Microchip ATMEGA644PA-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 2 kB, 64 kB Flash, 40-Pin PDIP
- RS Stock No.:
- 719-3972
- Mfr. Part No.:
- ATMEGA644PA-PU
- Manufacturer:
- Microchip
Discontinued product
Alternative
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- RS Stock No.:
- 719-3972
- Mfr. Part No.:
- ATMEGA644PA-PU
- Manufacturer:
- Microchip
Legislation and Compliance
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
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
Specifications
Attribute | Value |
|---|---|
| Family Name | ATmega |
| Package Type | PDIP |
| Mounting Type | Through Hole |
| Pin Count | 40 |
| Device Core | AVR |
| Data Bus Width | 8bit |
| Program Memory Size | 2 kB, 64 kB |
| Maximum Frequency | 20MHz |
| RAM Size | 4 kB |
| USB Channels | 0 |
| Number of PWM Units | 3 |
| Number of SPI Channels | 1 |
| Typical Operating Supply Voltage | 1.8 to 5.5 V |
| Number of UART Channels | 0 |
| Number of I2C Channels | 1 |
| Number of USART Channels | 2 |
| Number of CAN Channels | 0 |
| Instruction Set Architecture | RISC |
| Number of ADC Units | 1 |
| Maximum Operating Temperature | +85 °C |
| ADCs | 8 x 10 bit |
| Width | 13.97mm |
| Pulse Width Modulation | 2(6 x 8 bit), 6 x 16 bit |
| Length | 52.58mm |
| Minimum Operating Temperature | -40 °C |
| Maximum Number of Ethernet Channels | 0 |
| Number of PCI Channels | 0 |
| Number of Ethernet Channels | 0 |
| Program Memory Type | Flash |
| Dimensions | 52.578 x 13.97 x 4.445mm |
| Height | 4.445mm |
| Number of LIN Channels | 0 |