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ATMEGA88-20AU

Name: ATMEGA88-20AU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 8KB FLASH 32TQFP

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製造商。部分 #ATMEGA88-20AU
包 QFP32
資料表 ATMEGA88-20AU DataSheet
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規格

Package	Bulk
Series	AVR® ATmega
ProductStatus	Active
CoreProcessor	AVR
CoreSize	8-Bit
Speed	20MHz
Connectivity	I²C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O	23
ProgramMemorySize	8KB (4K x 16)
ProgramMemoryType	FLASH
EEPROMSize	512 x 8
RAMSize	1K 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	32-TQFP

概述

Description

The ATmega88-20AU is an 8-bit microcontroller from the ATmega series by Microchip Technology (formerly Atmel). It features a low-power CMOS architecture and is built on a 20-pin QFN package. The microcontroller operates at a maximum clock speed of 20 MHz and has 8 KB of flash memory for program storage, 1 KB of SRAM, and 512 bytes of EEPROM.
It includes a 10-bit ADC with 8 channels, several timers, and PWM functionalities, making it suitable for a range of applications, including embedded systems, robotics, and sensor interfacing. The ATmega88 also supports various communication protocols like UART, SPI, and I2C, enhancing its connectivity capabilities.
Power consumption is a key advantage, with multiple sleep modes that allow for battery-powered applications. The device is programmable in C, Assembly, or through high-level languages with support from the Arduino environment. Overall, the ATmega88-20AU is a versatile microcontroller ideal for hobbyists and professionals alike.

Features

The ATmega88-20AU is an 8-bit microcontroller from the AVR family, featuring the following key specifications:
- Flash Memory: 8 KB for program storage.
- SRAM: 1 KB for data storage.
- EEPROM: 512 bytes for non-volatile data storage.
- Clock Speed: Operates at up to 20 MHz.
- I/O Pins: 23 general-purpose I/O pins.
- ADC: 10-bit Analog-to-Digital Converter with up to 8 channels.
- Timers: 3 timers (2 with PWM capability) for timing operations.
- Serial Communication: Supports USART for serial communication.
- SPI/I2C: Full support for SPI and I2C protocols for peripheral interfacing.
- Low Power Modes: Multiple sleep modes for energy efficiency.
- Operating Voltage: 1.8V to 5.5V.
The ATmega88-20AU is suitable for a variety of applications, including embedded systems, automation, and robotics, offering flexibility and performance for developers.

Package

The ATmega88-20AU is packaged in a 32-pin TQFP (Thin Quad Flat Package) format. This surface-mount package allows for a compact design and is suitable for various applications requiring a microcontroller with multiple I/O pins.

Pinout

The ATmega88-20AU is an 8-bit AVR microcontroller from Microchip Technology. It has a total of 28 pins. The key functions of these pins include:
- Power Supply: VCC (power) and GND (ground).
- I/O Ports: 23 general-purpose I/O pins divided into several ports (PORTA, PORTB, PORTC) for digital input/output.
- Analog Input: 6 pins (ADC0 to ADC5) that can be used as 10-bit ADC inputs.
- Communication Interfaces:
- 1 USART (Universal Synchronous and Asynchronous serial Receiver and Transmitter)
- SPI (Serial Peripheral Interface)
- I2C (TWI - Two Wire Interface)
- Timers/Counters: 3 timer/counter units for various timing operations.
- External Interrupts: Interrupts on certain pins for responsive applications.
- Reset Pin: Reset functionality to restart the microcontroller.
This microcontroller is widely used in embedded systems due to its versatility and low power consumption.

Manufacturer

The ATmega88-20AU is manufactured by Microchip Technology Inc., a leading American semiconductor company. Founded in 1989, Microchip specializes in microcontroller and analog semiconductor products. The company is known for its wide range of microcontrollers, notably the PIC and AVR families, which are widely used in embedded systems and various electronic applications. Microchip provides solutions for a variety of markets, including automotive, industrial, consumer, and communications. Its focus on innovation and customer support has established it as a prominent player in the semiconductor industry.

Application

The ATmega88-20AU is commonly used in various applications, including embedded systems, robotics, sensor interfacing, and control systems. Its features make it suitable for consumer electronics, automotive applications, home automation, and IoT devices. Additionally, it is often employed in educational projects and prototyping due to its ease of use and availability.

Equivalent

Equivalent products to the ATmega88-20AU include the ATmega88PA, ATmega168, ATmega328, and ATtiny85. These chips share similar features such as AVR architecture, pin compatibility, and comparable memory sizes, though they may differ in specific functionalities and performance characteristics. Always check the datasheets for precise specifications and compatibility.