Details

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BUY ATMEGA2560-16AU https://www.utsource.net/itm/p/11249143.html

Parameter	Description	Value
Device	Microcontroller	ATMEGA2560-16AU
Package	TQFP (Thin Quad Flat Package)	100-pin
Operating Voltage	Supply Voltage Range	2.7V to 5.5V
Clock Speed	Maximum Clock Frequency	16 MHz
Flash Memory	Program Memory Size	256 KB
EEPROM	Electrically Erasable Programmable Read-Only Memory Size	4 KB
SRAM	Static Random Access Memory Size	8 KB
I/O Pins	Number of I/O Pins	86
Analog-to-Digital Converter (ADC)	Number of ADC Channels, Resolution	16 channels, 10-bit
Digital-to-Analog Converter (DAC)	Number of DAC Channels, Resolution	0 channels
Timers/Counters	Number of 8-bit Timers/Counters	4
Timers/Counters	Number of 16-bit Timers/Counters	6
Serial Communication Interfaces (SCI)	Number of SCI (UART) Ports	4
SPI	Serial Peripheral Interface	1
TWI	Two-Wire Interface (I2C)	1
USB	Universal Serial Bus Support	No
Watchdog Timer	Watchdog Timer with Separate Oscillator	Yes
Brown-out Detection	Brown-out Detection (BOD)	Yes
Power Consumption	Active Mode at 3.3V, 1 MHz	3.5 mA
Power Consumption	Power-down Mode	0.2 μA
Operating Temperature	Operating Temperature Range	-40°C to 85°C
Programming Interface	In-System Programming (ISP), High-Voltage Serial Programming (HVSP), Parallel Programming	ISP, HVSP, Parallel

Instructions for Using ATMEGA2560-16AU

1. Power Supply:

   • Ensure the supply voltage is within the range of 2.7V to 5.5V.
   • Connect the VCC and GND pins to the appropriate power supply and ground.

2. Clock Configuration:

   • The device supports both internal and external clock sources. For external clock sources, connect the oscillator to the XTAL1 and XTAL2 pins.
   • For internal clock sources, configure the fuse bits to select the internal oscillator.

3. Program Memory:

   • Use an ISP programmer to upload code to the flash memory.
   • Ensure the programming interface (ISP, HVSP, or Parallel) is correctly configured.

4. I/O Configuration:

   • Configure the I/O pins as input or output using the DDRx registers.
   • Set the initial state of the pins using the PORTx registers.

5. Analog-to-Digital Conversion:

   • Initialize the ADC by setting the appropriate bits in the ADCSRA and ADMUX registers.
   • Start a conversion by writing to the ADCSRA register.

6. Timers/Counters:

   • Configure the timers/counters by setting the appropriate bits in the TCCRnA, TCCRnB, and TCCRnC registers.
   • Use the OCRnA, OCRnB, and OCRnC registers to set compare values.

7. Serial Communication:

   • Initialize the UART, SPI, or TWI interfaces by configuring the corresponding control and status registers.
   • Use the UDR, SPDR, or TWDR registers to send and receive data.

8. Interrupts:

   • Enable interrupts by setting the appropriate bits in the SREG and individual interrupt enable registers.
   • Write interrupt service routines (ISRs) to handle specific interrupts.

9. Watchdog Timer:

   • Enable the watchdog timer by setting the WDE bit in the WDTCSR register.
   • Reset the watchdog timer periodically to prevent a system reset.

10. Brown-out Detection:

    • Enable BOD by setting the appropriate fuse bits.
    • Configure the BOD level to match the desired threshold.

11. Power Management:

    • Use the sleep modes (idle, power-save, power-down, etc.) to reduce power consumption.
    • Wake up the device from sleep mode using external interrupts or the watchdog timer.

For detailed information and specific register settings, refer to the ATMEGA2560-16AU datasheet and application notes provided by Atmel.

(For reference only)