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CSU8RF3421 Datasheet(PDF) 4 Page - Core Technology (Shenzhen) Co., Ltd. |
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CSU8RF3421 Datasheet(HTML) 4 Page - Core Technology (Shenzhen) Co., Ltd. |
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4 / 131 page ![]() CSU8RF3421/CSU8RF3422/CSU8RF3423 R Re ev v..1 1..2 2 第 第 44 页 页, ,共 共 113311 页 页 2.6.1 PT1 口............................................................................................................................................ 35 2.6.2 PT2 口............................................................................................................................................ 38 2.6.3 PT3 口............................................................................................................................................ 39 2.6.4 PT5 口............................................................................................................................................ 40 3 增强功能 ....................................................................................................................................................... 42 3.1 HALT 和 SLEEP 模式 .............................................................................................................................. 42 3.2 看门狗(WDT) ....................................................................................................................................... 44 3.3 定时/计数器 2 ....................................................................................................................................... 46 3.3.1 寄存器描述 ................................................................................................................................... 46 3.3.2 蜂鸣器 ........................................................................................................................................... 48 3.3.3 PWM.............................................................................................................................................. 48 3.4 定时/计数器 3 ....................................................................................................................................... 49 3.4.1 寄存器描述 ................................................................................................................................... 49 3.4.2 蜂鸣器 ........................................................................................................................................... 51 3.4.3 PWM.............................................................................................................................................. 51 3.5 定时/计数器 4 ....................................................................................................................................... 52 3.5.1 寄存器描述 ................................................................................................................................... 52 3.5.2 蜂鸣器 ........................................................................................................................................... 56 3.5.3 PWM 普通模式 ............................................................................................................................. 56 3.5.4 PWM 扩展模式 ............................................................................................................................. 56 3.6 串行通信接口 ....................................................................................................................................... 60 3.6.1 工作方式 ....................................................................................................................................... 60 3.6.2 寄存器说明 ................................................................................................................................... 61 3.6.3 波特率 ........................................................................................................................................... 62 3.7 SPI 接口................................................................................................................................................. 63 3.7.1 SPI 接口介绍................................................................................................................................. 63 3.7.2 SPI 寄存器说明............................................................................................................................. 66 3.7.3 SPI 操作说明:............................................................................................................................. 68 3.8 模数转换器(ADC)........................................................................................................................... 70 3.8.1 寄存器描述 ................................................................................................................................... 70 3.8.2 转换时间 ....................................................................................................................................... 74 3.8.3 使用内部参考电压 1.40V 的 校准方法....................................................................................... 76 3.8.4 AD 失调电压校正......................................................................................................................... 77 3.8.5 数字比较器 ................................................................................................................................... 78 3.8.6 内部测量 VDD 的电压 ................................................................................................................. 79 3.9 比较器和运算放大器 ........................................................................................................................... 81 3.9.1 比较器 0/运算放大器 ................................................................................................................... 81 3.9.2 比较器 1 ........................................................................................................................................ 85 3.9.3 比较器 2 ........................................................................................................................................ 89 3.9.4 比较器 3 ........................................................................................................................................ 93 3.9.5 比较器参考电压 ........................................................................................................................... 96 3.9.6 比较器中断 ................................................................................................................................... 96 3.10 数据 E2PROM .................................................................................................................................. 97 3.11 烧录模块 ........................................................................................................................................... 98 3.12 代码选项 ........................................................................................................................................... 99 4 MCU 指令集............................................................................................................................................... 100 5 电气特性 ..................................................................................................................................................... 116 5.1 极限值 ................................................................................................................................................. 116 5.2 直流特性(VDD = 5V,TA = 25ºC,如无其他说明则都是此条件) ............................................ 116 |
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