示例............................................................................................................ 39

Registers............................................................................................................. 40

程序/代码存储器.............................................. ........................ 41

外部程序存储器访问.............................................. ............................ 42

闪存架构............................................... .................................. 43

FM0业务概述.............................................. ................................ 47

运行内存交叉存取.............................................. ....... 56

分享说明................................................ ........................... 57

在系统编程（ ISP ） ........................................... ................ 59

闪存编程和擦除.............................................. ..........................

引导过程......................................................................................................

应用程序编程接口............................................... ......................

XROW Bytes.......................................................................................................

硬件安全字节............................................... .......................................

59

59

61

61

62

串行I / O端口............................................. ........................................ 63

帧错误检测............................................... .....................................

自动地址识别............................................... ...........................

鉴于地址................................................ .................................................. 。

广播地址................................................ ............................................

Registers.............................................................................................................

63

64

65

65

66

定时器/计数器............................................... .................................. 69

定时器/计数器操作.............................................. ....................................

定时器0................................................................................................................

定时器1................................................................................................................

中断..............................................................................................................

Registers.............................................................................................................

69

69

72

73

73

定时器2 ................................................ ................................................. 77

自动加载模式.............................................. ............................................... 77

可编程时钟输出.............................................. ................................ 78

Registers............................................................................................................. 79

看门狗定时器................................................ ................................. 82

Watchdog编程................................................ ..................................... 83

看门狗定时器在掉电模式和空闲......................................... 84

CAN控制器................................................ .................................... 86

CAN协议...................................................................................................... 86

CAN控制器的说明............................................... .................................. 90

CAN控制器的邮箱和寄存器组织.......................................... 91

ii

AT89C51CC03

4182I–CAN–06/05