M37540E8FP 参数 Datasheet PDF下载

目录

7540组

目录

第一章硬件

描述................................................................................................................................ 1-2

特点...................................................................................................................................... 1-2

应用................................................................................................................................ 1-2

引脚配置.................................................................................................................. 1-3

功能块.................................................................................................................. 1-5

引脚说明........................................................................................................................ 1-8

组扩展.................................................................................................................... 1-9

功能说明................................................ .................................................. .. 1-11

中央处理单元（ CPU ） ............................................ ................................................ 1 11

内存.................................................................................................................................... 1-15

I / O端口.................................................................................................................................. 1-17

中断................................................................................................................................. 1-21

键输入中断（按键唤醒时） ....................................... ........................................ 1-23

计时器...................................................................................................................................... 1-24

串行I / O ................................................................................................................................. 1-35

A / D转换器......................................................................................................................... 1-41

看门狗定时器..................................................................................................................... 1-42

复位电路........................................................................................................................... 1-43

时钟产生电路....................................................................................................... 1-45

注意事项编程..................................................................................................... 1-49

处理器状态寄存器............................................... .................................................. ... 1-49

中断................................................................................................................................. 1-49

十进制计算.............................................................................................................. 1-49

端口......................................................................................................................................... 1-49

A / D转换....................................................................................................................... 1-49

指令执行时间............................................... .................................................. 1-49

CPU模式寄存器............................................................................................................... 1-49

状态转换...................................................................................................................... 1-49

注意在硬件上............................................................................................................ 1-49

操作电源引脚............................................. ................................................ 1 49

一次性可编程ROM版..................................................................................................... 1-49

注意事项外设函数.............................................. .................................... 1-50

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中断............................................................................................................................... 1-50

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计时器.................................................................................................................................. 1-50

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定时器A ............................................................................................................................... 1-50

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定时器X ............................................................................................................................... 1-50

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定时器Y：可编程波形生成模式........................................... 1-50 .......

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定时器Z ：可编程波形生成模式........................................... 1-50 .......

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定时器Z ：可编程单触发产生模式......................................... .......... 1-51

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定时器Z ：可编程等待单触发生成模式........................................ .. 1-51

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串行I / O ............................................................................................................................. 1-51

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A / D转换器..................................................................................................................... 1-51

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在时钟产生电路的注意事项............................................. .................................... 1-52

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在电源Volage注意事项............................................. ......................................... 1-52

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电气特性的差异在掩模ROM和一次性可编程版本的MCU .... 1-52

所需的数据MASK订单............................................. ................................... 1-53

数据所需的ROM编程订单............................................ ........ 1-53

ROM规划法............................................... ............................................... 1-53

功能描述补充............................................... .......................... 1-54

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