C8051F020/1/2/3
10.电压基准（ C8051F021 / 3 ） ......................................... ................................. 93
11 。 COMPARATORS..................................................................................................................95
12. CIP -51 MICROCONTROLLER........................................................................................101
12.1 。指令Set................................................................................................................102
12.1.1 。指令和CPU时序.............................................. .................................. 102
12.1.2 。 MOVX指令和程序存储器............................................. .............. 102
12.2 。存储器组织...................................................................................................107
12.2.1 。程序存储器................................................ ................................................. 107
12.2.2 。数据存储器.......................................................................................................108
12.2.3 。通用寄存器............................................... .................................... 108
12.2.4 。位寻址空间............................................... .................................... 108
12.2.5 。堆.................................................................................................................108
12.2.6 。特殊功能寄存器............................................... .................................... 109
12.2.7 。注册说明................................................ ........................................... 113
12.3 。中断处理程序...........................................................................................................116
12.3.1 。 MCU中断源和载体............................................. ...................... 116
12.3.2 。外部中断................................................ ............................................... 116
12.3.3 。中断Priorities................................................................................................118
12.3.4 。中断Latency..................................................................................................118
12.3.5 。中断寄存器说明............................................... ............................. 119
12.4 。电源管理模式............................................... ............................................ 125
12.4.1 。空闲模式.............................................................................................................125
12.4.2 。停止Mode............................................................................................................125
13.复位源..............................................................................................................127
13.1 。上电Reset..............................................................................................................128
13.2 。掉电复位............................................................................................................128
13.3 。外Reset................................................................................................................129
13.4 。软件强制Reset...................................................................................................129
13.5 。时钟丢失检测器复位.............................................. ......................................... 129
13.6.Comparator0复位........................................................................................................129
13.7 。外部CNVSTR引脚复位.............................................. ........................................... 129
13.8 。看门狗定时器复位..................................................................................................129
13.8.1 。启用/复位WDT .............................................. ................................................ 130
13.8.2 。禁止WDT .......................................................................................................130
13.8.3 。禁止WDT锁定............................................... .......................................... 130
13.8.4 。设置WDT Interval...........................................................................................130
14 。 OSCILLATORS...................................................................................................................135
14.1 。外部晶体Example..............................................................................................138
14.2 。外部RC示例....................................................................................................138
14.3 。外部电容举例............................................... ........................................... 138
15. FLASH MEMORY ..............................................................................................................139
15.1 。闪存编程.............................................. ............................... 139
15.2 。非易失性数据存储............................................. ................................................ 140
15.3 。安全选项............................................................................................................140
16.外部数据存储器接口和片内XRAM ....................... 145
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