Datasheet

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ATtiny25/45/85 [DATASHEET]
2586Q–AVR–08/2013
13.2 Counter and Compare Units ............................................................................95
13.3 Register Description ......................................................................................100
14 Dead Time Generator ...........................................................................105
14.1 Register Description ......................................................................................106
15 USI – Universal Serial Interface ..........................................................108
15.1 Features ........................................................................................................108
15.2 Overview ........................................................................................................108
15.3 Functional Descriptions .................................................................................109
15.4 Alternative USI Usage ...................................................................................114
15.5 Register Descriptions ....................................................................................115
16 Analog Comparator ..............................................................................119
16.1 Analog Comparator Multiplexed Input ...........................................................119
16.2 Register Description ......................................................................................120
17 Analog to Digital Converter .................................................................122
17.1 Features ........................................................................................................122
17.2 Overview ........................................................................................................122
17.3 Operation .......................................................................................................123
17.4 Starting a Conversion ....................................................................................124
17.5 Prescaling and Conversion Timing ................................................................125
17.6 Changing Channel or Reference Selection ...................................................128
17.7 ADC Noise Canceler .....................................................................................128
17.8 Analog Input Circuitry ....................................................................................129
17.9 Noise Canceling Techniques .........................................................................129
17.10 ADC Accuracy Definitions .............................................................................130
17.11 ADC Conversion Result .................................................................................132
17.12 Temperature Measurement ...........................................................................133
17.13 Register Description ......................................................................................134
18 debugWIRE On-chip Debug System ...................................................139
18.1 Features ........................................................................................................139
18.2 Overview ........................................................................................................139
18.3 Physical Interface ..........................................................................................139
18.4 Software Break Points ...................................................................................140
18.5 Limitations of debugWIRE .............................................................................140
18.6 Register Description ......................................................................................140
19 Self-Programming the Flash ...............................................................141