C8051F320/1
14.2 。 I / O端口Initialization.....................................................................................................131
14.3 。通用端口I/O...............................................................................................134
15.通用串行总线控制器( USB0 ) ......................................... ........... 143
15.1.Endpoint寻址.....................................................................................................144
15.2 。 USB收发器...........................................................................................................144
15.3 。 USB注册Access.....................................................................................................146
15.4 。 USB时钟配置............................................... .............................................. 150
15.5 。 FIFO Management.........................................................................................................151
15.5.1 。 FIFO拆分模式..................................................................................................151
15.5.2 。 FIFO双缓冲............................................... ........................................ 151
15.5.3 。 FIFO访问........................................................................................................152
15.6 。功能Addressing......................................................................................................153
15.7 。功能配置和控制.............................................. ............................... 154
15.8 。中断.......................................................................................................................157
15.9.The串行接口引擎............................................ ............................................... 161
15.10.Endpoint0.....................................................................................................................161
15.10.1.Endpoint0设置交易........................................... .............................. 162
15.10.2.Endpoint0的交易........................................... ...................................... 162
15.10.3.Endpoint0的交易........................................... .................................. 163
15.11.Configuring Endpoints1-3 ............................................ ............................................... 166
15.12.Controlling Endpoints1-3在........................................... ............................................ 166
15.12.1.Endpoints1-3 IN中断或批量方式...................................... ..................... 166
15.12.2.Endpoints1-3在等时模式........................................ ........................... 167
15.13.Controlling Endpoints1-3 OUT ........................................... ........................................ 170
15.13.1.Endpoints1-3 OUT中断或批量方式...................................... ................. 170
15.13.2.Endpoints1-3 OUT同步模式........................................ ....................... 170
16 。 SMBUS..................................................................................................................................175
16.1 。支持文档..................................................................................................176
16.2 。 SMBus的Configuration....................................................................................................176
16.3 。 SMBus的操作..........................................................................................................177
16.3.1 。 Arbitration............................................................................................................177
16.3.2 。时钟低Extension...........................................................................................178
16.3.3 。 SCL低电平超时............................................... ................................................ 178
16.3.4 。 SCL高电平(SMBus空闲)超时........................................... ............................ 178
16.4 。使用SMBus...........................................................................................................179
16.4.1 。 SMBus配置寄存器............................................... ............................. 180
16.4.2 。 SMB0CN控制寄存器............................................... ................................... 183
16.4.3 。数据Register........................................................................................................186
16.5 。 SMBus的转移Modes.................................................................................................187
16.5.1 。主发送器方式............................................... ..................................... 187
16.5.2 。主机接收模式............................................... .......................................... 188
16.5.3 。从机接收模式............................................... ............................................ 189
16.5.4 。从机发送模式............................................... ........................................ 190
16.6.SMBus状态Decoding................................................................................................191
17. UART0 ..................................................................................................................................193
修订版1.1
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