 5 */
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# define CONF_CLOCK_GCLK_5_ENABLE false
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# define CONF_CLOCK_GCLK_5_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_5_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
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# define CONF_CLOCK_GCLK_5_PRESCALER 1
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# define CONF_CLOCK_GCLK_5_OUTPUT_ENABLE false
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/* Configure GCLK generator 6 */
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# define CONF_CLOCK_GCLK_6_ENABLE false
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# define CONF_CLOCK_GCLK_6_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_6_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
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# define CONF_CLOCK_GCLK_6_PRESCALER 1
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# define CONF_CLOCK_GCLK_6_OUTPUT_ENABLE false
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/* Configure GCLK generator 7 */
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# define CONF_CLOCK_GCLK_7_ENABLE false
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# define CONF_CLOCK_GCLK_7_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_7_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
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# define CONF_CLOCK_GCLK_7_PRESCALER 1
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# define CONF_CLOCK_GCLK_7_OUTPUT_ENABLE false
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/* Configure GCLK generator 8 */
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# define CONF_CLOCK_GCLK_8_ENABLE false
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# define CONF_CLOCK_GCLK_8_RUN_IN_STANDBY false
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# define CONF_CLOCK_GCLK_8_CLOCK_SOURCE SYSTEM_CLOCK_SOURCE_OSC8M
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# define CONF_CLOCK_GCLK_8_PRESCALER 1
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# define CONF_CLOCK_GCLK_8_OUTPUT_ENABLE false
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#endif /* CONF_CLOCKS_H_INCLUDED */
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