S3C9228 S3P9228_集成电路资料查询网

s3c9228/p9228微控制器S vii
表格 的 内容(内容inued)
部分 ii — 硬件 描述
Chapter7 时钟 circuit
Overview ................................................................................................................................................. 7-1
系统 时钟 电路 ....................................................................................................................... 7-1
cpu 时钟 notation ........................................................................................................................ 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
停止 控制 寄存器 (stpcon) .................................................................................................... 7-7
Chapter8
RESETRESET
和 电源-向下
系统 重置 .......................................................................................................................................... 8-1
Overview......................................................................................................................................... 8-1
电源-向下 模式................................................................................................................................. 8-2
停止 模式....................................................................................................................................... 8-2
空闲 模式 ........................................................................................................................................ 8-3
硬件 重置 值 ................................................................................................................... 8-4
Chapter9 i/o 端口
Overview ................................................................................................................................................. 9-1
端口 数据 寄存器 ......................................................................................................................... 9-2
端口 0 .............................................................................................................................................. 9-3
端口 1 .............................................................................................................................................. 9-6
端口 2 .............................................................................................................................................. 9-9
端口 3 .............................................................................................................................................. 9-11
端口 4 .............................................................................................................................................. 9-14
端口 5 .............................................................................................................................................. 9-15
端口 6 .............................................................................................................................................. 9-16
Chapter10 基本 计时器
Overview ................................................................................................................................................. 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

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s3c9228/p9228微控制器S vii 表格的内容(内容inued) 部分 ii — 硬件描述 Chapter7 时钟 circuit Overview ................................................................................................................................................. 7-1 系统时钟电路 ....................................................................................................................... 7-1 cpu 时钟 notation ........................................................................................................................ 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 停止控制寄存器 (stpcon) .................................................................................................... 7-7 Chapter8 RESETRESET 和电源-向下系统重置 .......................................................................................................................................... 8-1 Overview......................................................................................................................................... 8-1 电源-向下模式................................................................................................................................. 8-2 停止模式....................................................................................................................................... 8-2 空闲模式 ........................................................................................................................................ 8-3 硬件重置值 ................................................................................................................... 8-4 Chapter9 i/o 端口 Overview ................................................................................................................................................. 9-1 端口数据寄存器 ......................................................................................................................... 9-2 端口 0 .............................................................................................................................................. 9-3 端口 1 .............................................................................................................................................. 9-6 端口 2 .............................................................................................................................................. 9-9 端口 3 .............................................................................................................................................. 9-11 端口 4 .............................................................................................................................................. 9-14 端口 5 .............................................................................................................................................. 9-15 端口 6 .............................................................................................................................................. 9-16 Chapter10 基本计时器 Overview ................................................................................................................................................. 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

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