AT91SAM7XC256 / 128初步

13.1

13.2

13.3

13.4

13.5

描述........................................................................................................43

框图...................................................................................................43

应用实例................................................ ........................................ 44

调试和测试引脚说明............................................. ........................... 45

功能说明................................................ ....................................... 46

14复位控制器（ RSTC ） ............................................ ............................ 55

14.1

14.2

14.3

14.4

概观...........................................................................................................55

框图...................................................................................................55

功能说明................................................ ....................................... 56

复位控制器（ RSTC ）用户界面........................................... ................. 65

15实时定时器（ RTT ） .......................................... .................................. 69

15.1

15.2

15.3

15.4

概观...........................................................................................................69

框图...................................................................................................69

功能说明................................................ ....................................... 69

实时定时器（ RTT ）的用户界面......................................... ...................... 71

16周期性间隔定时器（ PIT ） ........................................... ...................... 75

16.1

16.2

16.3

16.4

概观...........................................................................................................75

框图...................................................................................................75

功能说明................................................ ....................................... 76

周期性间隔定时器（ PIT ）用户界面.......................................... ............ 78

17看门狗定时器（WDT ） ............................................ ............................. 81

17.1

17.2

17.3

17.4

概观...........................................................................................................81

框图...................................................................................................81

功能说明................................................ ....................................... 82

看门狗定时器（ WDT）用户界面........................................... .................. 84

18电压调节器模式控制器（ VREG ） ........................................ 87

18.1

18.2

概观...........................................................................................................87

电压调节器电源控制器（ VREG ）用户界面............................. 88

19内存控制器（ MC ） ............................................ ............................ 89

19.1

19.2

19.3

19.4

概观...........................................................................................................89

框图...................................................................................................89

功能说明................................................ ....................................... 90

内存控制器（ MC ）用户界面........................................... ................. 94

20嵌入式Flash控制器（ EFC ） ........................................... ............ 99

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6209B–ATARM–10-Feb-06