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Home > Embedded ICs > 8bit MCU > ATMEGA88A-AU
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ATMEGA88A-AU

ATMEGA88A-AU

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ATMEGA88A-AU Overview

AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 8KB (4K x 16) FLASH 32-TQFP (7x7)

ECAD Model

Symbol

ATMEGA88A-AU

Footprint

ATMEGA88A-AU

Features

High Performance, Low Power Atmel AVR 8-Bit Microcontroller

Advanced RISC Architecture

131 Powerful InstructionsMost Single Clock Cycle Execution

32 x 8 General Purpose Working Registers

Fully Static Operation

Up to 20 MIPS Throughput at 20MHz

On-chip 2-cycle Multiplier

High Endurance Non-volatile Memory Segments

4/8/16/32KBytes of In-System Self-Programmable Flash program memory

256/512/512/1KBytes EEPROM

512/1K/1K/2KBytes Internal SRAM

Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

Data retention: 20 years at 85C/100 years at 25C(1)

Optional Boot Code Section with Independent Lock Bits

In-System Programming by On-chip Boot Program

True Read-While-Write Operation

Programming Lock for Software Security

Atmel QTouchlibrary support

Capacitive touch buttons, sliders and wheels

QTouch and QMatrix acquisition

Up to 64 sense channels

Peripheral Features

Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode

One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode

Real Time Counter withSeparate Oscillator

Six PWM Channels

8-channel 10-bit ADC in TQFP and QFN/MLF package Temperature Measurement

6-channel 10-bit ADC in PDIP Package Temperature Measurement

Programmable Serial USART

Master/Slave SPI Serial Interface

Byte-oriented 2-wire Serial Interface (Philips I2C compatible)

Programmable Watchdog Timer with Separate On-chip Oscillator

On-chip Analog Comparator

Interrupt and Wake-up on Pin Change

Special Microcontroller Features

Power-on Reset and Programmable Brown-out Detection

Internal Calibrated Oscillator

External and Internal Interrupt Sources

Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

I/O and Packages

23 Programmable I/O Lines

28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF

Operating Voltage:

1.8 - 5.5V

Temperature Range:

-40C to 85C

Speed Grade:

0 -

[emailprotected]

- 5.5V, 0 -

[emailprotected]

- 5.5.V, 0 - 20MHz @ 4.5 - 5.5V

Power Consumption at 1MHz, 1.8V, 25C

Active Mode: 0.2mA

Power-down Mode: 0.1A

Power-save Mode: 0.75A(Including 32kHz RTC)

Applications

AVR? ATmega

Specifications

  • Core Processor AVR

  • DigiKey Programmable Verified

  • Speed 20MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 1K x 8

  • Number of I/O 23

  • Peripherals Brown-out Detect/Reset, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Product Status Active

  • Oscillator Type Internal

  • Supplier Device Package 32-TQFP (7x7)

  • EEPROM Size 512 x 8

  • Series AVR® ATmega

  • Package / Case 32-TQFP

  • Core Size 8-Bit

  • Mfr Microchip Technology

  • Connectivity I2C, SPI, UART/USART

  • Program Memory Size 8KB (4K x 16)

  • Data Converters A/D 8x10b

  • Package Tray

  • Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

  • Base Product Number ATMEGA88

Circuit Diagram

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