2020-05-26 14:49:09 +08:00
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# AT32F407 AT-START 开发板 BSP 说明
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## 简介
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AT32F407 AT-START是雅特力推出的一款AT32F407系列的评估板，其搭载的MCU主要资源参数如下：
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| 硬件 | 描述 |
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| --------- | ------------- |
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| 芯片型号 | AT32F407VGT7 |
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| CPU | ARM Cortex M4 |
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| 主频 | 240M |
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| 片内SRAM | 96K可扩展224K |
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| 片内FLASH | 1024K |
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## 编译说明
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AT32F407-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器，以下是具体版本信息：
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| IDE/编译器 | 已测试版本 |
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| ---------- | ---------------------------- |
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| MDK4 | MDK4.74 |
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| MDK5 | MDK523 |
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| IAR | IAR8.20 |
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| GCC | GCC 5.4.1 20160919 (release) |
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## 板载资源
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- MCU：AT32F407VGT7，主频 240MHz，1024KB FLASH ，96KB可扩展到224KB RAM
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- 常用外设
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- LED：3个，（红色PD13、白色PD14、绿色PD15）
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- 按键：1个，KEY_USER（兼具唤醒功能，PA0)
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- 常用接口：插针串口J8
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- 调试接口，JLINK、板载的 AT-LINK SWD 下载
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## 外设支持
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本 BSP 目前对外设驱动的支持情况如下：
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| 驱动 | 支持情况 | 备注 |
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| --------- | -------- | :------------------------: |
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| UART | 支持 | USART1/2/3 |
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| GPIO | 支持 | PA0...PF7 |
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| IIC | 支持 | GPIO模拟I2C |
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| SPI | 支持 | SPI1/2 |
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| ADC | 支持 | ADC1/2 |
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| PWM | 支持 | TMR1/2 |
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| HWTIMER | 支持 | TMR3/4/5 |
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| SDIO | 支持 | SDIO1 |
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2021-02-09 14:28:11 +08:00
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| CAN | 支持 | CAN1/2 |
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2020-05-26 14:49:09 +08:00
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| WDT | 支持 | |
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| RTC | 支持 | |
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2021-02-09 14:28:11 +08:00
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| FLASH | 支持 | |
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2020-05-26 14:49:09 +08:00
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| ETH | 支持 | |
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### IO在板级支持包中的映射情况
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| IO号 | 板级包中的定义 |
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| ---- | -------------- |
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| PD13 | LED2 |
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| PD14 | LED3 |
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| PD15 | LED4 |
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| PA9 | USART1_TX |
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| PA10 | USART1_RX |
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| PA2 | USART2_TX |
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| PA3 | USART2_RX |
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| PB10 | USART3_TX |
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| PB11 | USART3_RX |
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| PA4 | SPI1_NSS |
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| PA5 | SPI1_SCK |
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| PA6 | SPI1_MISO |
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| PA7 | SPI1_MOSI |
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| PB12 | SPI2_NSS |
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| PB13 | SPI2_SCK |
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| PB14 | SPI2_MISO |
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| PB15 | SPI2_MOSI |
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| PB6 | I2C1_SCL |
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| PB7 | I2C1_SDA |
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| PC8 | SDIO1_D0 |
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| PC9 | SDIO1_D1 |
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| PC10 | SDIO1_D2 |
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| PC11 | SDIO1_D3 |
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| PC12 | SDIO1_CK |
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| PD2 | SDIO1_CMD |
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| PA8 | PWM_TMR1_CH1 |
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| PA11 | PWM_TMR1_CH4 |
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| PA0 | PWM_TMR2_CH1 |
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| PA1 | PWM_TMR2_CH2 |
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| PC0 | ADC1/2_IN10 |
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| PC1 | ADC1/2_IN11 |
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| PC2 | ADC1/2_IN12 |
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| PC3 | ADC1/2_IN13 |
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| PC4 | ADC1/2_IN14 |
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| PC5 | ADC1/2_IN15 |
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2021-02-09 14:28:11 +08:00
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| PA11 | CAN1_RX |
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| PA12 | CAN1_TX |
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| PB5 | CAN2_RX |
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| PB6 | CAN2_TX |
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2020-05-26 14:49:09 +08:00
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| PB11 | ETH_RMII_TX_EN |
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| PB12 | ETH_RMII_TX0 |
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| PB13 | ETH_RMII_TX1 |
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| PD8 | ETH_RMII_RX_DV |
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| PD9 | ETH_RMII_RXD0 |
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| PD10 | ETH_RMII_RXD1 |
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| PA1 | ETH_RMII_REF_CLK |
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## 使用说明
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本章节是为刚接触 RT-Thread 的新手准备的使用说明，遵循简单的步骤即可将 RT-Thread 操作系统运行在该开发板上，看到实验效果 。
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### 快速上手
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本 BSP 为开发者提供 MDK4、MDK5 和 IAR 工程，并且支持 GCC 开发环境。下面以 MDK5 开发环境为例，介绍如何将系统运行起来。
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#### 硬件连接
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使用数据线连接开发板到 PC，打开电源开关。
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#### 编译下载
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双击 project.uvprojx 文件，打开 MDK5 工程，编译并下载程序到开发板。
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> 工程默认配置使用 JLink 下载程序，在通过 JLink 连接开发板的基础上，点击下载按钮即可下载程序到开发板
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#### 运行结果
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下载程序成功之后，系统会自动运行，观察开发板上 LED 的运行效果，LED2/3/4 会周期性闪烁。
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连接开发板对应串口到 PC , 在终端工具里打开相应的串口（115200-8-1-N），复位设备后，在串口上可以看到 RT-Thread 的输出信息:
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```bash
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\ | /
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- RT - Thread Operating System
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/ | \ 4.0.3 build Mar 9 2020
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2006 - 2020 Copyright by rt-thread team
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msh />
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```
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## 注意事项
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AT32F407使用Ethernet且PHY时钟由MCO输出提供时，主频最好采用200Mhz。
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可在雅特力官方网站进行所需资料下载，如Keil_v5/Keil_v4/IAR等pack安装包和AT-START开发板原理图等（www.arterytek.com）
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## 联系人信息
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维护人:
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- [sheltonyu](https://github.com/sheltonyu)
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