Elec-component
ATMEGA2561V-8AU
ATMEGA2561V-8AU

 

ATMEGA2561V-8AU

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Description

BUY ATMEGA2561V-8AU https://www.utsource.net/itm/p/12610455.html

Parameter Description Value
Package Type Package style TQFP-44
Pin Count Number of pins 44
Operating Voltage (Vcc) Supply voltage range 1.8V to 5.5V
Clock Speed Maximum clock frequency 8 MHz
Flash Memory Program memory size 256 KB
EEPROM EEPROM size 4 KB
SRAM SRAM size 8 KB
I/O Lines Number of I/O lines 32
Analog Comparators Number of analog comparators 1
ADC Channels Number of ADC channels 8
ADC Resolution ADC resolution 10 bits
DAC Channels Number of DAC channels 0
Timers/Counters Number of timers/counters 3 (2 x 8-bit, 1 x 16-bit)
USARTs Number of USART interfaces 2
SPI SPI interface Yes
TWI TWI (I2C) interface Yes
PWM Channels Number of PWM channels 6
Temperature Range Operating temperature range -40°C to 85°C
Power Consumption Typical power consumption at 3.3V, 8 MHz 9 mA
Low Power Modes Available low power modes Idle, Power Save, Power Down, Standby, Extended Standby
Programming Interface Programming interface ISP, PDI
Package Dimensions Dimensions of the package (LxWxH) 14 mm x 14 mm x 1.4 mm

Instructions for Use

  1. Power Supply:

    • Ensure the supply voltage (Vcc) is within the specified range (1.8V to 5.5V).
    • Connect Vcc to the appropriate pin and GND to the ground pin.

  2. Clock Configuration:

    • The device can be configured to use an internal 8 MHz oscillator or an external clock source.
    • For external clock sources, connect the clock signal to the XTAL1 and XTAL2 pins.

  3. Programming:

    • Use an In-System Programmer (ISP) or a Program and Debug Interface (PDI) to program the device.
    • Follow the programming guidelines provided in the datasheet for specific commands and protocols.

  4. I/O Configuration:

    • Configure the I/O pins as inputs or outputs using the appropriate registers (DDRx, PORTx, PINx).
    • Use pull-up resistors if necessary for input pins.

  5. Peripheral Setup:

    • Initialize and configure peripherals such as ADC, UART, SPI, and I2C according to the application requirements.
    • Refer to the datasheet for register settings and initialization routines.

  6. Low Power Modes:

    • Enter low power modes by setting the appropriate bits in the MCUCR and SMCR registers.
    • Use sleep modes to reduce power consumption during idle periods.

  7. Interrupt Handling:

    • Enable and configure interrupts for various events (e.g., timer overflow, external interrupts).
    • Write interrupt service routines (ISRs) to handle the events.

  8. Reset and Watchdog Timer:

    • Configure the watchdog timer for system reliability.
    • Use the reset pin to reset the device if necessary.

  9. Environmental Considerations:

    • Ensure the operating temperature is within the specified range (-40°C to 85°C).
    • Protect the device from excessive humidity and static electricity.

For detailed information and specific register settings, refer to the ATMEGA2561V-8AU datasheet.

(For reference only)

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