Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 64 kB Flash, 44-Pin TQFP

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8 967,20 kr

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11 208,96 kr

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  • Dessutom levereras 320 enhet(er) från den 08 december 2025
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160 +56,045 kr8 967,20 kr

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RS-artikelnummer:
177-3449
Tillv. art.nr:
ATMEGA644-20AU
Tillverkare / varumärke:
Microchip
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Brand

Microchip

Family Name

ATmega

Package Type

TQFP

Mounting Type

Surface Mount

Pin Count

44

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

20MHz

RAM Size

4 kB

USB Channels

0

Number of PWM Units

1

Number of SPI Channels

1

Number of CAN Channels

0

Number of UART Channels

1

Number of I2C Channels

1

Typical Operating Supply Voltage

5.5 (Maximum) V

Number of USART Channels

1

Dimensions

10.1 x 10.1 x 1.05mm

Number of Ethernet Channels

0

Height

1.05mm

Width

10.1mm

Number of LIN Channels

0

Pulse Width Modulation

1 (6 Channel)

Length

10.1mm

Instruction Set Architecture

RISC

ADCs

8 x 10 bit

Maximum Number of Ethernet Channels

0

Number of ADC Units

1

Number of PCI Channels

0

Minimum Operating Temperature

-40 °C

Maximum Operating Temperature

+85 °C

Program Memory Type

Flash

COO (Country of Origin):
TW

Microchip Technology Microcontroller


The Microchip Technology ATMEGA family type, TQFP package, surface mount, 44-pin CMOS-processor 8-bit microcontroller. It has a maximum voltage rating of 5.5V. The microcontroller operates at a maximum speed of 20MHz and features 64kb ISP flash program memory, 4kb of internal SRAM and 2kb of EEPROM. It has a real-time counter, PWM, 8-channel 10-bit A/D converter and a watchdog timer (WDT). By executing powerful instructions in a single clock cycle, it achieves throughputs approaching 1MIPS per MHz allowing the system to optimize power consumption versus processing speed.

Features and Benefits


• 131 powerful instructions - Most single-clock cycle execution
• 32 x 8 general-purpose working registers
• 32 programmable I/O lines
• External and internal interrupt sources
• Fully static operation
• On-chip 2-cycle multiplier
• Operating temperature ranges between -40°C and 85°C
• Power-on reset and programmable brown-out detection
• Six PWM channels
• Six sleep modes- Idle, ADC noise reduction, power-save, power-down, standby and extended standby
• Three USART with fractional baud rate generator, auto baud, and start-of-frame detection
• Write/Erase cycles- 10,000 flash/100,000 EEPROM

Applications


• Embedded systems
• LCD monitors and TVs
• Mobile PC docking
• PC motherboards
• Portable hub boxes
• Printers and scanners

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