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Version history:
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2025-06-05	V1.00	AE TEAM

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Demo introduction:
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本示例功能：模拟比较器，负端参考选择内部参考VRESINT，CMP1_INP端输入的电压高于参考电压，
则LED1灯点亮，CMP1_OUT引脚输出高电平；否则LED2灯点亮，CPM1_OUT引脚输出低电平。

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测试环境:
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测试用板；
ES-PDS-ES32M0502LQ

辅助工具：
多功能接口转换工具ES-DAPLink(ES-Bridge)

辅助软件：
ES-Bridge上位机软件

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测试步骤：
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1) 编译工程，编译通过后将程序下载到目标芯片；
2) 将程序配置的CMP1_INP引脚连接ES-DAPLink(ES-Bridge)的DAC_OUT0；
3) ES-DAPLink(ES-Bridge)通过USB线缆连接PC，打开上位机软件，“设备操作”选项里选择“打开”；
4) 上位机切换到DAC标签页，通道1均选择直流，设置合适的幅值后点击输出按钮；
5) 运行程序，观察板载LED1、LED2的状态与CMP1_INP输入电压的关系，也可用逻辑笔观察CMP1_OUT引脚的输出电平。

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注意：
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1) 测试板与ES-DAPLink(ES-Bridge)需共GND；
2) keil工程请勿勾选“GNU extensions”。

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System clock:
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PLL72MHz

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Pin connection: 
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CMP1_INP ---- PA4[GPIO_FUNC_0]

CMP1_OUT ---- PA10[GPIO_FUNC_4]

LED1     ---- PA5[GPIO_FUNC_0]
LED2     ---- PA6[GPIO_FUNC_0]
