s3c828b/f828b/c8289/f8289/c8285/f8285 微控制器 vii
表格 的 内容
(持续)
部分 ii 硬件 描述
chapter 7 时钟 电路
overview........................................................................................................................................................7-1
系统 时钟 电路 ............................................................................................................................7-1
主要的 振荡器 电路.........................................................................................................................7-2
sub 振荡器 电路 ..........................................................................................................................7-2
时钟 状态 在 电源-向下 模式 ............................................................................................7-3
系统 时钟 控制 寄存器 (clkcon) ..........................................................................................7-4
振荡器 控制 寄存器 (osccon) ................................................................................................7-5
切换 这 cpu 时钟......................................................................................................................7-6
chapter 8 重置 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
chapter 9 i/o 端口
overview........................................................................................................................................................9-1
端口 数据 寄存器 ..............................................................................................................................9-2
端口 0 ....................................................................................................................................................9-3
端口 1 ....................................................................................................................................................9-7
端口 2 ....................................................................................................................................................9-9
端口 3 ....................................................................................................................................................9-11
端口 4 ....................................................................................................................................................9-13
端口 5 ....................................................................................................................................................9-15
端口 6 ....................................................................................................................................................9-17
端口 7 ....................................................................................................................................................9-19
端口 8 ....................................................................................................................................................9-20
chapter 10 基本 计时器
overview........................................................................................................................................................10-1
基本 计时器 (bt)...................................................................................................................................10-1
基本 计时器 控制 寄存器 (btcon) ...............................................................................................10-1
基本 计时器 函数 描述.........................................................................................................10-3
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