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AT32UC3A
17个外部中断控制器（ EIC ） ........................................... ......... 105
17.1Features ..............................................................................................................105
17.2Description ...........................................................................................................105
17.3Block图.....................................................................................................106
17.4Product依赖............................................... ......................................... 106
17.5Functional说明............................................... .......................................... 107
17.6User接口......................................................................................................109
18 Flash控制器（的FlashC ） ............................................ ...................... 115
18.1Features ..............................................................................................................115
18.2Description ...........................................................................................................115
18.3Product依赖............................................... .......................................... 115
18.4Functional说明............................................... ........................................... 116
18.5Flash命令............................................... .................................................. 118
18.6General用熔丝位............................................ ....................................... 120
18.7Security位...........................................................................................................122
18.8User接口......................................................................................................123
19 HSB总线矩阵（ HMATRIX ） ........................................... ..................... 132
19.1
产品特点..............................................................................................................132
19.2Description ...........................................................................................................132
19.3Memory映射............................................... .................................................. 132
19.4Special总线授予机制............................................. .......................... 132
19.5Arbitration ............................................................................................................133
19.6Slave和主分配............................................. ................................ 135
19.7User接口......................................................................................................136
20外部总线接口（ EBI ） ........................................... ..................... 145
20.1Features ..............................................................................................................145
20.2Description ...........................................................................................................145
20.3Block图.....................................................................................................146
20.4I / O线说明............................................ ............................................... 147
20.5Application例............................................... ............................................. 148
20.6Product依赖............................................... ......................................... 151
20.7Functional说明............................................... .......................................... 151
21外设DMA控制器（ PDCA ） ........................................... .......... 153
21.1Features ..............................................................................................................153
21.2Overview ..............................................................................................................153
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32058H–AVR32–03/09
