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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/RCC/RCC_ClockConfig/readme.txt @ 85:18b154c447bb

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Add note about 1-wire wiring
author Daniel O'Connor <darius@dons.net.au>
date Thu, 12 Mar 2015 23:22:11 +1030
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1 /**
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2 @page RCC_ClockConfig RCC Clock configuration example
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3
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4 @verbatim
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5 ******************** (C) COPYRIGHT 2011 STMicroelectronics *******************
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6 * @file RCC/RCC_ClockConfig/readme.txt
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7 * @author MCD Application Team
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8 * @version V3.5.0
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9 * @date 08-April-2011
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10 * @brief Description of the RCC Clock configuration example.
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11 ******************************************************************************
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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18 ******************************************************************************
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19 @endverbatim
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20
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21 @par Example Description
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22
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23 This example shows how to configure the System clock(SYSCLK) to have different
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24 frequencies: 24MHz, 36MHz, 48MHz, 56MHz and 72MHz (common frequencies that covers
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25 the major of the applications).
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26 The SYSCLK frequency is selected by user in main.h file.
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27
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28 It shows how to use, for debug purpose, the RCC_GetClocksFreq function to retrieve
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29 the current status and frequencies of different on chip clocks. You can see the
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30 RCC_ClockFreq structure content, which hold the frequencies of different on chip
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31 clocks, using your toolchain debugger.
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32
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33 This example handles also the High Speed External clock (HSE) failure detection:
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34 when the HSE clock disappears (broken or disconnected external Quartz); HSE, PLL
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35 are disabled (but no change on PLL config), HSI selected as system clock source
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36 and an interrupt (NMI) is generated. In the NMI ISR, the HSE, HSE ready interrupt
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37 are enabled and once HSE clock recover, the HSERDY interrupt is generated and in
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38 the RCC ISR routine the system clock is reconfigured to its previous state (before
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39 HSE clock failure). You can monitor the HSE clock on the MCO pin (PA.08).
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40
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41 Four LEDs are toggled with a timing defined by the Delay function.
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42
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43 @note To adjust the External High Speed oscillator (HSE) Startup Timeout value,
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44 use HSEStartUp_TimeOut variable defined in the stm32f10x.h file.
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46
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47 @par Directory contents
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48
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49 - RCC/RCC_ClockConfig/stm32f10x_conf.h Library Configuration file
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50 - RCC/RCC_ClockConfig/stm32f10x_it.c Interrupt handlers
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51 - RCC/RCC_ClockConfig/stm32f10x_it.h Header for stm32f10x_it.c
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52 - RCC/RCC_ClockConfig/main.h Main header file
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53 - RCC/RCC_ClockConfig/main.c Main program
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54 - RCC/RCC_ClockConfig/system_stm32f10x.c STM32F10x system source file
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55
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56 @par Hardware and Software environment
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57
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58 - This example runs on STM32F10x Connectivity line, High-Density, High-Density
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59 Value line, Medium-Density, XL-Density, Medium-Density Value line, Low-Density
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60 and Low-Density Value line Devices.
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61
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62 - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density
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63 Value line),STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL (Connectivity line),
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64 STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density)
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65 evaluation boards and can be easily tailored to any other supported device
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66 and development board.
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67 To select the STMicroelectronics evaluation board used to run the example,
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68 uncomment the corresponding line in stm32_eval.h file (under Utilities\STM32_EVAL)
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69
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70 - STM32100E-EVAL Set-up
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71 - Use LED1, LED2, LED3 and LED4 connected respectively to PF.06, PF0.7, PF.08
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72 and PF.09 pins
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73
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74 - STM32100B-EVAL Set-up
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75 - Use LED1, LED2, LED3 and LED4 connected respectively to PC.06, PC.07, PC.08
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76 and PC.09 pins
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77
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78 - STM3210C-EVAL Set-up
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79 - Use LED1, LED2, LED3 and LED4 connected respectively to PD.07, PD.13, PF.03
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80 and PD.04 pins
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81
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82 - STM3210E-EVAL Set-up
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83 - Use LED1, LED2, LED3 and LED4 connected respectively to PF.06, PF0.7, PF.08
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84 and PF.09 pins
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85
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86 - STM3210B-EVAL Set-up
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87 - Use LED1, LED2, LED3 and LED4 connected respectively to PC.06, PC.07, PC.08
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88 and PC.09 pins
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89
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90 - STM32100E-EVAL Set-up
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91 - Use LED1, LED2, LED3 and LED4 connected respectively to PF.06, PF0.7, PF.08
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92 and PF.09 pins
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93
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94 @par How to use it ?
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95
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96 In order to make the program work, you must do the following :
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97 - Copy all source files from this example folder to the template folder under
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98 Project\STM32F10x_StdPeriph_Template
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99 - Open your preferred toolchain
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100 - Rebuild all files and load your image into target memory
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101 - Run the example
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102
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103 @note
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104 - Low-density Value line devices are STM32F100xx microcontrollers where the
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105 Flash memory density ranges between 16 and 32 Kbytes.
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106 - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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107 microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes.
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108 - Medium-density Value line devices are STM32F100xx microcontrollers where
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109 the Flash memory density ranges between 64 and 128 Kbytes.
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110 - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx
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111 microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes.
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112 - High-density Value line devices are STM32F100xx microcontrollers where
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113 the Flash memory density ranges between 256 and 512 Kbytes.
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114 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where
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115 the Flash memory density ranges between 256 and 512 Kbytes.
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116 - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where
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117 the Flash memory density ranges between 512 and 1024 Kbytes.
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118 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
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119
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120 * <h3><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h3>
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121 */