- RS Stock No.:
- 131-0325P
- Mfr. Part No.:
- ATMEGA644PA-PU
- Brand:
- Microchip
- RS Stock No.:
- 131-0325P
- Mfr. Part No.:
- ATMEGA644PA-PU
- Brand:
- Microchip
Technical Reference
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 | 64 kB |
Maximum Frequency | 20MHz |
RAM Size | 4 kB |
USB Channels | 0 |
Number of PWM Units | 1 |
Number of SPI Channels | 3 |
Number of CAN Channels | 0 |
Number of UART Channels | 2 |
Number of USART Channels | 2 |
Number of I2C Channels | 1 |
Typical Operating Supply Voltage | 1.8 → 5.5 V |
Maximum Operating Temperature | +85 °C |
Minimum Operating Temperature | -40 °C |
Pulse Width Modulation | 1 (6 Channel) |
Program Memory Type | Flash |
Length | 52.57mm |
ADCs | 8 x 10 bit |
Dimensions | 52.57 x 13.97 x 4.44mm |
Height | 4.44mm |
Number of LIN Channels | 0 |
Width | 13.97mm |
Number of PCI Channels | 0 |
Maximum Number of Ethernet Channels | 0 |
Number of Ethernet Channels | 0 |
Number of ADC Units | 1 |
Instruction Set Architecture | RISC |