40.3

40.4

40.5

功能说明................................................ ..................................... 588

编程接口................................................ .................................... 599

以太网10/100 MAC （ EMAC ）用户界面........................................ ......... 602

41 AT91SAM7XC256 / 128电气特性.............................. 635

41.1

41.2

41.3

41.4

41.5

41.6

41.7

41.8

绝对最大额定值............................................... .............................. 635

直流特性................................................ .......................................... 636

功耗................................................ ........................................ 638

晶体振荡器特性............................................... .................... 640

PLL特征................................................ ......................................... 641

USB收发器特性............................................... ...................... 642

ADC特性................................................ ....................................... 644

AC特征................................................ ........................................... 645

42 AT91SAM7XC256 / 128机械特性........................... 653

42.1

42.2

42.3

散热注意事项................................................ .................................. 653

封装图纸................................................ .......................................... 654

焊接简介................................................ .............................................. 656

43 AT91SAM7XC256 / 128订购信息..................................... 657

44出口管制声明.............................................. .............. 657

45 AT91SAM7XC256 / 128勘误表............................................. .................. 659

45.1

45.2

45.3

45.4

45.5

45.6

45.7

45.8

以太网MAC （ EMAC ） ............................................. ....................................... 659

外设输入/输出（ PIO ） ........................................... ............................... 659

脉冲宽度调制控制器（ PWM ） ........................................... ........... 660

串行外设接口（SPI ） ............................................ .......................... 660

同步串行控制器（ SSC ） ............................................ .................. 661

三重数据加密标准（ TDES ） ........................................... ............. 662

双线接口（ TWI ） ........................................... ...................................... 662

通用同步异步收发器（ USART ） .......... 663

修订历史................................................ .................................... 665

目录............................................... ........................................我

第八

AT91SAM7XC256 / 128初步

6209B–ATARM–10-Feb-06