Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL46Z/system_MKL46Z4.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /*
<> 144:ef7eb2e8f9f7 2 ** ###################################################################
<> 144:ef7eb2e8f9f7 3 ** Processors: MKL46Z256VLH4
<> 144:ef7eb2e8f9f7 4 ** MKL46Z128VLH4
<> 144:ef7eb2e8f9f7 5 ** MKL46Z256VLL4
<> 144:ef7eb2e8f9f7 6 ** MKL46Z128VLL4
<> 144:ef7eb2e8f9f7 7 ** MKL46Z256VMC4
<> 144:ef7eb2e8f9f7 8 ** MKL46Z128VMC4
<> 144:ef7eb2e8f9f7 9 **
<> 144:ef7eb2e8f9f7 10 ** Compilers: ARM Compiler
<> 144:ef7eb2e8f9f7 11 ** Freescale C/C++ for Embedded ARM
<> 144:ef7eb2e8f9f7 12 ** GNU C Compiler
<> 144:ef7eb2e8f9f7 13 ** IAR ANSI C/C++ Compiler for ARM
<> 144:ef7eb2e8f9f7 14 **
<> 144:ef7eb2e8f9f7 15 ** Reference manual: KL46P121M48SF4RM, Rev.1 Draft A, Aug 2012
<> 144:ef7eb2e8f9f7 16 ** Version: rev. 2.0, 2012-12-12
<> 144:ef7eb2e8f9f7 17 **
<> 144:ef7eb2e8f9f7 18 ** Abstract:
<> 144:ef7eb2e8f9f7 19 ** Provides a system configuration function and a global variable that
<> 144:ef7eb2e8f9f7 20 ** contains the system frequency. It configures the device and initializes
<> 144:ef7eb2e8f9f7 21 ** the oscillator (PLL) that is part of the microcontroller device.
<> 144:ef7eb2e8f9f7 22 **
<> 144:ef7eb2e8f9f7 23 ** Copyright: 2012 Freescale, Inc. All Rights Reserved.
<> 144:ef7eb2e8f9f7 24 **
<> 144:ef7eb2e8f9f7 25 ** http: www.freescale.com
<> 144:ef7eb2e8f9f7 26 ** mail: support@freescale.com
<> 144:ef7eb2e8f9f7 27 **
<> 144:ef7eb2e8f9f7 28 ** Revisions:
<> 144:ef7eb2e8f9f7 29 ** - rev. 1.0 (2012-10-16)
<> 144:ef7eb2e8f9f7 30 ** Initial version.
<> 144:ef7eb2e8f9f7 31 ** - rev. 2.0 (2012-12-12)
<> 144:ef7eb2e8f9f7 32 ** Update to reference manual rev. 1.
<> 144:ef7eb2e8f9f7 33 **
<> 144:ef7eb2e8f9f7 34 ** ###################################################################
<> 144:ef7eb2e8f9f7 35 */
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 /**
<> 144:ef7eb2e8f9f7 38 * @file MKL46Z4
<> 144:ef7eb2e8f9f7 39 * @version 2.0
<> 144:ef7eb2e8f9f7 40 * @date 2012-12-12
<> 144:ef7eb2e8f9f7 41 * @brief Device specific configuration file for MKL46Z4 (header file)
<> 144:ef7eb2e8f9f7 42 *
<> 144:ef7eb2e8f9f7 43 * Provides a system configuration function and a global variable that contains
<> 144:ef7eb2e8f9f7 44 * the system frequency. It configures the device and initializes the oscillator
<> 144:ef7eb2e8f9f7 45 * (PLL) that is part of the microcontroller device.
<> 144:ef7eb2e8f9f7 46 */
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 #ifndef SYSTEM_MKL46Z4_H_
<> 144:ef7eb2e8f9f7 49 #define SYSTEM_MKL46Z4_H_ /**< Symbol preventing repeated inclusion */
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 52 extern "C" {
<> 144:ef7eb2e8f9f7 53 #endif
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 #include <stdint.h>
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 /**
<> 144:ef7eb2e8f9f7 58 * @brief System clock frequency (core clock)
<> 144:ef7eb2e8f9f7 59 *
<> 144:ef7eb2e8f9f7 60 * The system clock frequency supplied to the SysTick timer and the processor
<> 144:ef7eb2e8f9f7 61 * core clock. This variable can be used by the user application to setup the
<> 144:ef7eb2e8f9f7 62 * SysTick timer or configure other parameters. It may also be used by debugger to
<> 144:ef7eb2e8f9f7 63 * query the frequency of the debug timer or configure the trace clock speed
<> 144:ef7eb2e8f9f7 64 * SystemCoreClock is initialized with a correct predefined value.
<> 144:ef7eb2e8f9f7 65 */
<> 144:ef7eb2e8f9f7 66 extern uint32_t SystemCoreClock;
<> 144:ef7eb2e8f9f7 67
<> 144:ef7eb2e8f9f7 68 /**
<> 144:ef7eb2e8f9f7 69 * @brief Setup the microcontroller system.
<> 144:ef7eb2e8f9f7 70 *
<> 144:ef7eb2e8f9f7 71 * Typically this function configures the oscillator (PLL) that is part of the
<> 144:ef7eb2e8f9f7 72 * microcontroller device. For systems with variable clock speed it also updates
<> 144:ef7eb2e8f9f7 73 * the variable SystemCoreClock. SystemInit is called from startup_device file.
<> 144:ef7eb2e8f9f7 74 */
<> 144:ef7eb2e8f9f7 75 void SystemInit (void);
<> 144:ef7eb2e8f9f7 76
<> 144:ef7eb2e8f9f7 77 /**
<> 144:ef7eb2e8f9f7 78 * @brief Updates the SystemCoreClock variable.
<> 144:ef7eb2e8f9f7 79 *
<> 144:ef7eb2e8f9f7 80 * It must be called whenever the core clock is changed during program
<> 144:ef7eb2e8f9f7 81 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
<> 144:ef7eb2e8f9f7 82 * the current core clock.
<> 144:ef7eb2e8f9f7 83 */
<> 144:ef7eb2e8f9f7 84 void SystemCoreClockUpdate (void);
<> 144:ef7eb2e8f9f7 85
<> 144:ef7eb2e8f9f7 86 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 87 }
<> 144:ef7eb2e8f9f7 88 #endif
<> 144:ef7eb2e8f9f7 89
<> 144:ef7eb2e8f9f7 90 #endif /* #if !defined(SYSTEM_MKL46Z4_H_) */