Parameters |
Factory Lead Time |
1 Week |
Contact Plating |
Tin |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
44-VFQFN Exposed Pad |
Number of Pins |
44 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
Published |
2008 |
Series |
AVR® ATmega |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
Number of Terminations |
44 |
Subcategory |
Microcontrollers |
Technology |
CMOS |
Terminal Position |
QUAD |
Terminal Form |
NO LEAD |
Terminal Pitch |
0.5mm |
Frequency |
20MHz |
Base Part Number |
ATMEGA644A |
Qualification Status |
Not Qualified |
Supply Voltage-Max (Vsup) |
5.5V |
Power Supplies |
2/5V |
Supply Voltage-Min (Vsup) |
1.8V |
Interface |
I2C, SPI, UART, USART |
Memory Size |
64kB |
Oscillator Type |
Internal |
Number of I/O |
32 |
RAM Size |
4K x 8 |
Voltage - Supply (Vcc/Vdd) |
1.8V~5.5V |
uPs/uCs/Peripheral ICs Type |
MICROCONTROLLER, RISC |
Core Processor |
AVR |
Peripherals |
Brown-out Detect/Reset, POR, PWM, WDT |
Program Memory Type |
FLASH |
Core Size |
8-Bit |
Program Memory Size |
64KB 32K x 16 |
Connectivity |
I2C, SPI, UART/USART |
Supply Current-Max |
9mA |
Bit Size |
8 |
Data Converter |
A/D 8x10b |
Watchdog Timer |
Yes |
Has ADC |
YES |
DMA Channels |
NO |
Data Bus Width |
8b |
PWM Channels |
YES |
DAC Channels |
NO |
Number of Timers/Counters |
3 |
EEPROM Size |
2K x 8 |
On Chip Program ROM Width |
16 |
Boundary Scan |
YES |
Low Power Mode |
YES |
Format |
FIXED-POINT |
Integrated Cache |
NO |
RAM (words) |
4096 |
Number of Serial I/Os |
2 |
Number of External Interrupts |
3 |
On Chip Data RAM Width |
8 |
Height Seated (Max) |
1mm |
Length |
7mm |
RoHS Status |
ROHS3 Compliant |
ATMEGA644A-MUR Overview
For space savings, it is available in the 44-VFQFN Exposed Pad package. It is mounted using the way of Surface Mount. This item can be found in package Tape & Reel (TR). The device has a AVR core processor. When working, the temperature should be kept at -40°C~85°C TA. Memory type FLASH is used for program memory. The device has 32 I/Os. Other components that are comparable to it have the base part number ATMEGA644A. QUAD is the position of its terminals on the board. As far as terminations are concerned, there are 44 terminations present. AVR? ATmega is the series number of this electrical component. MICROCONTROLLER, RISC is this gadget's uPs/uC/peripheral IC. A total of 44 pins are used in its construction. The mounting of this device is carried out following the method of Surface Mount. Microcontrollers contains this component. The devices have a maximum memory size of 64kB that can be used to store programs and data. In this case, 9mA represents the maximum current supply. A 2/5V source of power is being used to run it. When working at a frequency of 20MHz it is able to achieve excellent efficiency. A total of 3 timers/counters have been set up. Normal operation requires a supply voltage (Vsup) that is higher than 1.8V. There is an oscillator type Internal used in this circuit.
ATMEGA644A-MUR Features
44-VFQFN Exposed Pad package
Mounting type of Surface Mount
Microcontrollers subcategory
ATMEGA644A-MUR Applications
There are a lot of Microchip Technology ATMEGA644A-MUR Microcontroller applications.
- Heart rate monitors
- Robots
- Set-top boxes
- Monitoring-temperature level, oil level, speed, distance, acceleration
- Microwave ovens
- Nintendo
- Tape drives
- Binding machines
- Measuring revolving objects
- Answering machines