ATTINY43U View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
ATTINY43U
Atmel Corporation
ATTINY43U Datasheet PDF : 210 Pages
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7.2 Software BOD Disable .....................................................................................31
7.3 Power Reduction Register ...............................................................................31
7.4 Minimizing Power Consumption ......................................................................32
7.5 Register Description ........................................................................................33
8 Power Supply and On-Chip Boost Converter ...................................... 35
8.1 Overview ..........................................................................................................35
8.2 Modes of Operation .........................................................................................36
8.3 Output Voltage versus Load Current ...............................................................39
8.4 Overload Behaviour .........................................................................................41
8.5 Software Control of Boost Converter ...............................................................41
8.6 Component Selection ......................................................................................42
8.7 Characteristics .................................................................................................45
8.8 Potential Limitations ........................................................................................45
8.9 Bypassing the Boost Converter .......................................................................45
8.10 Register Description ........................................................................................45
9 System Control and Reset .................................................................... 46
9.1 Resetting the AVR ...........................................................................................46
9.2 Reset Sources .................................................................................................47
9.3 Internal Voltage Reference ..............................................................................49
9.4 Watchdog Timer ..............................................................................................49
9.5 Register Description ........................................................................................52
10 Interrupts ................................................................................................ 55
10.1 Interrupt Vectors ..............................................................................................55
10.2 External Interrupts ...........................................................................................56
10.3 Register Description ........................................................................................57
11 I/O Ports .................................................................................................. 60
11.1 Introduction ......................................................................................................60
11.2 Ports as General Digital I/O .............................................................................61
11.3 Alternate Port Functions ..................................................................................65
11.4 Register Description ........................................................................................76
12 8-bit Timer/Counter with PWM (Timer/Counter0 and Timer/Counter1) .
77
12.1 Features ..........................................................................................................77
12.2 Overview ..........................................................................................................77
12.3 Timer/Counter Clock Sources .........................................................................78
ii ATtiny43U
8048C–AVR–02/12
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