/**
  ******************************************************************************
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * Copyright (C) 2022 Shanghai Eastsoft Microelectronics Co., Ltd. ALL rights reserved.
  *******************************************************************************
  */

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Version history:
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2023-03-09       V1.0.0      AE TEAM

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Demo introduction:
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本示例功能：BOOT程序，校验新APP区域crc，将新APP覆盖到运行APP区域。

各区域划分如下：

地址范围                       功能
0x00000 - 0x017FF（6k）        BOOT程序
0x01800 - 0x01FFF（2k）        新APP程序的长度和CRC
0x02000 - 0x1FFFF（120k）      正在运行的APP程序
0x20000 - 0x3FFFF（128k）      被下载的新APP程序或其他

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测试环境:
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测试用板；
ES-PDS-ES32VF2264LT-T2
需要对开发板进行如下操作：
1.闭合JP1、JP2、JP3、JP4。

辅助工具：
ES-BUR-ESLINK2OB

辅助软件：
XCOM上位机软件

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测试步骤：
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1) 编译BOOT工程，编译通过后将程序下载到目标芯片。
2) 复位芯片，或在线调试，运行程序。

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注意：
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1) MRST复位不会恢复配置字值，也就是说在APP运行时，按RESET按键不会从BOOT启动，需重新上电，方能从BOOT启动。

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System clock:
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HRC48M

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Pin connection: 
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