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ATMEGA644PA-AU
IC MCU 8BIT 64KB FLASH 44TQFP
Mfr. Part Number
ATMEGA644PA-AU
Manufacturer
Atmel (Microchip Technology)
Datasheet
Description
IC MCU 8BIT 64KB FLASH 44TQFP
RoHS Status
Lead Free / RoHS Complaint
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ATMEGA644PA-AU
Atmel (Microchip Technology)
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ATMEGA644PA-AU
Atmel (Microchip Technology)
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Specifications
Product Description
Purchase & Inquiry
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
32
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
EEPROM Size
2K x 8
RAM Size
4K x 8
Voltage - Supply (Vcc/Vdd)
1.8V ~ 5.5V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
44-TQFP
Supplier Device Package
44-TQFP (10x10)
Brand Introduction

Atmel was acquired by Microchip in April 2016. Atmel Corporation is an industry leader in the design and manufacture of advanced semiconductors, with focus on microcontrollers, nonvolatile memory, logic, radio frequency (RF) components and sensors. These functions are marketed as standard products, application-specific standard products (ASSPs) or customer-specific products (ASICs) in order to provide a rapid and flexible response to the needs of Atmel’s customers.

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