DS70046E_CN 第 iv 页 2006 Microchip Technology Inc.
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第 5 章 闪存和 EEPROM 编程 5-1
简介 .................................................................................................................................................................. 5-2
表指令操作 ....................................................................................................................................................... 5-2
控制寄存器 ....................................................................................................................................................... 5-5
运行时自编程 (RTSP) ................................................................................................................................. 5-10
数据 EEPROM 编程 ....................................................................................................................................... 5-15
设计技巧 ......................................................................................................................................................... 5-21
相关应用笔记 .................................................................................................................................................. 5-22
版本历史 ......................................................................................................................................................... 5-23
第 6 章 复位中断 6-1
简介 .................................................................................................................................................................. 6-2
不可屏蔽陷阱 .................................................................................................................................................... 6-6
中断处理时序 .................................................................................................................................................. 6-11
中断控制和状态寄存器 ................................................................................................................................... 6-14
中断设置流程 .................................................................................................................................................. 6-42
设计技巧 ......................................................................................................................................................... 6-44
相关应用笔记 .................................................................................................................................................. 6-45
版本历史 ......................................................................................................................................................... 6-46
第 7 章 振荡器 7-1
简介 .................................................................................................................................................................. 7-2
器件时钟和 MIPS .............................................................................................................................................. 7-5
振荡器配置 ....................................................................................................................................................... 7-6
振荡器控制寄存器——OSCCON 和 OSCTUN ............................................................................................... 7-13
主振荡器 ......................................................................................................................................................... 7-20
晶体振荡器 / 陶瓷谐振器 ................................................................................................................................ 7-22
为晶振、时钟模式、 C1、 C2 和 Rs 确定最佳的值 ........................................................................................ 7-24
外部时钟输入 .................................................................................................................................................. 7-25
外部 RC 振荡器 .............................................................................................................................................. 7-26
锁相环 (PLL) ............................................................................................................................................... 7-30
低功耗 32 kHz 晶体振荡器 ............................................................................................................................. 7-31
振荡器起振定时器 (OST) ............................................................................................................................ 7-31
内部快速 RC 振荡器 (FRC) ........................................................................................................................ 7-31
内部低功耗 RC (LPRC)振荡器 ................................................................................................................... 7-32
故障保护时钟监视器 (FSCM) ..................................................................................................................... 7-32
可编程振荡器后分频器 ................................................................................................................................... 7-33
时钟切换工作原理 .......................................................................................................................................... 7-34
设计技巧 ......................................................................................................................................................... 7-38
相关应用笔记 .................................................................................................................................................. 7-39
版本历史 ......................................................................................................................................................... 7-40
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