Rainbow-electronics ATmega162V Manuel d'utilisateur télécharger pdf (Page 3)

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101

ATmega162/V

2513E–AVR–09/03

Overview The ATmega162 is a low-power CMOS 8-bit microcontroller based on the AVR

enhanced RISC architecture. By executing powerful instructions in a single clock cycle,

the ATmega162 achieves throughputs approaching 1 MIPS per MHz allowing the sys-

tem designer to optimize power consumption versus processing speed.

Block Diagram Figure 2. Block Diagram

INTERNAL

OSCILLATOR

WATCHDOG

TIMER

MCU CTRL.

& TIMING

OSCILLATOR

TIMERS/

COUNTERS

INTERRUPT

UNIT

STACK

POINTER

EEPROM

SRAM

STATUS

USART0

PROGRAM

COUNTER

PROGRAM

FLASH

INSTRUCTION

DECODER

PROGRAMMING

LOGIC

SPI

COMP.

INTERFACE

PORTA DRIVERS/BUFFERS

PORTA DIGITAL INTERFACE

GENERAL

PURPOSE

REGISTERS

ALU

PORTC DRIVERS/BUFFERS

PORTC DIGITAL INTERFACE

PORTB DIGITAL INTERFACE

PORTB DRIVERS/BUFFERS

PORTD DIGITAL INTERFACE

PORTD DRIVERS/BUFFERS

XTAL1

XTAL2

RESET

CONTROL

LINES

VCC

GND

PA0 - PA7 PC0 - PC7

PD0 - PD7PB0 - PB7

AVR CPU

INTERNAL

CALIBRATED

OSCILLATOR

PORTE

DRIVERS/

BUFFERS

PORTE

DIGITAL

INTERFACE

PE0 - PE2

USART1

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Rainbow-electronics ATmega162V Manuel d'utilisateur Page 3

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