Datasheet

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Enter Title of Manual [DATASHEET]
8159E–AVR–02/2013
19.4 Data Modes ...................................................................................................121
19.5 Register Description ......................................................................................123
20 USART ...................................................................................................125
20.1 Features ........................................................................................................125
20.2 Overview ........................................................................................................125
20.3 Clock Generation ...........................................................................................127
20.4 Frame Formats ..............................................................................................129
20.5 USART Initialization .......................................................................................130
20.6 Data Transmission – The USART Transmitter ..............................................131
20.7 Asynchronous Data Reception ......................................................................138
20.8 Multi-processor Communication Mode ..........................................................141
20.9 Accessing UBRRH/UCSRC Registers ...........................................................142
20.10 Register Description ......................................................................................143
20.11 Examples of Baud Rate Setting .....................................................................147
21 Two-wire Serial Interface ..................................................................... 152
21.1 Features ........................................................................................................152
21.2 Overview ........................................................................................................152
21.3 Two-wire Serial Interface Bus Definition ........................................................154
21.4 Data Transfer and Frame Format ..................................................................155
21.5 Multi-master Bus Systems, Arbitration and Synchronization .........................157
21.6 Using the TWI ................................................................................................159
21.7 Multi-master Systems and Arbitration ............................................................174
21.8 Register Description ......................................................................................176
22 Analog Comparator .............................................................................. 179
22.1 Overview ........................................................................................................179
22.2 Analog Comparator Multiplexed Input ...........................................................179
22.3 Register Description ......................................................................................180
23 Analog-to-Digital Converter ................................................................ 182
23.1 Features ........................................................................................................182
23.2 Overview ........................................................................................................182
23.3 Starting a Conversion ....................................................................................184
23.4 Prescaling and Conversion Timing ................................................................184
23.5 Changing Channel or Reference Selection ...................................................186
23.6 ADC Noise Canceler .....................................................................................187
23.7 ADC Conversion Result .................................................................................190