mbed library sources
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Diff: targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_K64F/device/MK64F12/system_MK64F12.h
- Revision:
- 146:f64d43ff0c18
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_K64F/device/MK64F12/system_MK64F12.h Wed Apr 02 21:00:08 2014 +0100 @@ -0,0 +1,169 @@ +/* +** ################################################################### +** Processor: MK64FN1M0VMD12 +** Compilers: ARM Compiler +** Freescale C/C++ for Embedded ARM +** GNU C Compiler +** GNU C Compiler - CodeSourcery Sourcery G++ +** IAR ANSI C/C++ Compiler for ARM +** +** Reference manual: K64P144M120SF5RM, Rev.2, January 2014 +** Version: rev. 2.3, 2014-01-24 +** +** Abstract: +** Provides a system configuration function and a global variable that +** contains the system frequency. It configures the device and initializes +** the oscillator (PLL) that is part of the microcontroller device. +** +** Copyright: 2014 Freescale, Inc. All Rights Reserved. +** +** http: www.freescale.com +** mail: support@freescale.com +** +** Revisions: +** - rev. 1.0 (2013-08-12) +** Initial version. +** - rev. 2.0 (2013-10-29) +** Register accessor macros added to the memory map. +** Symbols for Processor Expert memory map compatibility added to the memory map. +** Startup file for gcc has been updated according to CMSIS 3.2. +** System initialization updated. +** MCG - registers updated. +** PORTA, PORTB, PORTC, PORTE - registers for digital filter removed. +** - rev. 2.1 (2013-10-29) +** Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled. +** - rev. 2.2 (2013-12-09) +** DMA - EARS register removed. +** AIPS0, AIPS1 - MPRA register updated. +** - rev. 2.3 (2014-01-24) +** Update according to reference manual rev. 2 +** ENET, MCG, MCM, SIM, USB - registers updated +** +** ################################################################### +*/ + +/*! + * @file MK64F12 + * @version 2.3 + * @date 2014-01-24 + * @brief Device specific configuration file for MK64F12 (header file) + * + * Provides a system configuration function and a global variable that contains + * the system frequency. It configures the device and initializes the oscillator + * (PLL) that is part of the microcontroller device. + */ + +#ifndef SYSTEM_MK64F12_H_ +#define SYSTEM_MK64F12_H_ /**< Symbol preventing repeated inclusion */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> + +#define DISABLE_WDOG 1 + +#ifndef CLOCK_SETUP +#define CLOCK_SETUP 4 +#endif +/* Predefined clock setups + 0 ... Multipurpose Clock Generator (MCG) in FLL Engaged Internal (FEI) mode + Default part configuration. + Reference clock source for MCG module is the slow internal clock source 32.768kHz + Core clock = 20.97MHz, BusClock = 20.97MHz + 1 ... Multipurpose Clock Generator (MCG) in PLL Engaged External (PEE) mode + Maximum achievable clock frequency configuration. + Reference clock source for MCG module is an external clock source 50MHz + Core clock = 120MHz, BusClock = 60MHz + 2 ... Multipurpose Clock Generator (MCG) in Bypassed Low Power Internal (BLPI) mode + Core clock/Bus clock derived directly from an fast internal clock 4MHz with no multiplication + The clock settings is ready for Very Low Power Run mode. + Core clock = 4MHz, BusClock = 4MHz + 3 ... Multipurpose Clock Generator (MCG) in Bypassed Low Power External (BLPE) mode + Core clock/Bus clock derived directly from the RTC oscillator clock source 32.768kHz + The clock settings is ready for Very Low Power Run mode. + Core clock = 32.768kHz, BusClock = 32.768kHz + 4 ... Multipurpose Clock Generator (MCG) in PLL Engaged External (PEE) mode + USB clock setup + USB clock divider is set for USB to receive 48MHz input clock. + Reference clock source for MCG module is an external clock source 50MHz + USB clock divider is set for USB to receive 48MHz input clock. + Core clock = 120MHz, BusClock = 60MHz +*/ + +/*---------------------------------------------------------------------------- + Define clock source values + *----------------------------------------------------------------------------*/ +#if (CLOCK_SETUP == 0) + #define CPU_XTAL_CLK_HZ 50000000u /* Value of the external crystal or oscillator clock frequency in Hz */ + #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ + #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ + #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ + #define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */ + #define DEFAULT_SYSTEM_CLOCK 20485760u /* Default System clock value */ +#elif (CLOCK_SETUP == 1) + #define CPU_XTAL_CLK_HZ 50000000u /* Value of the external crystal or oscillator clock frequency in Hz */ + #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ + #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ + #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ + #define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */ + #define DEFAULT_SYSTEM_CLOCK 120000000u /* Default System clock value */ +#elif (CLOCK_SETUP == 2) + #define CPU_XTAL_CLK_HZ 50000000u /* Value of the external crystal or oscillator clock frequency in Hz */ + #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ + #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ + #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ + #define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */ + #define DEFAULT_SYSTEM_CLOCK 4000000u /* Default System clock value */ +#elif (CLOCK_SETUP == 3) + #define CPU_XTAL_CLK_HZ 50000000u /* Value of the external crystal or oscillator clock frequency in Hz */ + #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ + #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ + #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ + #define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */ + #define DEFAULT_SYSTEM_CLOCK 32768u /* Default System clock value */ +#elif (CLOCK_SETUP == 4) + #define CPU_XTAL_CLK_HZ 50000000u /* Value of the external crystal or oscillator clock frequency in Hz */ + #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ + #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ + #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ + #define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */ + #define DEFAULT_SYSTEM_CLOCK 120000000u /* Default System clock value */ +#endif /* (CLOCK_SETUP == 4) */ + + +/** + * @brief System clock frequency (core clock) + * + * The system clock frequency supplied to the SysTick timer and the processor + * core clock. This variable can be used by the user application to setup the + * SysTick timer or configure other parameters. It may also be used by debugger to + * query the frequency of the debug timer or configure the trace clock speed + * SystemCoreClock is initialized with a correct predefined value. + */ +extern uint32_t SystemCoreClock; + +/** + * @brief Setup the microcontroller system. + * + * Typically this function configures the oscillator (PLL) that is part of the + * microcontroller device. For systems with variable clock speed it also updates + * the variable SystemCoreClock. SystemInit is called from startup_device file. + */ +void SystemInit (void); + +/** + * @brief Updates the SystemCoreClock variable. + * + * It must be called whenever the core clock is changed during program + * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates + * the current core clock. + */ +void SystemCoreClockUpdate (void); + +#ifdef __cplusplus +} +#endif + +#endif /* #if !defined(SYSTEM_MK64F12_H_) */