ATTINY861 Просмотр технического описания (PDF) - Atmel Corporation
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ATTINY861 Datasheet PDF : 236 Pages
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7.10 Clock Output Buffer ..............................................................................................31
7.11 System Clock Prescaler .......................................................................................31
7.12 Register Description .............................................................................................32
8 Power Management and Sleep Modes ................................................. 34
8.1 Sleep Modes ...........................................................................................................34
8.2 Idle Mode ................................................................................................................34
8.3 ADC Noise Reduction Mode ...................................................................................35
8.4 Power-down Mode ..................................................................................................35
8.5 Standby Mode ........................................................................................................35
8.6 Power Reduction Register ......................................................................................35
8.7 Minimizing Power Consumption .............................................................................35
8.8 Register Description ...............................................................................................37
9 System Control and Reset .................................................................... 39
9.1 Internal Voltage Reference .....................................................................................42
9.2 Watchdog Timer .....................................................................................................42
9.3 Timed Sequences for Changing the Configuration of the Watchdog Timer ...........43
9.4 Register Description ...............................................................................................44
10 Interrupts ................................................................................................ 48
10.1 Interrupt Vectors in ATtiny261/461/861 ................................................................48
11 External Interrupts ................................................................................. 50
11.1 Register Description .............................................................................................50
12 I/O Ports .................................................................................................. 53
12.1 Overview ...............................................................................................................53
12.2 Ports as General Digital I/O ..................................................................................54
12.3 Alternate Port Functions .......................................................................................58
12.4 Register Description .............................................................................................68
13 Timer/Counter0 Prescaler ..................................................................... 69
13.1 Register Description .............................................................................................70
14 Timer/Counter0 ....................................................................................... 72
14.1 Features ...............................................................................................................72
14.2 Overview ...............................................................................................................72
14.3 Timer/Counter Clock Sources ..............................................................................73
14.4 Counter Unit .........................................................................................................73
14.5 Modes of Operation ..............................................................................................74
ii ATtiny261/461/861
2588B–AVR–11/06
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