ATMEGA325V-8AU Atmel, ATMEGA325V-8AU Datasheet - Page 10
ATMEGA325V-8AU
Manufacturer Part Number
ATMEGA325V-8AU
Description
IC AVR MCU 32K 8MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA325V-8AU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA325V-8AU
Manufacturer:
IXYS
Quantity:
230
Company:
Part Number:
ATMEGA325V-8AU
Manufacturer:
ATMEL
Quantity:
52
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6. AVR CPU Core
6.1
6.2
2570M–AVR–04/11
Overview
Architectural Overview
This section discusses the Atmel
CPU core is to ensure correct program execution. The CPU must therefore be able to access
memories, perform calculations, control peripherals, and handle interrupts.
Figure 6-1.
In order to maximize performance and parallelism, the AVR uses a Harvard architecture – with
separate memories and buses for program and data. Instructions in the program memory are
executed with a single level pipelining. While one instruction is being executed, the next instruc-
tion is pre-fetched from the program memory. This concept enables instructions to be executed
in every clock cycle. The program memory is In-System Reprogrammable Flash memory.
Control Lines
Instruction
Instruction
Program
Memory
Block Diagram of the AVR Architecture
Register
Decoder
Flash
Program
Counter
®
AVR
®
core architecture in general. The main function of the
ATmega325/3250/645/6450
and Control
EEPROM
Registrers
I/O Lines
Purpose
General
SRAM
Data Bus 8-bit
Status
32 x 8
Data
ALU
I/O Module 2
Comparator
I/O Module1
I/O Module n
Watchdog
Interrupt
Timer
Analog
Unit
Unit
SPI
10
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