Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC408X/system_LPC407x_8x_177x_8x.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 * $Id$ system_LPC407x_8x_177x_8x.h 2011-06-02
<> 144:ef7eb2e8f9f7 3 *//**
<> 144:ef7eb2e8f9f7 4 * @file system_LPC407x_8x_177x_8x.h
<> 144:ef7eb2e8f9f7 5 * @brief CMSIS Cortex-M3 Device Peripheral Access Layer Source File
<> 144:ef7eb2e8f9f7 6 * for the NXP LPC Device Series
<> 144:ef7eb2e8f9f7 7 * @version 1.0
<> 144:ef7eb2e8f9f7 8 * @date 02. June. 2011
<> 144:ef7eb2e8f9f7 9 * @author NXP MCU SW Application Team
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * Copyright(C) 2011, NXP Semiconductor
<> 144:ef7eb2e8f9f7 12 * All rights reserved.
<> 144:ef7eb2e8f9f7 13 *
<> 144:ef7eb2e8f9f7 14 ***********************************************************************
<> 144:ef7eb2e8f9f7 15 * Software that is described herein is for illustrative purposes only
<> 144:ef7eb2e8f9f7 16 * which provides customers with programming information regarding the
<> 144:ef7eb2e8f9f7 17 * products. This software is supplied "AS IS" without any warranties.
<> 144:ef7eb2e8f9f7 18 * NXP Semiconductors assumes no responsibility or liability for the
<> 144:ef7eb2e8f9f7 19 * use of the software, conveys no license or title under any patent,
<> 144:ef7eb2e8f9f7 20 * copyright, or mask work right to the product. NXP Semiconductors
<> 144:ef7eb2e8f9f7 21 * reserves the right to make changes in the software without
<> 144:ef7eb2e8f9f7 22 * notification. NXP Semiconductors also make no representation or
<> 144:ef7eb2e8f9f7 23 * warranty that such application will be suitable for the specified
<> 144:ef7eb2e8f9f7 24 * use without further testing or modification.
<> 144:ef7eb2e8f9f7 25 * Permission to use, copy, modify, and distribute this software and its
<> 144:ef7eb2e8f9f7 26 * documentation is hereby granted, under NXP Semiconductors'
<> 144:ef7eb2e8f9f7 27 * relevant copyright in the software, without fee, provided that it
<> 144:ef7eb2e8f9f7 28 * is used in conjunction with NXP Semiconductors microcontrollers. This
<> 144:ef7eb2e8f9f7 29 * copyright, permission, and disclaimer notice must appear in all copies of
<> 144:ef7eb2e8f9f7 30 * this code.
<> 144:ef7eb2e8f9f7 31 **********************************************************************/
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 #ifndef __SYSTEM_LPC407x_8x_177x_8x_H
<> 144:ef7eb2e8f9f7 34 #define __SYSTEM_LPC407x_8x_177x_8x_H
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 37 extern "C" {
<> 144:ef7eb2e8f9f7 38 #endif
<> 144:ef7eb2e8f9f7 39
<> 144:ef7eb2e8f9f7 40 #include <stdint.h>
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
<> 144:ef7eb2e8f9f7 43 extern uint32_t PeripheralClock; /*!< Peripheral Clock Frequency (Pclk) */
<> 144:ef7eb2e8f9f7 44 extern uint32_t EMCClock; /*!< EMC Clock */
<> 144:ef7eb2e8f9f7 45 extern uint32_t USBClock; /*!< USB Frequency */
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 /**
<> 144:ef7eb2e8f9f7 49 * Initialize the system
<> 144:ef7eb2e8f9f7 50 *
<> 144:ef7eb2e8f9f7 51 * @param none
<> 144:ef7eb2e8f9f7 52 * @return none
<> 144:ef7eb2e8f9f7 53 *
<> 144:ef7eb2e8f9f7 54 * @brief Setup the microcontroller system.
<> 144:ef7eb2e8f9f7 55 * Initialize the System and update the SystemCoreClock variable.
<> 144:ef7eb2e8f9f7 56 */
<> 144:ef7eb2e8f9f7 57 extern void SystemInit (void);
<> 144:ef7eb2e8f9f7 58
<> 144:ef7eb2e8f9f7 59 /**
<> 144:ef7eb2e8f9f7 60 * Update SystemCoreClock variable
<> 144:ef7eb2e8f9f7 61 *
<> 144:ef7eb2e8f9f7 62 * @param none
<> 144:ef7eb2e8f9f7 63 * @return none
<> 144:ef7eb2e8f9f7 64 *
<> 144:ef7eb2e8f9f7 65 * @brief Updates the SystemCoreClock with current core Clock
<> 144:ef7eb2e8f9f7 66 * retrieved from cpu registers.
<> 144:ef7eb2e8f9f7 67 */
<> 144:ef7eb2e8f9f7 68 extern void SystemCoreClockUpdate (void);
<> 144:ef7eb2e8f9f7 69
<> 144:ef7eb2e8f9f7 70 /*----------------------------------------------------------------------------
<> 144:ef7eb2e8f9f7 71 Define clocks
<> 144:ef7eb2e8f9f7 72 *----------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 73 #define XTAL (12000000UL) /* Oscillator frequency */
<> 144:ef7eb2e8f9f7 74 #define OSC_CLK ( XTAL) /* Main oscillator frequency */
<> 144:ef7eb2e8f9f7 75 #define RTC_CLK ( 32768UL) /* RTC oscillator frequency */
<> 144:ef7eb2e8f9f7 76 #define IRC_OSC (12000000UL) /* Internal RC oscillator frequency */
<> 144:ef7eb2e8f9f7 77 #define WDT_OSC ( 500000UL) /* Internal WDT oscillator frequency */
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79
<> 144:ef7eb2e8f9f7 80
<> 144:ef7eb2e8f9f7 81 /*
<> 144:ef7eb2e8f9f7 82 //-------- <<< end of configuration section >>> ------------------------------
<> 144:ef7eb2e8f9f7 83 */
<> 144:ef7eb2e8f9f7 84
<> 144:ef7eb2e8f9f7 85 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 86 }
<> 144:ef7eb2e8f9f7 87 #endif
<> 144:ef7eb2e8f9f7 88
<> 144:ef7eb2e8f9f7 89 #endif /* __SYSTEM_LPC407x_8x_177x_8x_H */