AT32UC3A3

13.7Security位...........................................................................................................128

13.8User接口......................................................................................................129

13.9Fuses设置.....................................................................................................137

13.10Module配置............................................... .......................................... 138

14 HSB总线矩阵（ HMATRIX ） ........................................... ..................... 139

14.1

产品特点.............................................................................................................139

14.2Overview .............................................................................................................139

14.3Product依赖............................................... ......................................... 139

14.4Functional说明............................................... .......................................... 139

14.5User接口......................................................................................................143

14.6Bus矩阵连接.............................................. ........................................ 152

15外部总线接口（ EBI ） ........................................... ..................... 154

15.1Features ..............................................................................................................154

15.2Overview .............................................................................................................154

15.3Block图.....................................................................................................155

15.4I / O线说明............................................ ............................................... 156

15.5Product依赖............................................... ......................................... 157

15.6Functional说明............................................... .......................................... 159

15.7Application例............................................... ............................................. 166

16静态存储控制器（ SMC ） ........................................... .............. 169

16.1

产品特点.............................................................................................................169

16.2Overview .............................................................................................................169

16.3Block图.....................................................................................................170

16.4I / O线说明............................................ ............................................... 170

16.5Product依赖............................................... ......................................... 170

16.6Functional说明............................................... .......................................... 171

16.7User接口......................................................................................................203

17 SDRAM控制器（ SDRAMC ） ............................................ ................ 210

17.1Features ..............................................................................................................210

17.2Overview .............................................................................................................210

17.3Block图.....................................................................................................211

17.4I / O线说明............................................ ............................................... 211

17.5Application例............................................... ............................................. 211

17.6Product依赖............................................... ......................................... 213

17.7Functional说明............................................... .......................................... 214

954

32072A–AVR32–03/09