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ATMEGA329V-8AU

Name: ATMEGA329V-8AU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 64TQFP

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Mfr。パート #ATMEGA329V-8AU
パッケージ 64-TQFP
データシート ATMEGA329V-8AU DataSheet
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仕様

Supplier	Microchip Technology
Package	Tray
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	8MHz
Connectivity	SPI, UART/USART, USI
Peripherals	Brown-out Detect/Reset, LCD, POR, PWM, WDT
NumberofI/O	54
ProgramMemorySize	32KB (16K x 16)
ProgramMemoryType	FLASH
EEPROMSize	1K x 8
RAMSize	2K x 8
Voltage-Supply(Vcc/Vdd)	1.8V ~ 5.5V
DataConverters	A/D 8x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	64-TQFP

概要

Description

ATmega329V-8AU is an 8-bit AVR microcontroller from Atmel (now Microchip) in a 32-pin TQFP package (AU). It uses the AVR RISC core for compact, low-power embedded control.
Key points:
- Memory: nonvolatile flash for code, EEPROM, and SRAM for runtime data.
- Peripherals: multiple I/O pins, timers with PWM, ADC, and serial interfaces (USART/UART, SPI, I2C/TWI). Includes watchdog, brown-out detector, and various clock options with sleep modes for low power.
- Voltage/speed: designed for wide supply voltages (typical 1.8–5.5 V) with clock frequencies depending on voltage.
- Development: supported by AVR-GCC, Atmel Studio, and other toolchains; programmable via SPI or bootloader.
- Applications: suitable for small embedded controllers, sensor interfacing, hobby electronics, and simple automation.
Note: exact flash/EEPROM/SRAM sizes and peripheral counts vary by variant; consult the datasheet for the -8AU specifics.

Features

ATmega329V-8AU is a low-pin AVR 8-bit microcontroller (28-pin package) with:
- 8-bit AVR RISC core; up to about 8 MIPS at 8 MHz
- Flash: 8 KB program memory
- EEPROM: 512 bytes
- SRAM: 512 bytes
- I/O: ~23 general-purpose I/O lines
- Timers: two 8-bit Timer/Counters, one 16-bit Timer/Counter with PWM
- ADC: 10-bit ADC (multiple input channels)
- Serial interfaces: USART, SPI, I2C (TWI)
- Power management: Watchdog Timer, Brown-out Detector
- Low-power modes: Idle, Power-down, Standby
- Clocking: internal RC oscillator and external crystal/resonator support
- In-system programming (ISP) via SPI; high-voltage programming option
- Operating voltage: 2.7V–5.5V
- Package: 28-pin, AU designation (28-pin TQFP/SOIC variants)

Package

The ATMEGA329V-8AU uses a 44-pin Thin Quad Flat Pack (TQFP) surface-mount package.

Pinout

- Pin count: 32 pins (TQFP-32 package, package code -AU).
- Function: An 8-bit AVR microcontroller (ATmega329V) in the megaAVR family, used for embedded control; includes CPU core, on-chip flash memory, RAM, EEPROM, timers, I/O ports, and various peripherals.

Manufacturer

- Manufacturer: Atmel Corporation (now part of Microchip Technology).
- Company type: A semiconductor company that designs and manufactures microcontrollers, memories, and other embedded processing solutions.

Application

ATmega329V-8AU is an 8‑bit AVR MCU suitable for low‑power, cost‑effective embedded control. Typical application areas include:
- Consumer electronics and home appliances
- Automation and building control
- Data logging and instrumentation
- Sensor interfaces and motor/actuator control
- IoT/remote sensor nodes
- Hobbyist/educational robotics
- Portable battery-powered devices

Equivalent

There isn’t an exact drop‑in equivalent for ATMEGA329V-8AU; it’s a specific 8‑KB AVR in a particular package. Closest substitutes by memory within the AVR line are: ATmega8A (8 KB), ATmega48/88/168 (4/8/16 KB), and ATmega328P (32 KB). For pin‑out compatibility, consult Microchip/Atmel cross‑references; migration often requires wiring changes and code adjustments.