ATMEGA64RZAV-10PU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA64RZAV-10PU

8-bit Atmel Microcontroller with 64K Bytes In-System Programmable Flash

Atmel Corporation 

ATmega644

1.1 Disclaimer

2. Overview

Typical values contained in this datasheet are based on simulations and characterization of

other AVR microcontrollers manufactured on the same process technology. Min and Max values

will be available after the device is characterized.

The ATmega644 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 ATmega644

achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize

power consumption versus processing speed.

2.1 Block Diagram

Figure 2-1. Block Diagram

VCC

RESET

GND

XTAL1

XTAL2

Power

Supervision

POR / BOD &

RESET

Watchdog

Timer

Watchdog

Oscillator

Oscillator

Circuits /

Clock

Generation

PA7..0

PORT A (8)

PB7..0

PORT B (8)

A/D

Converter

EEPROM

Internal

Bandgap reference

Analog

Comparator

SPI

JTAG

TWI

CPU

FLASH

SRAM

16 bit T/C 1

8 bit T/C 0

8 bit T/C 2

USART 0

2593O–AVR–02/12

PORT C (8)

PC7..0

PORT D (8)

PD7..0

3

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