ATMEGA64A-AU Microchip 8bit MCU

ATMEGA64A-AU Overview

AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 64KB (32K x 16) FLASH 64-TQFP (14x14)

ECAD Model

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Footprint

Features

High-performance, Low-power Atmel AVR 8-bit Microcontroller

Advanced RISC Architecture

130 Powerful Instructions - Most Single-clock Cycle Execution

328 General Purpose Working Registers + Peripheral Control

Registers

Fully Static Operation

Up to 16MIPS Throughput at 16MHz

On-chip 2-cycle Multiplier

High Endurance Non-volatile Memory segments

64Kbytes of In-System Self-programmable Flash program

memory

2Kbytes EEPROM

4Kbytes 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

Up to 64 Kbytes Optional External Memory Space

Programming Lock for Software Security

SPI Interface for In-System Programming

JTAG (IEEE std. 1149.1 Compliant) Interface

Boundary-scan Capabilities According to the JTAG Standard

Extensive On-chip Debug Support

Programming of Flash, EEPROM, Fuses and Lock Bits

through the JTAG Interface

Atmel QTouch library support

Capacitive touch buttons, sliders and wheels

Atmel QTouch and QMatrix acquisition

Up to 64 sense channels

Peripheral Features

Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes

Two Expanded 16-bit Timer/Counters

with Separate Prescaler, Compare Mode and Capture

Mode

Real Time Counter with Separate Oscillator

Two 8-bit PWM Channels

6 PWM Channels with Programmable Resolution from 1 to 16 Bits

Output Compare Modulator

8-channel, 10-bit ADC

8 Single-ended Channels

7 Differential Channels

2 Differential Channels with Programmable Gain at 1x, 10x, or 200x

Byte-oriented Two-wire Serial Interface

Dual Programmable Serial USARTs

Master/Slave SPI Serial Interface

Programmable Watchdog Timer with On-chip Oscillator

On-chip Analog Comparator

Special Microcontroller Features

Power-on Reset and Programmable Brown-out Detection

Internal Calibrated RC Oscillator

External and Internal Interrupt Sources

Six Sleep Modes: Idle, ADC Noise Reduction,

Power-save, Power-down, Standby, and

Extended Standby

Software Selectable Clock Frequency

ATmega103 Compatibility Mode Selected by a Fuse

Global Pull-up Disable

I/O and Packages

53 Programmable I/O Lines

64-lead TQFP and 64-pad QFN/MLF

Operating Voltages

2.7 - 5.5V

Speed Grades

0 - 16MHz

Applications

AVR? ATmega

Specifications

Core Processor AVR
DigiKey Programmable Verified
Speed 16MHz
Operating Temperature -40℃ ~ 85℃ (TA)
Program Memory Type FLASH
RAM Size 4K x 8
Number of I/O 53
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Mounting Type Surface Mount
Product Status Active
Oscillator Type Internal
Supplier Device Package 64-TQFP (14x14)
EEPROM Size 2K x 8
Series AVR® ATmega
Package / Case 64-TQFP
Core Size 8-Bit
Mfr Microchip Technology
Connectivity I2C, SPI, UART/USART
Program Memory Size 64KB (32K x 16)
Data Converters A/D 8x10b
Package Tray
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Base Product Number ATMEGA64

ATMEGA64A-AU

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ATMEGA64A-AU Overview

ECAD Model

Features

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Specifications

Circuit Diagram

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