AT32UC3L
20.3
20.4
20.5
20.6
20.7
20.8
20.9
框图................................................ ............................................... 372
应用框图............................................... .............................. 373
I / O线说明............................................. ....................................... 374
产品相关................................................ .................................. 375
功能说明................................................ ................................... 377
用户界面................................................ ................................................ 423
模块配置................................................ .................................... 447
21串行外设接口（SPI） ........................................... ............... 448
21.1
21.2
21.3
21.4
21.5
21.6
21.7
21.8
21.9
产品特点........................................................................................................448
概观........................................................................................................448
框图................................................ ............................................... 449
应用框图............................................... .............................. 449
I / O线说明............................................. ........................................ 450
产品相关................................................ .................................. 450
功能说明................................................ ................................... 450
用户界面................................................ ................................................ 461
模块配置................................................ .................................... 482
22双线主界面（ TWIM ） ......................................... ............ 483
22.1
22.2
22.3
22.4
22.5
22.6
22.7
22.8
22.9
22.10
产品特点........................................................................................................483
概观........................................................................................................483
缩略语表............................................... ....................................... 484
框图................................................ ............................................... 485
应用框图............................................... .............................. 485
I / O线说明............................................. ........................................ 485
产品相关................................................ .................................. 486
功能说明................................................ ................................... 487
用户界面................................................ ................................................ 499
模块配置................................................ .................................... 515
23两线从接口（ TWIS ） ......................................... ............... 516
23.1
23.2
23.3
23.4
23.5
23.6
产品特点........................................................................................................516
概观........................................................................................................516
缩略语表............................................... ....................................... 517
框图................................................ ............................................... 517
应用框图............................................... .............................. 518
I / O线说明............................................. ........................................ 518
v
32099A–AVR32–06/09
