Table Of Contents - Atmel ATmega164P/V Manual De Usuario

Table of Contents

Features ..................................................................................................... 1
1 Pin Configurations ................................................................................... 2
2 Overview ................................................................................................... 3
2.1 Block Diagram ..........................................................................................................3
2.2 Comparison Between ATmega164P, ATmega324P and ATmega644P ..................4
2.3 Pin Descriptions .......................................................................................................4
3 Resources ................................................................................................. 7
4 About Code Examples ............................................................................. 8
5 Data Retention .......................................................................................... 8
6 AVR CPU Core .......................................................................................... 9
6.1 Overview ..................................................................................................................9
6.2 ALU – Arithmetic Logic Unit ...................................................................................10
6.3 Status Register .......................................................................................................10
6.4 General Purpose Register File ...............................................................................12
6.5 Stack Pointer ..........................................................................................................13
6.6 Instruction Execution Timing ..................................................................................14
6.7 Reset and Interrupt Handling .................................................................................15
7 AVR Memories ........................................................................................ 18
7.1 Overview ................................................................................................................18
7.2 In-System Reprogrammable Flash Program Memory ............................................18
7.3 SRAM Data Memory ..............................................................................................19
7.4 EEPROM Data Memory .........................................................................................21
7.5 I/O Memory .............................................................................................................22
7.6 Register Description ...............................................................................................23
8 System Clock and Clock Options ......................................................... 29
8.1 Clock Systems and their Distribution ......................................................................29
8.2 Clock Sources ........................................................................................................30
8.3 Low Power Crystal Oscillator ..................................................................................32
8.4 Full Swing Crystal Oscillator ...................................................................................33
8.5 Low Frequency Crystal Oscillator ...........................................................................34
8.6 Calibrated Internal RC Oscillator ............................................................................36
8.7 128 kHz Internal Oscillator .....................................................................................37
8.8 External Clock ........................................................................................................37
8.9 Timer/Counter Oscillator ........................................................................................38
8.10 Clock Output Buffer ..............................................................................................38
8.11 System Clock Prescaler .......................................................................................38
8.12 Register Description .............................................................................................40
9 Power Management and Sleep Modes ................................................. 42
9.1 Overview ................................................................................................................42
9.2 Sleep Modes ..........................................................................................................42
9.3 BOD Disable ...........................................................................................................43
9.4 Idle Mode ................................................................................................................43
9.5 ADC Noise Reduction Mode ..................................................................................43
9.6 Power-down Mode .................................................................................................44
9.7 Power-save Mode ..................................................................................................44