Microchip ATMEGA644P-20PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP
Technical Document
Specifications
Brand
MicrochipFamily Name
ATmega
Package Type
PDIP
Mounting Type
Through Hole
Pin Count
40
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
3
Number of UART Channels
2
Number of I2C Channels
1
Typical Operating Supply Voltage
2.7 → 5.5 V
Number of CAN Channels
0
Number of USART Channels
2
Number of Ethernet Channels
0
Number of PCI Channels
0
Instruction Set Architecture
RISC
Number of ADC Units
1
Maximum Operating Temperature
+85 °C
Length
52.57mm
ADCs
8 x 10 bit
Height
4.44mm
Number of LIN Channels
0
Width
13.97mm
Dimensions
52.57 x 13.97 x 4.44mm
Maximum Number of Ethernet Channels
0
Minimum Operating Temperature
-40 °C
Pulse Width Modulation
1 (6 Channel)
Program Memory Type
Flash
Product details
8-Bit PicoPower megaAVR Family Microcontrollers
This range of megaAVR microcontrollers feature picoPower technology — perfect for energy saving. They offer generous program and data memories with performance of up to 20 MIPS.
Features & Benefits of picoPower megaAVR microcontrollers
•On-chip Flash
•SRAM
•Internal EEPROM
•SPI
•TWI (I²C)
•USART, USB, CAN & LIN interfaces
•Watchdog timer
•Precision oscillator
•GPIO pins
•ADC
•DAC
•Built-in temperature sensor
•Internal voltage reference
•Brown-out detector
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€ 13.19
Each (Exc. Vat)
€ 15.56
Each (Including VAT)
1
€ 13.19
Each (Exc. Vat)
€ 15.56
Each (Including VAT)
1
Ideate. Create. Collaborate
JOIN FOR FREE
No hidden fees!
- Download and use our DesignSpark software for your PCB and 3D Mechanical designs
- View and contribute website content and forums
- Download 3D Models, Schematics and Footprints from more than a million products
Technical Document
Specifications
Brand
MicrochipFamily Name
ATmega
Package Type
PDIP
Mounting Type
Through Hole
Pin Count
40
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
3
Number of UART Channels
2
Number of I2C Channels
1
Typical Operating Supply Voltage
2.7 → 5.5 V
Number of CAN Channels
0
Number of USART Channels
2
Number of Ethernet Channels
0
Number of PCI Channels
0
Instruction Set Architecture
RISC
Number of ADC Units
1
Maximum Operating Temperature
+85 °C
Length
52.57mm
ADCs
8 x 10 bit
Height
4.44mm
Number of LIN Channels
0
Width
13.97mm
Dimensions
52.57 x 13.97 x 4.44mm
Maximum Number of Ethernet Channels
0
Minimum Operating Temperature
-40 °C
Pulse Width Modulation
1 (6 Channel)
Program Memory Type
Flash
Product details
8-Bit PicoPower megaAVR Family Microcontrollers
This range of megaAVR microcontrollers feature picoPower technology — perfect for energy saving. They offer generous program and data memories with performance of up to 20 MIPS.
Features & Benefits of picoPower megaAVR microcontrollers
•On-chip Flash
•SRAM
•Internal EEPROM
•SPI
•TWI (I²C)
•USART, USB, CAN & LIN interfaces
•Watchdog timer
•Precision oscillator
•GPIO pins
•ADC
•DAC
•Built-in temperature sensor
•Internal voltage reference
•Brown-out detector
Ideate. Create. Collaborate
JOIN FOR FREE
No hidden fees!
- Download and use our DesignSpark software for your PCB and 3D Mechanical designs
- View and contribute website content and forums
- Download 3D Models, Schematics and Footprints from more than a million products