/** * \file * * \brief Clock system configuration * * Copyright (c) 2011-2012 Atmel Corporation. All rights reserved. * * \asf_license_start * * \page License * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The name of Atmel may not be used to endorse or promote products derived * from this software without specific prior written permission. * * 4. This software may only be redistributed and used in connection with an * Atmel microcontroller product. * * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * \asf_license_stop * */ #ifndef CONF_CLOCK_H_INCLUDED #define CONF_CLOCK_H_INCLUDED //! Configuration using On-Chip RC oscillator at 48MHz //! The RC oscillator is calibrated via USB Start Of Frame //! Clk USB = 48MHz (used by USB) //! Clk sys = 48MHz //! Clk cpu/per = 24MHz #define CONFIG_USBCLK_SOURCE USBCLK_SRC_RCOSC #define CONFIG_OSC_RC32_CAL 48000000UL #define CONFIG_OSC_AUTOCAL_RC32MHZ_REF_OSC OSC_ID_USBSOF #define CONFIG_SYSCLK_SOURCE SYSCLK_SRC_RC32MHZ #define CONFIG_SYSCLK_PSADIV SYSCLK_PSADIV_2 #define CONFIG_SYSCLK_PSBCDIV SYSCLK_PSBCDIV_1_1 #endif /* CONF_CLOCK_H_INCLUDED */