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XMEGA A3
29.1Features ................................................................................................................48
29.2Overview ...............................................................................................................48
29.3JTAG接口......................................................................................................48
29.4PDI - 编程和调试接口........................................... ........................... 48
引脚30和引脚功能............................................. ......................... 49
30.1Alternate引脚功能说明............................................. ........................... 49
30.2Alternate引脚功能.............................................. ........................................... 51
31外设模块地址地图............................................. ............. 54
32指令集摘要.............................................. ........................ 55
33包装信息............................................... ........................... 59
33.164A ........................................................................................................................59
33.264M2 .....................................................................................................................60
34电气特性............................................... ....................... 61
34.1Absolute最大额定值* ............................................. .................................... 61
34.2DC特点............................................... ................................................. 61
34.3Operating电压和频率............................................. ........................... 63
34.4Flash和EEPROM存储器特性............................................ ........... 64
34.5ADC特点............................................... ............................................... 65
34.6DAC特点............................................... ............................................... 66
34.7Analog比较特点.............................................. ......................... 66
34.8Bandgap特点............................................... ........................................ 66
34.9Brownout检测特性.............................................. ........................ 67
34.10PAD特点............................................... ............................................. 67
34.11POR特点............................................... ............................................. 68
34.12Reset特点............................................... ........................................... 68
34.13Oscillator特点............................................... ...................................... 68
35典型特征............................................... ........................... 69
35.1Active电源电流.............................................. .............................................. 69
35.2Idle电源电流.............................................. .................................................. 72
35.3Power下电源电流............................................ ..................................... 76
35.4Power ，节省电源电流............................................ ...................................... 77
35.5Pin拉.............................................................................................................77
35.6Pin输出电压与漏/源出电流........................................ ................. 79
35.7Pin阈值和迟滞............................................. ................................. 82
iv
8068N–AVR–10/09
