s3c830a/p830a微控制器 vii
表格 的 内容(持续)
部分 ii 硬件 描述
Chapter7 时钟 电路
Overview .................................................................................................................................................7-1
系统 时钟 电路 .......................................................................................................................7-1
时钟 状态 在 电源-向下 模式.........................................................................................7-2
系统 时钟 控制 寄存器 (clkcon) ......................................................................................7-3
Chapter8
RESETRESET
和 电源-向下
系统 重置 ..........................................................................................................................................8-1
Overview.........................................................................................................................................8-1
正常的 模式 重置 运作 ........................................................................................................8-1
硬件 重置 值 ...................................................................................................................8-2
电源-向下 模式.................................................................................................................................8-5
停止 模式.......................................................................................................................................8-5
空闲 模式 ........................................................................................................................................8-6
Chapter9 i/o 端口
Overview .................................................................................................................................................9-1
端口 数据 寄存器 .........................................................................................................................9-3
端口 0 ..............................................................................................................................................9-4
端口 1 ..............................................................................................................................................9-6
端口 2 ..............................................................................................................................................9-9
端口 3 ..............................................................................................................................................9-11
端口 4, 5 ..........................................................................................................................................9-13
端口 6, 7 ..........................................................................................................................................9-14
端口 8 ..............................................................................................................................................9-15
Chapter10 基本 计时器和 计时器 0
Overview .................................................................................................................................................10-1
基本 计时器 (bt) .....................................................................................................................................10-1
基本 计时器 控制 寄存器 (btcon) ...........................................................................................10-2
基本 计时器 函数 描述 ....................................................................................................10-3
8-位 计时器/计数器 0 ..............................................................................................................................10-5
计时器/计数器 0 控制 寄存器 (t0con).....................................................................................10-5
计时器 0 函数 描述...........................................................................................................10-8