規格
| 屬性 | 價值 |
| Package | Tray |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 16MHz |
| Connectivity | SPI, UART/USART, USI |
| Peripherals | Brown-out Detect/Reset, 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) | 2.7V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 64-TQFP |
概述
Description
The ATmega325-16AU is an 8-bit microcontroller from Microchip’s AVR family, based on the RISC architecture. Key features include:
- 16 MHz clock speed (16AU suffix)
- 32KB Flash, 2KB SRAM, 1KB EEPROM
- 53 I/O pins with versatile peripherals (UART, SPI, I²C, ADC, PWM)
- Operating voltage: 2.7V–5.5V
- Packaging: 64-pin TQFP (AU suffix)
Ideal for embedded applications requiring moderate processing, it supports In-System Programming (ISP) and JTAG debugging. Its robust peripheral set makes it suitable for industrial control, automation, and consumer electronics.
For detailed specs, refer to the ATmega325 datasheet.
- 16 MHz clock speed (16AU suffix)
- 32KB Flash, 2KB SRAM, 1KB EEPROM
- 53 I/O pins with versatile peripherals (UART, SPI, I²C, ADC, PWM)
- Operating voltage: 2.7V–5.5V
- Packaging: 64-pin TQFP (AU suffix)
Ideal for embedded applications requiring moderate processing, it supports In-System Programming (ISP) and JTAG debugging. Its robust peripheral set makes it suitable for industrial control, automation, and consumer electronics.
For detailed specs, refer to the ATmega325 datasheet.
Equivalent
Equivalent products to the ATMEGA325-16AU include:
- ATMEGA325P-16AU (same specs, picoPower variant).
- ATMEGA645-16AU (higher memory, pin-compatible).
- ATMEGA325-16MU (QFN package alternative).
- ATMEGA3250-16AU (similar with extra I/O).
Check datasheets for exact compatibility. Alternatives from other brands (Microchip, NXP) may require adjustments.
- ATMEGA325P-16AU (same specs, picoPower variant).
- ATMEGA645-16AU (higher memory, pin-compatible).
- ATMEGA325-16MU (QFN package alternative).
- ATMEGA3250-16AU (similar with extra I/O).
Check datasheets for exact compatibility. Alternatives from other brands (Microchip, NXP) may require adjustments.
Features
The ATmega325-16AU is an 8-bit AVR microcontroller with these key features:
- Core: 8-bit AVR, up to 16 MHz clock speed.
- Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM.
- I/O: 53 programmable I/O pins.
- Timers: Three 16-bit timers/counters, one 8-bit timer.
- ADC: 8-channel 10-bit ADC.
- Communication: USART, SPI, I²C (TWI).
- PWM: Six PWM channels.
- Special Features: JTAG debugging, On-chip oscillator, Watchdog timer.
- Package: 64-pin TQFP.
- Operating Voltage: 2.7V–5.5V.
Ideal for embedded control, automation, and consumer electronics.
- Core: 8-bit AVR, up to 16 MHz clock speed.
- Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM.
- I/O: 53 programmable I/O pins.
- Timers: Three 16-bit timers/counters, one 8-bit timer.
- ADC: 8-channel 10-bit ADC.
- Communication: USART, SPI, I²C (TWI).
- PWM: Six PWM channels.
- Special Features: JTAG debugging, On-chip oscillator, Watchdog timer.
- Package: 64-pin TQFP.
- Operating Voltage: 2.7V–5.5V.
Ideal for embedded control, automation, and consumer electronics.
Pinout
The ATMEGA325-16AU is a 44-pin microcontroller from Atmel's AVR family. Key features include:
- Pin Count: 44 (TQFP package).
- Core: 8-bit AVR, 16 MHz max clock speed.
- Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM.
- I/O Pins: 32 programmable I/O lines.
- Peripherals:
- 4x 8-bit PWM channels.
- 8x 10-bit ADC channels.
- USART, SPI, I²C for serial communication.
- 3x timers/counters (2x 8-bit, 1x 16-bit).
- Special Features: In-system programmable (ISP), JTAG debugging support.
Designed for embedded control, it suits applications like industrial systems, consumer electronics, and automation.
- Pin Count: 44 (TQFP package).
- Core: 8-bit AVR, 16 MHz max clock speed.
- Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM.
- I/O Pins: 32 programmable I/O lines.
- Peripherals:
- 4x 8-bit PWM channels.
- 8x 10-bit ADC channels.
- USART, SPI, I²C for serial communication.
- 3x timers/counters (2x 8-bit, 1x 16-bit).
- Special Features: In-system programmable (ISP), JTAG debugging support.
Designed for embedded control, it suits applications like industrial systems, consumer electronics, and automation.
Manufacturer
The ATMEGA325-16AU is manufactured by Microchip Technology, a leading American semiconductor company specializing in microcontrollers, analog, and Flash-IP solutions.
Microchip, founded in 1989, is known for its AVR and PIC microcontroller families, widely used in embedded systems. The ATmega325-16AU is part of the AVR series, offering high performance, low power consumption, and versatile applications in automation, consumer electronics, and IoT.
Microchip is a major player in the semiconductor industry, known for innovation, reliability, and extensive product support.
Microchip, founded in 1989, is known for its AVR and PIC microcontroller families, widely used in embedded systems. The ATmega325-16AU is part of the AVR series, offering high performance, low power consumption, and versatile applications in automation, consumer electronics, and IoT.
Microchip is a major player in the semiconductor industry, known for innovation, reliability, and extensive product support.
Application
The ATmega325-16AU is a versatile 8-bit microcontroller from Microchip's AVR family, commonly used in:
- Embedded Systems: Control applications, automation, and IoT devices.
- Consumer Electronics: Home appliances, toys, and gadgets.
- Industrial Automation: Sensor interfacing, motor control, and monitoring systems.
- Automotive: Basic control units, dashboard systems, and lighting.
- Hobbyist Projects: Arduino-compatible DIY electronics and robotics.
With 32KB Flash, 2KB SRAM, 1KB EEPROM, and 16MHz operation, it suits cost-sensitive, low-power applications requiring moderate processing. Its 40-pin TQFP package supports multiple I/Os, making it ideal for compact designs.
- Embedded Systems: Control applications, automation, and IoT devices.
- Consumer Electronics: Home appliances, toys, and gadgets.
- Industrial Automation: Sensor interfacing, motor control, and monitoring systems.
- Automotive: Basic control units, dashboard systems, and lighting.
- Hobbyist Projects: Arduino-compatible DIY electronics and robotics.
With 32KB Flash, 2KB SRAM, 1KB EEPROM, and 16MHz operation, it suits cost-sensitive, low-power applications requiring moderate processing. Its 40-pin TQFP package supports multiple I/Os, making it ideal for compact designs.
Package
The ATmega325-16AU comes in a TQFP (Thin Quad Flat Package) with 44 pins. It has a 16 MHz clock speed and is surface-mountable. The package dimensions are 10x10 mm with a 1.0 mm lead pitch. Suitable for compact PCB designs, it offers reliable performance in embedded systems.
