1、功能说明
    1、COMP1的输出PB1受输入INP PB10和INM PA4的影响
2、使用环境
    软件开发环境：  KEIL MDK-ARM V5.34.0.0
    硬件环境：      基于N32A455VEL7_EVB V1.0 EVB开发
3、使用说明
    系统配置；
        1、时钟源：
                    HSE=8M,PLL=144M,AHB=144M,APB1=36M,APB2=72M,COMP CLK=36M
        2、端口配置：
                    PB10选择为模拟功能COMP INP
                    PA4选择为模拟功能COMP INM
                    PB1选择为模拟功能COMP OUT
                    PE2选择为IO输出
                    PE3选择为IO输出
        3、COMP：
                    COMP1输入PB10，PA4，输出PB1
    使用方法：
        1、编译后打开调试模式，将PE2连接到PB10，PE3连接到PA4，利用示波器或者逻辑分析仪观察PB1输出波形
        2、当软件输出PE2电平大于PE3时，PB1输出高电平，相反时，输出低电平
4、注意事项
    无


1. Function description
     1. The output PB1 of COMP1 is affected by the input INP PB10 and INM PA4
2. Use environment
     Software development environment: KEIL MDK-ARM V5.34.0.0
     Hardware environment: Based on N32A455VEL7_EVB V1.0 EVB development
3. Instructions for use
     System Configuration;
         1. Clock source:
                     HSE=8M,PLL=144M,AHB=144M,APB1=36M,APB2=72M,COMP CLK=36M
         2. Port configuration:
                     PB10 is selected as analog function COMP INP
                     PA4 is selected as analog function COMP INM
                     PB1 is selected as analog function COMP OUT
                     PE2 is selected as IO output
                     PE3 is selected as IO output
         3. COMP:
                     COMP1 input PB10, PA4, output PB1
     Instructions:
         1. After compiling, open the debug mode, connect PE2 to PB10, connect PE3 to PA4, and use an oscilloscope or logic analyzer to observe the output waveform of PB1
         2. When the software output PE2 level is greater than PE3, PB1 output high level, on the contrary, output low level
4. Matters needing attention
     none