资源简介
好用的STM32F412工程模板
STM32F412的新型大量数据获取模式(BAM),为数据处理进行了功耗优化,将Dynamic Efficiency提升到了一个新的水平。 BAM允许通信外设实现批量数据交换,同时器件的其它部分(包括CPU)可保持在省电模式。
性能:在100 MHz频率下,从Flash存储器执行时,STM32F412能够提供125 DMIPS/339 CoreMark性能,并且利用意法半导体的ART加速器实现FLASH零等待状态。 DSP指令和浮点运算单元扩大了产品的应用范围。
功效:ST该系列产品采用意法半导体90 nm工艺,使用ART加速器和动态功耗调整功能,从Flash存储器执行指令,运行模式下可实现低至112 µA/MHz的电流消耗。 停机模式下,功耗低至18 µA。
集成度:STM32F412器件内置高达512至1024 KB的Flash存储器和高达256 KB的SRAM。
具备从48到144引脚各类封装。
4路USART,速度高达12.5 Mbit/s
5路SPI(I²S多路传输),速度高达50 Mbit/s
4个I²C,高达1Mbps
2x CAN(支持2.0B)
1个SDIO,运行于高达48MHz,所有封装都提供
1个USB 2.0 OTG全速(FS)
2个全双工I²S,最高32-bit/192 kHz
3个单工I²S,最高32-bit/192 kHz
2个数字滤波器,用于∑Δ调制器
4个PDM接口,支持立体声麦克风
速度高达2.4 MSPS的12位ADC,
14个定时器,频率高达100 MHz的16和32位定时器
硬件随机数发生器
代码片段和文件信息
/**
******************************************************************************
* @file system_stm32f4xx.c
* @author MCD Application Team
* @version V1.8.0
* @date 09-November-2016
* @brief CMSIS Cortex-M4 Device Peripheral Access layer System Source File.
* This file contains the system clock configuration for STM32F4xx devices.
*
* 1. This file provides two functions and one global variable to be called from
* user application:
* - SystemInit(): Setups the system clock (System clock source PLL Multiplier
* and Divider factors AHB/APBx prescalers and Flash settings)
* depending on the configuration made in the clock xls tool.
* This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the “startup_stm32f4xx.s“ file.
*
* - SystemCoreClock variable: Contains the core clock (HCLK) it can be used
* by the user application to setup the SysTick
* timer or configure other parameters.
*
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
* be called whenever the core clock is changed
* during program execution.
*
* 2. After each device reset the HSI (16 MHz) is used as system clock source.
* Then SystemInit() function is called in “startup_stm32f4xx.s“ file to
* configure the system clock before to branch to main program.
*
* 3. If the system clock source selected by user fails to startup the SystemInit()
* function will do nothing and HSI still used as system clock source. User can
* add some code to deal with this issue inside the SetSysClock() function.
*
* 4. The default value of HSE crystal is set to 25MHz refer to “HSE_VALUE“ define
* in “stm32f4xx.h“ file. When HSE is used as system clock source directly or
* through PLL and you are using different crystal you have to adapt the HSE
* value to your own configuration.
*
* 5. This file configures the system clock as follows:
*=============================================================================
*=============================================================================
* Supported STM32F40xxx/41xxx devices
*-----------------------------------------------------------------------------
* System Clock source | PLL (HSE)
*-----------------------------------------------------------------------------
* SYSCLK(Hz) | 168000000
*-----------------------------------------------------------------------------
* HCLK(Hz)
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2018-11-28 14:14 Mic_STM32F4_Test\
目录 0 2018-11-26 09:55 Mic_STM32F4_Test\Doc\
目录 0 2018-11-28 14:14 Mic_STM32F4_Test\Libraries\
目录 0 2018-11-28 14:14 Mic_STM32F4_Test\Libraries\CMSIS\
文件 7253 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\arm_common_tables.h
文件 3942 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\arm_const_structs.h
文件 252177 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\arm_math.h
文件 36181 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cm0.h
文件 43812 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cm0plus.h
文件 103865 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cm3.h
文件 114403 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cm4.h
文件 138654 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cm7.h
文件 18323 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cmFunc.h
文件 27908 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cmInstr.h
文件 22947 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_cmSimd.h
文件 44330 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_sc000.h
文件 102775 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\CMSIS\core_sc300.h
文件 29607 2016-11-07 23:02 Mic_STM32F4_Test\Libraries\CMSIS\startup_stm32f40_41xxx.s
文件 21484 2016-11-07 23:02 Mic_STM32F4_Test\Libraries\CMSIS\startup_stm32f412xg.s
文件 940127 2016-11-07 23:03 Mic_STM32F4_Test\Libraries\CMSIS\stm32f4xx.h
文件 61020 2016-11-10 18:29 Mic_STM32F4_Test\Libraries\CMSIS\system_stm32f4xx.c
文件 2235 2016-11-07 23:03 Mic_STM32F4_Test\Libraries\CMSIS\system_stm32f4xx.h
目录 0 2018-11-28 14:14 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\
目录 0 2018-11-28 14:14 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\
文件 6926 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\misc.h
文件 33008 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_adc.h
文件 27849 2016-11-08 23:33 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_can.h
文件 12446 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_cec.h
文件 2418 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_crc.h
文件 14483 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_cryp.h
文件 14948 2016-11-05 01:33 Mic_STM32F4_Test\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dac.h
............此处省略95个文件信息
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