AT89C51IC2
中断源和向量地址............................................. ............... 66
电源管理................................................ ............................ 67
重置..................................................................................................................
建议重设预防腐败的Flash ........................................
空闲模式............................................................................................................
掉电模式.............................................. ................................................
67
69
69
69
串行端口接口（ SPI ） ............................................ ....................... 71
Features.............................................................................................................. 71
信号Description............................................................................................... 71
功能说明................................................ ........................................ 73
键盘接口................................................ ............................. 80
Registers............................................................................................................. 81
2线接口（ TWI ） ........................................... .............................. 84
Description.......................................................................................................... 86
笔记.................................................................................................................. 89
Registers............................................................................................................. 99
硬件看门狗定时器............................................... ............... 102
使用WDT ............................................... .................................................. 102
WDT在掉电和空闲............................................ ....................... 103
断电标志.............................................. ..................................... 104
ONCE （ TM ）模式（片上仿真） ........................................ ... 105
降低EMI模式............................................... ............................ 106
闪存EEPROM存储器............................................... .................... 107
Features............................................................................................................
闪存编程和擦除.............................................. ........................
闪存寄存器和存储器映射............................................. .......................
闪存状态............................................... .........................................
存储器构成................................................ .......................................
Bootloader的结构................................................ ....................................
ISP协议说明............................................... ....................................
功能说明................................................ ......................................
流程说明................................................ ...............................................
API调用Description..........................................................................................
107
107
108
111
111
112
116
117
118
126
电气特性................................................ ................. 128
绝对最大额定值............................................... ............................... 128
DC参数标准电压............................................. .................. 128
ii
4301C–8051–06/06
