7.4 特殊操作 ..........................................................................................................................97
7.4.1 复位序列 .............................................................................................................97
7.4.2 中断序列 .............................................................................................................97
7.4.3 等待模式 .............................................................................................................98
7.4.4 停止模式 .............................................................................................................98
7.4.5 背景模式 .............................................................................................................98
7.5 HCS08 指令设置摘要 .......................................................................................................99
第8 章键盘中断（S08KBIV1）
8.1 简介 ............................................................................................................................... 111
8.2 键盘引脚复用 ................................................................................................................. 111
8.3 特性 ............................................................................................................................... 111
8.3.1 KBI 模块结构图 ................................................................................................. 113
8.4 寄存器定义 ..................................................................................................................... 113
8.4.1 KBI 状态控制寄存器（KBISC）........................................................................ 113
8.4.2 KBI 引脚使能寄存器（KBIPE）........................................................................ 114
8.5 功能描述 ........................................................................................................................ 114
8.5.1 引脚使能 ........................................................................................................... 114
8.5.2 边沿和电平触发................................................................................................. 114
8.5.3 KBI 中断控制 ..................................................................................................... 115
第9 章内部时钟发生器(S08ICGV4)
9.1 概述 ............................................................................................................................... 119
9.1.1 特性................................................................................................................... 119
9.1.2 操作模式 ........................................................................................................... 119
9.1.3 功能结构图 ........................................................................................................120
9.2 外部信号描述 .................................................................................................................121
9.2.1 EXTAL—外部参考时钟/ 振荡器输入 ................................................................121
9.2.2 XTAL—振荡器输出 ...........................................................................................121
9.2.3 外部时钟连接 ....................................................................................................121
9.2.4 外部晶振/ 谐振器连接.......................................................................................121
9.3 寄存器定义 .....................................................................................................................122
9.3.1 ICG 控制寄存器1 （ICGC1）...........................................................................122
9.3.2 ICG 控制寄存器2 （ICGC2）...........................................................................123
9.3.3 ICG 状态寄存器1 （ICGS1）............................................................................124
9.3.4 ICG 状态寄存器2 （ICGS2）............................................................................125
9.3.5 ICG 滤波器寄存器（ICGFLTU、ICGFLTL） ...................................................126
9.3.6 ICG 调整寄存器（ICGTRM）...........................................................................127
9.4 功能描述 ........................................................................................................................127
9.4.1 OFF 模式 ..........................................................................................................127
9.4.2 自时钟模式（SCM）.........................................................................................128
9.4.3 FLL 内部时钟模式（FEI）................................................................................129
9.4.4 FLL 内部未锁定 .................................................................................................129
9.4.5 FLL 内部锁定 ....................................................................................................130
9.4.6 FLL 旁路外部时钟模式（FBE）........................................................................130
MC9S08AC16 系列微控制器数据手册, 第6 版
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