SH79F166AP044PR datasheet(112/113 Pages) ETC1

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SH79F166A

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特性 .................................................................................................................................................................................1

概述 .................................................................................................................................................................................1

方框图 .............................................................................................................................................................................2

引脚配置 ..........................................................................................................................................................................3

引脚描述 ..........................................................................................................................................................................6

SFR映像 ..........................................................................................................................................................................8

标准功能 ........................................................................................................................................................................18

7.1 CPU .................................................................................................................................................................................................... 18

7.1.1 CPU内核特殊功能寄存器 ......................................................................................................................................................... 18

7.1.2 CPU增强内核特殊功能寄存器.................................................................................................................................................. 19

7.1.3 寄存器 ......................................................................................................................................................................................... 19

7.2 随机数据存储器（RAM） ............................................................................................................................................................... 20

7.2.1 特性 ............................................................................................................................................................................................. 20

7.2.2 寄存器 ......................................................................................................................................................................................... 20

7.3 FLASH程序存储器 .............................................................................................................................................................................. 21

7.3.1 特性 ............................................................................................................................................................................................. 21

7.3.2 ICP模式下的Flash操作.............................................................................................................................................................. 23

7.4 扇区自编程（SSP）功能 .................................................................................................................................................................. 24

7.4.1 寄存器 ......................................................................................................................................................................................... 24

7.4.2 Flash控制流程图 ........................................................................................................................................................................ 27

7.4.3 SSP编程注意事项....................................................................................................................................................................... 28

7.5 系统时钟和振荡器 ............................................................................................................................................................................ 29

7.5.1 特性 ............................................................................................................................................................................................. 29

7.5.2 时钟定义 ..................................................................................................................................................................................... 29

7.5.3 概述 ............................................................................................................................................................................................. 29

7.5.4 寄存器 ......................................................................................................................................................................................... 30

7.5.5 振荡器类型 ................................................................................................................................................................................. 31

7.5.6 谐振器负载电容选择 ................................................................................................................................................................. 32

7.6 系统时钟监控（SCM） .................................................................................................................................................................... 33

7.7 I/O端口............................................................................................................................................................................................... 34

7.7.1 特性 ............................................................................................................................................................................................. 34

7.7.2 寄存器 ......................................................................................................................................................................................... 34

7.7.3 端口模块图 ................................................................................................................................................................................. 36

7.7.4 端口共用 ..................................................................................................................................................................................... 36

7.8 定时器 ................................................................................................................................................................................................ 40

7.8.1 特性 ............................................................................................................................................................................................. 40

7.8.2 定时器2 ....................................................................................................................................................................................... 40

7.8.3 定时器3 ....................................................................................................................................................................................... 46

7.8.4 定时器4 ....................................................................................................................................................................................... 48

7.8.5 定时器5 ....................................................................................................................................................................................... 51

7.9 中断 .................................................................................................................................................................................................... 53

7.9.1 特性 ............................................................................................................................................................................................. 53

7.9.2 中断允许 ..................................................................................................................................................................................... 53

7.9.3 寄存器 ......................................................................................................................................................................................... 53

7.9.4 中断标志 ..................................................................................................................................................................................... 56

7.9.5 中断向量 ..................................................................................................................................................................................... 58

7.9.6 中断优先级 ................................................................................................................................................................................. 58

7.9.7 中断处理 ..................................................................................................................................................................................... 59

7.9.8 中断响应时间 ............................................................................................................................................................................. 59

7.9.9 外部中断输入 ............................................................................................................................................................................. 60

7.9.10 中断汇总 ................................................................................................................................................................................... 60

增强功能 ........................................................................................................................................................................61

8.1 LCD驱动器 ........................................................................................................................................................................................ 61

8.1.1 寄存器 ......................................................................................................................................................................................... 63

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